/* ============================================
   PathEdge - Complete SPA Styles
   ============================================ */

/* ===== CSS RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Sora', sans-serif; -webkit-tap-highlight-color: transparent; }

/* ===== DARK THEME (Default) ===== */
:root {
  --bg: #070b1c;
  --bg2: #091227;
  --card: #11192f;
  --card-light: #1b2648;
  --accent: #5b6cff;
  --accent2: #7f8cff;
  --green: #35d4a3;
  --amber: #ffb534;
  --red: #ff7c7c;
  --txt: #fff;
  --txt2: #d6dcf5;
  --txt3: #98a3d4;
  --txt4: #6f7a9e;
  --border: rgba(255,255,255,.06);
  --pill-bg: #1a2750;
  --shadow: rgba(0,0,0,.4);
  --heatmap-low: #0e4429;
  --heatmap-mid: #006d32;
  --heatmap-high: #26a641;
  --heatmap-max: #39d353;
  --success: #35d4a3;
  --error: #ff7c7c;
}

/* ===== LIGHT THEME ===== */
.light-theme {
  --bg: #f5f7fa;
  --bg2: #eef1f6;
  --card: #ffffff;
  --card-light: #f0f2f7;
  --accent: #4f5de6;
  --accent2: #5b6cff;
  --green: #2db88d;
  --amber: #e89a2a;
  --red: #e85d5d;
  --txt: #0f172a;
  --txt2: #334155;
  --txt3: #64748b;
  --txt4: #94a3b8;
  --border: rgba(0,0,0,.08);
  --pill-bg: #e2e8f0;
  --shadow: rgba(0,0,0,.08);
  --heatmap-low: #ebedf0;
  --heatmap-mid: #9be9a8;
  --heatmap-high: #40c463;
  --heatmap-max: #30a14e;
}

body {
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  margin: 0;
  transition: background .3s, color .3s;
  overflow: hidden;
}

/* ============================================
   SPLASH SCREEN
   ============================================ */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: splashFade 2.5s ease-in-out forwards;
  animation-delay: 1s;
  scrollbar-width: none;      /* Firefox */
  -ms-overflow-style: none;   /* IE/Edge */
}
.splash-screen::-webkit-scrollbar {
    display: none;              /* Chrome/Safari */
}
.splash-logo-box {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  animation: splashPop 0.6s cubic-bezier(.22,1,.36,1) forwards;
  box-shadow: 0 8px 32px rgba(91,108,255,.3);
}

.splash-logo-box svg { width: 42px; height: 42px; }

.splash-brand {
  margin-top: 20px;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--txt);
  animation: splashFadeIn 0.5s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.splash-tagline {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--txt3);
  animation: splashFadeIn 0.5s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

@keyframes splashPop {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes splashFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes splashFade {
  0% { opacity: 1; }
  60% { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}

/* ============================================
   AUTH SCREEN (Login / Signup)
   ============================================ */
.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 20px;
}
.auth-screen {
    overflow-y: auto;
    scrollbar-width: none;      /* Firefox */
    -ms-overflow-style: none;   /* IE/Edge */
}

.auth-screen::-webkit-scrollbar {
    display: none;              /* Chrome/Safari */
}
.auth-container {
  width: 100%;
  max-width: 400px;
  animation: authSlideIn 0.5s cubic-bezier(.22,1,.36,1);
}

@keyframes authSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 32px;
}

.auth-logo-box {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(91,108,255,.25);
}

.auth-logo-box svg { width: 28px; height: 28px; }

.auth-brand { margin-top: 14px; font-size: 1.3rem; font-weight: 700; color: var(--txt); }
.auth-sub { margin-top: 4px; font-size: 0.85rem; color: var(--txt3); }

.auth-form { width: 100%; }

.auth-title { font-size: 1.4rem; font-weight: 700; color: var(--txt); text-align: center; }
.auth-subtitle { font-size: 0.85rem; color: var(--txt3); text-align: center; margin: 6px 0 24px; }

.auth-input-wrap {
  position: relative;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
}

.auth-input-wrap > svg:first-child {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--txt4);
  z-index: 2;
}

.auth-input-wrap input {
  width: 100%;
  padding: 13px 44px 13px 44px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: 0.88rem;
  font-family: 'Sora', sans-serif;
  outline: none;
  transition: border-color .2s, background .3s;
}

.auth-input-wrap input:focus { border-color: var(--accent); }
.auth-input-wrap input::placeholder { color: var(--txt4); }

.auth-toggle-pw {
  position: absolute;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--txt4);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 2;
}

.auth-toggle-pw svg { width: 16px; height: 16px; }

.auth-btn-primary {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: 14px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  margin-top: 6px;
  transition: transform .15s, opacity .2s;
  box-shadow: 0 4px 16px rgba(91,108,255,.25);
}

.auth-btn-primary:active { transform: scale(0.98); opacity: 0.9; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--txt4);
  font-size: 0.78rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-btn-google {
  width: 100%;
  padding: 13px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background .2s, transform .15s;
}

.auth-btn-google:active { transform: scale(0.98); }
.auth-btn-google svg { width: 18px; height: 18px; }

.auth-btn-guest {
  width: 100%;
  padding: 13px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt3);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
  transition: all .2s;
}

.auth-btn-guest:active { transform: scale(0.98); background: var(--card); }
.auth-btn-guest svg { width: 16px; height: 16px; color: var(--txt4); }

.auth-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--txt3);
}

.auth-switch a {
  color: var(--accent2);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

/* ============================================
   APP WRAPPER
   ============================================ */
.app-wrap {
  width: 100%;
  height: 100dvh;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (min-width: 440px) {
  body { display: block; padding: 0; background: var(--bg); }
  .app-wrap { max-width: none; border-radius: 0; border: none; box-shadow: none; max-height: none; }
}

/* ===== TOP BAR ===== */
.topbar {
  height: 64px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; }

.logo-box {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
}

.logo-box svg { width: 20px; height: 20px; }

.brand h1 { font-size: 1.1rem; font-weight: 700; }

.bell-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  transition: background .3s, border-color .3s;
}

.bell-btn svg { width: 18px; height: 18px; color: var(--txt2); }

.bell-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--card);
  transition: border-color .3s;
}

/* ===== MAIN CONTENT ===== */
.main {
  flex: 1;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 16px 20px;
  scrollbar-width: none;
}

.main::-webkit-scrollbar { display: none; }

/* ===== SECTION LABEL ===== */
.sec-label {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--txt4);
  margin: 20px 0 10px;
}

/* ===== CARDS ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  transition: background .3s, border-color .3s;
}

/* ===== HOME SCREEN ===== */
.greet { margin-bottom: 16px; }
.greet-sub { font-size: .85rem; color: var(--txt3); }
.greet-name { font-size: 1.5rem; font-weight: 700; margin-top: 2px; }
.greet-name span { color: var(--accent2); }

/* ===== FIRE ANIMATION ===== */
.streak-banner {
  background: linear-gradient(135deg, #1a1040 0%, var(--card) 100%);
  border: 1px solid rgba(255,191,64,.15);
  border-radius: 18px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
}
.fire-wrap.level-0 .fire-svg-frozen {
  display: block;
}
.fire-wrap:not(.level-0) .fire-svg-frozen {
  display: none;
}
.fire-wrap:not(.level-0) .fire-svg-hot {
  display: block;
}

/* Level 1: Beginner Fire */
.fire-wrap.level-1 .fire-svg-hot {
  filter: drop-shadow(0 0 4px rgba(237, 137, 54, 0.4));
}

/* Level 2: Strong Fire */
.fire-wrap.level-2 .fire-svg-hot {
  filter: drop-shadow(0 0 8px rgba(221, 107, 32, 0.5));
}

/* Level Max: Intense Fire (Streak 7+) */
.fire-wrap.level-max .fire-svg-hot {
  filter: drop-shadow(0 0 12px rgba(229, 62, 62, 0.6));
}

.fire-particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  background: radial-gradient(circle, #ffcc00, #ff6600, transparent);
}

.fire-wrap.level-0 .fire-particle { display: none; }

.fire-wrap.level-1 .fire-particle:nth-child(2) { width: 5px; height: 5px; bottom: 16px; left: 10px; animation: particleUp 1.2s ease-out infinite; }
.fire-wrap.level-1 .fire-particle:nth-child(3) { width: 3px; height: 3px; bottom: 20px; left: 20px; animation: particleUp 1.0s ease-out infinite 0.3s; }
.fire-wrap.level-1 .fire-particle:nth-child(n+4) { display: none; }

.fire-wrap.level-2 .fire-particle:nth-child(2) { width: 6px; height: 6px; bottom: 20px; left: 8px; animation: particleUp 1.0s ease-out infinite; }
.fire-wrap.level-2 .fire-particle:nth-child(3) { width: 4px; height: 4px; bottom: 24px; left: 22px; animation: particleUp 0.8s ease-out infinite 0.2s; }
.fire-wrap.level-2 .fire-particle:nth-child(4) { width: 5px; height: 5px; bottom: 18px; left: 14px; animation: particleUp 1.2s ease-out infinite 0.5s; }
.fire-wrap.level-2 .fire-particle:nth-child(n+5) { display: none; }

.fire-wrap.level-max .fire-particle:nth-child(2) { width: 6px; height: 6px; bottom: 20px; left: 6px; animation: particleUp 0.8s ease-out infinite; }
.fire-wrap.level-max .fire-particle:nth-child(3) { width: 4px; height: 4px; bottom: 24px; left: 24px; animation: particleUp 0.7s ease-out infinite 0.1s; }
.fire-wrap.level-max .fire-particle:nth-child(4) { width: 5px; height: 5px; bottom: 18px; left: 14px; animation: particleUp 0.9s ease-out infinite 0.3s; }
.fire-wrap.level-max .fire-particle:nth-child(5) { width: 4px; height: 4px; bottom: 26px; left: 10px; animation: particleUp 0.7s ease-out infinite 0.2s; }
.fire-wrap.level-max .fire-particle:nth-child(6) { width: 5px; height: 5px; bottom: 22px; left: 20px; animation: particleUp 0.8s ease-out infinite 0.4s; }

/* Hover effect: Chingari (sparks) */
.fire-wrap:hover:not(.level-0) .fire-svg-hot {
  filter: brightness(1.2);
  transform: translateX(-50%) scale(1.1);
}
.fire-wrap:hover:not(.level-0) .fire-particle {
  animation-duration: 0.5s !important;
  background: radial-gradient(circle, #fff, #ffcc00, transparent);
  box-shadow: 0 0 6px #fff;
}

@keyframes fireFlicker {
  0% { transform: scale(1) skewX(0deg); }
  25% { transform: scale(1.05) skewX(-2deg); }
  50% { transform: scale(0.98) skewX(1deg); }
  75% { transform: scale(1.03) skewX(-1deg); }
  100% { transform: scale(1.01) skewX(0deg); }
}

@keyframes fireGlow {
  0% { transform: translateX(-50%) scale(1); opacity: 0.6; }
  100% { transform: translateX(-50%) scale(1.2); opacity: 0.4; }
}

@keyframes particleUp {
  0% { transform: translateY(0) scale(1); opacity: 0.8; }
  50% { opacity: 0.6; }
  100% { transform: translateY(-20px) scale(0.2); opacity: 0; }
}

.streak-info { flex: 1; }
.streak-num { font-size: 1.4rem; font-weight: 700; color: var(--amber); }
.streak-label { font-size: .75rem; color: var(--txt3); }
.streak-bar-wrap { flex: 1; }

/* Goal info chip (streak progress label) */
.goal-info-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 5px;
  padding: 3px 8px 3px 5px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.18);
  border-radius: 99px;
  width: fit-content;
  transition: background .2s, border-color .2s;
}
.streak-bar-wrap:hover .goal-info-chip {
  background: rgba(245,158,11,0.18);
  border-color: rgba(245,158,11,0.3);
}
.goal-chip-text {
  font-size: 0.68rem;
  color: var(--txt2);
  font-weight: 500;
}
.goal-chip-text strong {
  color: var(--amber);
  font-weight: 700;
}
.goal-chip-pct {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--amber);
  background: rgba(245,158,11,0.15);
  padding: 1px 5px;
  border-radius: 99px;
  border: 1px solid rgba(245,158,11,0.2);
}
.light-theme .goal-info-chip {
  background: rgba(217,119,6,0.08);
  border-color: rgba(217,119,6,0.2);
}
.streak-bar {
  height: 5px;
  background: rgba(0,0,0,.3);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 4px;
}

.light-theme .streak-bar { background: rgba(15,23,42,.12); }

.streak-fill {
  height: 100%;
  width: 60%;
  background: linear-gradient(90deg, var(--amber), #f59e0b);
  border-radius: 99px;
  animation: streakGlow 2s ease-in-out infinite;
}

@keyframes streakGlow {
  0%,100% { box-shadow: 0 0 0 0 rgba(255,181,52,.3); }
  50% { box-shadow: 0 0 8px 2px rgba(255,181,52,.15); }
}

/* ===== LIVE BANNER ===== */
.live-banner {
  background: linear-gradient(135deg, rgba(255,124,124,.12), rgba(239,68,68,.06));
  border: 1px solid rgba(255,124,124,.2);
  border-radius: 16px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  cursor: pointer;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}

.live-txt { flex: 1; font-size: .85rem; font-weight: 600; }
.live-time { font-size: .75rem; color: var(--red); font-weight: 600; }

/* ===== QUICK GRID ===== */
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.q-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  cursor: pointer;
  transition: transform .15s, background .3s, border-color .3s;
}

.q-card:active { transform: scale(.97); }

.q-card.accent {
  background: linear-gradient(135deg, rgba(91,108,255,.15), rgba(127,140,255,.08));
  border-color: rgba(91,108,255,.25);
}

.q-icon { margin-bottom: 8px; }
.q-icon svg { width: 22px; height: 22px; color: var(--accent2); }
.q-title { font-size: .82rem; font-weight: 600; }
.q-sub { font-size: .72rem; color: var(--txt3); margin-top: 2px; }

/* ===== RECENT LIST ===== */
.recent-list { display: flex; flex-direction: column; gap: 8px; }

.recent-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: background .3s, border-color .3s;
}

.ri-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(91,108,255,.12);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.ri-icon svg { width: 18px; height: 18px; color: var(--accent2); }
.ri-text { flex: 1; min-width: 0; }
.ri-title { font-size: .8rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ri-sub { font-size: .7rem; color: var(--txt3); margin-top: 2px; }
.ri-prog { font-size: .8rem; color: var(--accent2); font-weight: 600; flex-shrink: 0; }

/* ===== PRACTICE SCREEN ===== */
.stat-row { display: flex; gap: 10px; margin-bottom: 16px; }

.stat-card {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 10px;
  text-align: center;
  transition: background .3s, border-color .3s;
}

.stat-val { font-size: 1.3rem; font-weight: 700; }
.stat-val.indigo { color: var(--accent2); }
.stat-val.green { color: var(--green); }
.stat-val.amber { color: var(--amber); }
.stat-lbl { font-size: .68rem; color: var(--txt3); margin-top: 3px; }

.sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.sub-card {
  border-radius: 16px;
  padding: 16px;
  cursor: pointer;
  transition: transform .15s;
}

.sub-card:active { transform: scale(.97); }

.sub-icon { margin-bottom: 10px; }
.sub-icon svg { width: 22px; height: 22px; }
.sub-name { font-size: .85rem; font-weight: 700; }
.sub-count { font-size: .72rem; color: var(--txt3); margin-top: 2px; }
.sub-bar {
  margin-top: 10px;
  height: 4px;
  background: rgba(255,255,255,.08);
  border-radius: 99px;
  overflow: hidden;
}

.light-theme .sub-bar { background: rgba(0,0,0,.06); }

.sub-fill { height: 100%; border-radius: 99px; }

/* ===== TESTS SCREEN ===== */
.test-live {
  background: linear-gradient(135deg, rgba(255,124,124,.1), rgba(239,68,68,.05));
  border: 1px solid rgba(255,124,124,.2);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
}

.test-live-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.test-live-title { flex: 1; font-size: .85rem; font-weight: 700; }

.test-badge {
  font-size: .65rem;
  background: rgba(255,124,124,.15);
  color: var(--red);
  padding: 3px 8px;
  border-radius: 99px;
  font-weight: 600;
}

.test-info { font-size: .75rem; color: var(--txt3); margin-bottom: 12px; }

.test-btn {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
}

/* ===== RANKS SCREEN ===== */
.podium {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 14px;
  margin: 20px 0 24px;
}

.podium-spot { display: flex; flex-direction: column; align-items: center; gap: 6px; }

.podium-av {
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
}

.podium-spot:nth-child(1) .podium-av { width: 48px; height: 48px; font-size: 16px; }
.podium-spot:nth-child(2) .podium-av { width: 58px; height: 58px; font-size: 20px; }
.podium-spot:nth-child(3) .podium-av { width: 48px; height: 48px; font-size: 16px; background: linear-gradient(135deg, #7c3aed, #a78bfa); }

.podium-medal { font-size: 20px; font-weight: 800; }
.podium-medal.gold { color: #ffd700; }
.podium-medal.silver { color: #c0c0c0; }
.podium-medal.bronze { color: #cd7f32; }
.podium-name { font-size: .75rem; font-weight: 600; }
.podium-xp { font-size: .68rem; color: var(--txt3); }

.rank-list { display: flex; flex-direction: column; gap: 6px; }

.rank-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background .3s, border-color .3s;
}

.rank-num { font-size: .85rem; font-weight: 700; color: var(--txt4); width: 22px; text-align: center; }

.rank-av-sm {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
}

.rank-av-sm img { width: 100%; height: 100%; object-fit: cover; }
.rank-info { flex: 1; display: flex; align-items: center; justify-content: space-between; }
.rank-name { font-size: .82rem; font-weight: 600; }
.rank-xp { font-size: .75rem; color: var(--amber); font-weight: 600; }
.rank-row.me { border-color: rgba(91,108,255,.3); background: rgba(91,108,255,.06); }
.rank-row.me .rank-num { color: var(--accent2); }

/* ===== PROFILE SCREEN ===== */
.profile-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 18px;
}

.profile-av {
  width: 80px;
  height: 80px;
  border-radius: 26px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .15s;
}

.profile-av:active { transform: scale(.95); }
.profile-av img { width: 100%; height: 100%; object-fit: cover; }

.profile-av-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity .2s;
}

.profile-av:hover .profile-av-overlay,
.profile-av:active .profile-av-overlay { opacity: 1; }

.profile-av-overlay svg { width: 24px; height: 24px; color: #fff; }
.profile-name { font-size: 1.2rem; font-weight: 700; }

.profile-course {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--txt3);
}

.profile-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent2); }

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.p-stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 8px;
  text-align: center;
  transition: background .3s, border-color .3s;
}

.p-stat-val { font-size: 1.3rem; font-weight: 700; }
.p-stat-val.indigo { color: var(--accent2); }
.p-stat-val.green { color: var(--green); }
.p-stat-val.amber { color: var(--amber); }
.p-stat-lbl { font-size: .68rem; color: var(--txt3); margin-top: 3px; }

.menu-list { display: flex; flex-direction: column; gap: 8px; padding-bottom: 20px; }

.menu-item {
  height: 54px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  cursor: pointer;
  transition: .15s, background .3s, border-color .3s;
}

.menu-item:active { transform: scale(.985); }

.menu-left { display: flex; align-items: center; gap: 12px; }
.menu-left svg { width: 18px; height: 18px; color: var(--accent2); }
.menu-left span { font-size: .85rem; font-weight: 500; }
.menu-arrow { color: var(--txt4); }

.menu-item.logout .menu-left svg,
.menu-item.logout .menu-left span { color: var(--red); }

/* ===== SETTINGS ===== */
.settings-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-top: 4px;
}

.back-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background .3s, border-color .3s;
}

.back-btn svg { width: 18px; height: 18px; color: var(--txt2); }
.settings-head h2 { font-size: 1.2rem; }

.set-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 14px;
  transition: background .3s, border-color .3s;
}

.set-title { font-size: .9rem; font-weight: 600; margin-bottom: 14px; }

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: border-color .3s;
}

.set-row:last-child { border-bottom: none; padding-bottom: 0; }
.set-info { flex: 1; }
.set-label { font-size: .85rem; font-weight: 600; }
.set-desc { font-size: .72rem; color: var(--txt3); margin-top: 2px; }

.toggle {
  width: 46px;
  height: 26px;
  background: var(--card-light);
  border-radius: 99px;
  position: relative;
  cursor: pointer;
  transition: .2s, background .3s;
  flex-shrink: 0;
}

.toggle.on { background: var(--accent); }

.toggle-knob {
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: .2s;
}

.toggle.on .toggle-knob { transform: translateX(20px); }

.theme-options { display: flex; gap: 8px; }

.theme-btn {
  flex: 1;
  height: 42px;
  border: none;
  border-radius: 12px;
  background: var(--card-light);
  color: var(--txt3);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  transition: .2s, background .3s, color .3s;
}

.theme-btn.active { background: var(--accent); color: #fff; }

/* ===== HEATMAP ===== */
.heatmap-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 16px;
  transition: background .3s, border-color .3s;
}

.heatmap-title { font-size: .85rem; font-weight: 600; margin-bottom: 14px; }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: .65rem;
  color: var(--txt4);
}

.heatmap-legend-boxes { display: flex; gap: 3px; }

.heatmap-box { width: 16px; height: 16px; border-radius: 4px; }

.heatmap-grid {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.heatmap-col { display: flex; flex-direction: column; gap: 5px; }

.heatmap-cell {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  transition: transform .1s;
}

.heatmap-cell:hover { transform: scale(1.3); z-index: 2; position: relative; }

/* ===== NOTIFICATION OVERLAY ===== */
.notif-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: none;
}

.notif-overlay.show { display: block; }

.notif-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(4px);
}

/* Yaha Notifications */
.notif-panel {
  position: absolute;
  top: 62px;
  right: 12px;
  
  width: 280px;
  max-width: calc(100% - 24px);
  
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  
  box-shadow: 0 16px 40px var(--shadow);
  
  overflow: hidden;
  
  animation: popup .35s cubic-bezier(.22, 1, .36, 1);
  
  transition: background .3s, border-color .3s;
}

.notif-head {
  height: 44px;
  
  padding: 0 14px;
  
  display: flex;
  align-items: center;
  justify-content: space-between;
  
  border-bottom: 1px solid var(--border);
  
  transition: border-color .3s;
}

.notif-head h3 {
  font-size: .82rem;
  font-weight: 700;
}

.notif-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mark-read {
  font-size: .66rem;
  
  color: var(--accent2);
  
  text-decoration: none;
  
  padding: 4px 8px;
  
  border-radius: 8px;
  
  cursor: pointer;
}

.close-x {
  width: 26px;
  height: 26px;
  
  border: none;
  background: none;
  
  color: var(--txt4);
  
  border-radius: 8px;
  
  cursor: pointer;
  
  display: grid;
  place-items: center;
}

.close-x svg {
  width: 14px;
  height: 14px;
}

.notif-body {
  max-height: 260px;
  overflow-y: auto;
}

.notif-item {
  display: flex;
  
  gap: 10px;
  
  padding: 12px 14px;
  
  border-bottom: 1px solid rgba(255, 255, 255, .03);
  
  cursor: pointer;
}

.notif-item:last-child {
  border-bottom: none;
}

.notif-dot {
  width: 7px;
  height: 7px;
  
  border-radius: 50%;
  
  margin-top: 5px;
  
  flex-shrink: 0;
}

.notif-text {
  font-size: .75rem;
  
  line-height: 1.45;
  
  color: var(--txt2);
}

.notif-text strong {
  color: var(--txt);
  font-weight: 700;
}

.notif-time {
  font-size: .63rem;
  
  color: var(--txt4);
  
  margin-top: 3px;
}

@keyframes popup {
  from { opacity: 0; transform: translateY(-12px) scale(.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}


.notif-body { max-height: 320px; overflow-y: auto; }

.notif-dot.blue { background: var(--accent); }
.notif-dot.gray { background: var(--txt4); }



/* ===== FULL SCREEN OVERLAYS ===== */
.fs-overlay {
  position: fixed;
  top: 64px;      /* same as .topbar height */
  left: 0;
  right: 0;
  bottom: 76px;   /* same as bottom nav height */
  z-index: 60;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.22,1,.36,1), background .3s;
  display: flex;
  flex-direction: column;
}
.auth-fs-overlay {
  position: fixed;
  inset: 0;
  top: 0;
  bottom: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 999999 !important;
}
.fs-overlay.open { transform: translateX(0); }

.fs-head {
  height: 64px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  transition: border-color .3s;
}

.fs-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  scrollbar-width: none;
}

.fs-content::-webkit-scrollbar { display: none; }

/* ===== EDIT PROFILE ===== */
.edit-av-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

.edit-av {
  width: 90px;
  height: 90px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .15s;
}

.edit-av:active { transform: scale(.95); }
.edit-av img { width: 100%; height: 100%; object-fit: cover; }

.edit-av-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity .2s;
}

.edit-av:hover .edit-av-overlay,
.edit-av:active .edit-av-overlay { opacity: 1; }

.edit-av-overlay svg { width: 28px; height: 28px; color: #fff; }
.edit-av-btn { font-size: .78rem; color: var(--accent2); cursor: pointer; font-weight: 600; }

.form-group { margin-bottom: 16px; }

.form-label {
  font-size: .72rem;
  font-weight: 600;
  color: var(--txt3);
  margin-bottom: 6px;
  display: block;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: .88rem;
  font-family: 'Sora', sans-serif;
  outline: none;
  transition: background .3s, border-color .3s, color .3s;
}

.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--txt4); }

.btn-save {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  border: none;
  border-radius: 14px;
  color: #fff;
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
}

/* ===== CUSTOM DROPDOWN ===== */
.custom-dropdown-wrap { position: relative; }

.custom-dropdown-trigger {
  width: 100%;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: .88rem;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color .2s;
}

.custom-dropdown-trigger:focus { border-color: var(--accent); outline: none; }

.custom-dropdown-trigger svg {
  width: 16px;
  height: 16px;
  color: var(--txt4);
  transition: transform .2s;
}

.custom-dropdown-trigger.open svg { transform: rotate(180deg); }

.custom-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 40px var(--shadow);
  z-index: 100;
  overflow: hidden;
  animation: dropdownIn 0.2s cubic-bezier(.22,1,.36,1);
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.custom-dropdown-item {
  padding: 12px 14px;
  font-size: .85rem;
  color: var(--txt2);
  cursor: pointer;
  transition: background .15s;
  display: flex;
  align-items: center;
  gap: 10px;
}

.custom-dropdown-item:hover { background: var(--bg2); }
.custom-dropdown-item.selected { color: var(--accent2); font-weight: 600; }
.custom-dropdown-item.selected svg { width: 16px; height: 16px; }

.dropdown-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
}

.dropdown-overlay.show { display: block; }

/* ===== PERFORMANCE ===== */
.perf-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.ps-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 10px;
  text-align: center;
  transition: background .3s, border-color .3s;
}

.ps-num { font-size: 1.3rem; font-weight: 700; color: var(--accent2); }
.ps-lbl { font-size: .68rem; color: var(--txt3); margin-top: 3px; }

.perf-chart {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 16px;
  transition: background .3s, border-color .3s;
}

.chart-title { font-size: .85rem; font-weight: 600; margin-bottom: 14px; }

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 6px;
  height: 130px;
}

.c-bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }

.c-bar {
  width: 100%;
  background: var(--accent);
  border-radius: 6px 6px 0 0;
  min-height: 6px;
}

.c-bar-label { font-size: .65rem; color: var(--txt4); }
.c-bar-val { font-size: .65rem; color: var(--accent2); font-weight: 600; }

.sub-perf { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }

.sp-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  transition: background .3s, border-color .3s;
}

.sp-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.sp-name { font-size: .82rem; font-weight: 600; }
.sp-score { font-size: .82rem; font-weight: 700; color: var(--accent2); }

.sp-bar {
  height: 4px;
  background: rgba(255,255,255,.06);
  border-radius: 99px;
  overflow: hidden;
}

.light-theme .sp-bar { background: rgba(0,0,0,.06); }
.sp-fill { height: 100%; border-radius: 99px; }

/* ===== BOOKMARKS ===== */
.bm-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background .3s, border-color .3s;
}

.bm-q { font-size: .85rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; }
.bm-meta { display: flex; gap: 8px; font-size: .72rem; color: var(--txt3); }

.bm-tag {
  background: rgba(91,108,255,.12);
  color: var(--accent2);
  padding: 2px 8px;
  border-radius: 99px;
  font-size: .65rem;
  font-weight: 600;
}

/* ===== COMMUNITY ===== */
.thought {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 10px;
  transition: background .3s, border-color .3s;
}

.th-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }

.th-av {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
  flex-shrink: 0;
}

.th-av img { width: 100%; height: 100%; object-fit: cover; }
.th-user { font-size: .82rem; font-weight: 600; }
.th-time { font-size: .68rem; color: var(--txt4); }
.th-body { font-size: .82rem; color: var(--txt3); line-height: 1.5; }

.th-actions {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  align-items: center;
}

.th-action {
  font-size: .75rem;
  color: var(--txt4);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color .2s;
  user-select: none;
}

.th-action svg { width: 16px; height: 16px; }
.th-action.liked { color: var(--accent2); }
.th-action.disliked { color: var(--red); }

.th-comments {
  overflow: hidden;
  
  max-height: 0;
  opacity: 0;
  
  margin-top: 0;
  padding-top: 0;
  
  border-top: 1px solid transparent;
  
  transform: translateY(-8px) scale(.98);
  
  transition:
    max-height .55s cubic-bezier(.22, 1, .36, 1),
    opacity .35s ease,
    transform .55s cubic-bezier(.22, 1, .36, 1),
    margin-top .55s cubic-bezier(.22, 1, .36, 1),
    padding-top .55s cubic-bezier(.22, 1, .36, 1),
    border-color .3s ease;
  
  will-change: max-height, transform, opacity;
}

.th-comments.open {
  opacity: 1;
  
  margin-top: 12px;
  padding-top: 12px;
  
  border-color: var(--border);
  
  transform: translateY(0) scale(1);
  
  max-height: var(--target-height);
}

.th-comment {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.th-comment-av {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  display: grid;
  place-items: center;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}

.th-comment-av img { width: 100%; height: 100%; object-fit: cover; }

.th-comment-body {
  flex: 1;
  background: var(--bg2);
  border-radius: 10px;
  padding: 8px 10px;
  transition: background .3s;
}

.th-comment-user { font-size: .72rem; font-weight: 600; color: var(--txt); margin-bottom: 2px; }
.th-comment-text { font-size: .75rem; color: var(--txt3); line-height: 1.4; }

.th-comment-input-wrap {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
  margin-bottom: 15px;
}

.th-comment-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--txt);
  font-size: .78rem;
  font-family: 'Sora', sans-serif;
  outline: none;
  transition: background .3s, border-color .3s, color .3s;
}

.th-comment-input::placeholder { color: var(--txt4); }
.th-comment-input:focus { border-color: var(--accent); }

.th-comment-send {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  border: none;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
}

.th-comment-send svg { width: 14px; height: 14px; color: #fff; }

.th-comment-count { font-size: .72rem; color: var(--txt4); cursor: pointer; margin-top: 8px; }

/* ===== PDF LIBRARY ===== */
.pdf-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background .3s, border-color .3s;
}

.pdf-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255,124,124,.1);
  display: grid;
  place-items: center;
}

.pdf-icon svg { width: 20px; height: 20px; color: var(--red); }
.pdf-info { flex: 1; }
.pdf-name { font-size: .85rem; font-weight: 600; }
.pdf-size { font-size: .72rem; color: var(--txt3); }

.pdf-dl {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--card-light);
  display: grid;
  place-items: center;
  transition: background .3s;
}

.pdf-dl svg { width: 16px; height: 16px; color: var(--txt2); }

/* ===== TOAST ===== */
.toast {
  position: absolute;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: .82rem;
  font-weight: 500;
  z-index: 100;
  opacity: 0;
  transition: .3s, background .3s, border-color .3s;
  pointer-events: none;
  white-space: nowrap;
  color: var(--txt);
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: relative;
  height: 76px;
  padding: 0 10px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 30;
  transition: background .3s, border-color .3s;
}

.nav-btn {
  width: 100%;
  height: 64px;
  border: none;
  background: none;
  color: var(--txt4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  position: relative;
  z-index: 2;
}

.nav-btn svg { width: 20px; height: 20px; }
.nav-btn span { font-size: .62rem; font-weight: 500; }
.nav-btn.active { color: var(--accent2); }

.active-pill {
  position: absolute;
  width: calc((100% - 20px) / 5);
  height: 52px;
  left: 10px;
  top: 12px;
  border-radius: 16px;
  background: var(--pill-bg);
  border: 1px solid rgba(91,108,255,.3);
  box-shadow: 0 0 0 1px rgba(91,108,255,.1), 0 8px 20px rgba(91,108,255,.15);
  transition: transform .22s cubic-bezier(
  0.34,
  1.45,
  0.64,
  1
), background .3s, border-color .3s;
  z-index: 0;
}

/* ===== AVATAR BOTTOM SHEET ===== */
.avatar-sheet {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: none;
}

.avatar-sheet.show { display: block; }

.avatar-sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
}

.avatar-sheet-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-radius: 24px 24px 0 0;
  padding: 20px 16px 30px;
  animation: sheetUp .3s cubic-bezier(.22,1,.36,1);
  transition: background .3s, border-color .3s;
}

@keyframes sheetUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.avatar-sheet-title { font-size: 1rem; font-weight: 700; text-align: center; margin-bottom: 20px; }

.avatar-sheet-btn {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--txt);
  font-size: .9rem;
  font-weight: 600;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .3s, border-color .3s, color .3s;
}

.avatar-sheet-btn.danger { color: var(--red); border-color: rgba(255,124,124,.2); }
.avatar-sheet-btn:active { transform: scale(.98); }

.avatar-sheet-cancel {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: none;
  background: transparent;
  color: var(--txt3);
  font-size: .85rem;
  font-weight: 600;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  margin-top: 8px;
}

/* ============================================
   MCQ SYSTEM STYLES
   ============================================ */

/* ===== CHAPTERS LIST ===== */
.chapter-list { display: flex; flex-direction: column; gap: 10px; }

.chapter-card {
  background: var(--card);
  
  border: 1px solid var(--border);
  
  border-radius: 16px;
  
  padding: 12px 14px;
  
  cursor: pointer;
  
  transition: transform .15s,
    background .3s,
    border-color .3s;
  
  display: flex;
  
  align-items: center;
  
  gap: 12px;
  
  min-height: 74px;
}

.chapter-card:active { transform: scale(.98); }

.chapter-num {
  width: 34px;

  height: 34px;

  border-radius: 10px;

  background: linear-gradient(
      135deg,
      #f7be59,
      #b6b1ff
  );

  display: flex;

  align-items: center;

  justify-content: center;

  font-size: .78rem;

  font-weight: 700;

  color: #fff;

  flex-shrink: 0;
}

.chapter-info { flex: 1; min-width: 0; }
.chapter-title {
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.3;
}

.chapter-meta {
  font-size: .68rem;
  color: var(--txt3);
  margin-top: 2px;
}
.chapter-arrow { color: var(--txt4); flex-shrink: 0; }

/* ===== CHAPTER DETAIL ===== */
.chapter-detail-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 16px;
  text-align: center;
}

.chapter-detail-num {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 12px;
}

.chapter-detail-title { font-size: 1.1rem; font-weight: 700; }
.chapter-detail-meta { font-size: .78rem; color: var(--txt3); margin-top: 4px; }

.chapter-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.chapter-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 8px;
  text-align: center;
}

.chapter-stat-val { font-size: 1.2rem; font-weight: 700; color: var(--accent2); }
.chapter-stat-lbl { font-size: .65rem; color: var(--txt3); margin-top: 3px; }

.chapter-actions { display: flex; flex-direction: column; gap: 10px; }

.btn-primary {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: 14px;
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform .15s, opacity .2s;
  box-shadow: 0 4px 16px rgba(91,108,255,.2);
}

.btn-primary:active { transform: scale(0.98); opacity: 0.9; }
.btn-primary svg { width: 18px; height: 18px; }

.btn-secondary {
  width: 100%;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Sora', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .2s, transform .15s;
}

.btn-secondary:active { transform: scale(0.98); }

/* ===== MCQ QUIZ OVERLAY ===== */
.mcq-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: none;
  flex-direction: column;
}

.mcq-overlay.show { display: flex; }

.mcq-overlay-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ===== QUIZ HEADER ===== */
.quiz-header {
  height: 64px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.quiz-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--txt2);
  flex-shrink: 0;
}

.quiz-close-btn svg { width: 16px; height: 16px; }

.quiz-progress-info { flex: 1; }
.quiz-progress-text { font-size: .78rem; color: var(--txt3); }
.quiz-progress-bar {
  height: 4px;
  background: var(--card-light);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 6px;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 99px;
  transition: width .3s ease;
}

.quiz-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--txt);
  flex-shrink: 0;
}

.quiz-timer svg { width: 16px; height: 16px; color: var(--accent2); }
.quiz-timer.warning { color: var(--red); }
.quiz-timer.warning svg { color: var(--red); }

/* ===== QUIZ BODY ===== */
.quiz-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  scrollbar-width: none;
}

.quiz-body::-webkit-scrollbar { display: none; }

.quiz-question-num {
  font-size: .72rem;
  font-weight: 600;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 10px;
}

.quiz-question {
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 16px;
  color: var(--txt);
}

.quiz-options { display: flex; flex-direction: column; gap: 10px; }

.quiz-direct-input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--txt1);
  outline: none;
  resize: none;
  min-height: 120px;
  line-height: 1.5;
  transition: border-color .3s, background .3s;
}
.quiz-direct-input:focus {
  border-color: var(--accent);
  background: var(--card);
}
.quiz-direct-input:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.quiz-direct-correct {
  margin-top: 14px;
  padding: 12px;
  background: rgba(91,108,255,.1);
  border: 1px solid rgba(91,108,255,.2);
  border-radius: 12px;
  font-size: 0.9rem;
  color: var(--txt2);
}


.quiz-option {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all .2s;
  font-size: .7rem;
  color: var(--txt2);
}

.quiz-option:hover { border-color: rgba(91,108,255,.3); }
.quiz-option:active { transform: scale(0.99); }

.quiz-option-letter {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  margin-top: 0;
  background: var(--card-light);
  display: grid;
  place-items: center;
  align-self: center;
  font-size: .72rem;
  font-weight: 700;
  color: var(--txt4);
  flex-shrink: 0;
  transition: all .2s;
}

.quiz-option.selected {
  border-color: var(--accent);
  background: rgba(91,108,255,.08);
}

.quiz-option.selected .quiz-option-letter {
  background: var(--accent);
  color: #fff;
}

.quiz-option.correct {
  border-color: var(--green);
  background: rgba(53,212,163,.08);
}

.quiz-option.correct .quiz-option-letter {
  background: var(--green);
  color: #fff;
}

.quiz-option.wrong {
  border-color: var(--red);
  background: rgba(255,124,124,.08);
}

.quiz-option.wrong .quiz-option-letter {
  background: var(--red);
  color: #fff;
}

.quiz-option-text {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: 28px;
  line-height: 1.45;
}

/* ===== QUIZ FOOTER ===== */
/* ===== MCQ NAVIGATION FOOTER ===== */

.quiz-footer{
  padding: 10px 14px calc(env(safe-area-inset-bottom) + 10px);
  border-top: 1px solid var(--border);
  background: var(--bg);
  backdrop-filter: blur(10px);
  flex-shrink: 0;
}

.quiz-footer-row{
  display:flex;
  gap:10px;
}

.quiz-footer-row button{
  flex:1;
  height:52px;
  border-radius:16px;
  font-size:.88rem;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:.18s ease;
}

/* Previous */
.quiz-footer-row .btn-secondary{
  background:var(--card);
  border:1px solid var(--border);
  color:var(--txt);
  box-shadow:none;
}

/* Next */
.quiz-footer-row .btn-primary{
  background:linear-gradient(
    135deg,
    #5b6cff,
    #7f8cff
  );
  border:none;
  color:white;
  box-shadow:
    0 4px 18px rgba(91,108,255,.25);
}

/* Press Effect */
.quiz-footer-row button:active{
  transform:scale(.97);
}

/* Icons */
.quiz-footer-row button svg{
  width:18px;
  height:18px;
}
/* ===== QUIZ FOOTER ===== */

.quiz-footer{
  padding: 12px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.quiz-footer-row{
  display:flex;
  gap:10px;
}

/* Shared */

.quiz-footer-row .btn-primary,
.quiz-footer-row .btn-secondary{

  flex:1;
  height:56px;

  border-radius:18px;

  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;

  font-size:.92rem;
  font-weight:700;

  transition:.18s ease;
}

/* Previous */

.quiz-footer-row .btn-secondary{

  background:var(--card);
  border:1px solid var(--border);

  color:var(--txt);
}

/* Next */

.quiz-footer-row .btn-primary{

  background:linear-gradient(
    135deg,
    #5b6cff,
    #7f8cff
  );

  border:none;
  color:#fff;
}

.quiz-footer-row button:active{
  transform:scale(.97);
}

/* ===== QUIZ RESULTS ===== */
.quiz-result-header {
  text-align: center;
  padding: 24px 0;
}

.quiz-result-score {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--score-deg)), var(--card-light) 0);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  position: relative;
}

.quiz-result-score::before {
  content: '';
  position: absolute;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--bg);
}

.quiz-result-score-inner {
  position: relative;
  z-index: 2;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent2);
}

.quiz-result-title { font-size: 1.2rem; font-weight: 700; }
.quiz-result-subtitle { font-size: .82rem; color: var(--txt3); margin-top: 4px; }

.quiz-result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.quiz-result-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 8px;
  text-align: center;
}

.quiz-result-stat.correct .qrs-val { color: var(--green); }
.quiz-result-stat.wrong .qrs-val { color: var(--red); }
.quiz-result-stat.skipped .qrs-val { color: var(--amber); }

.qrs-val { font-size: 1.3rem; font-weight: 700; }
.qrs-lbl { font-size: .65rem; color: var(--txt3); margin-top: 3px; }

.quiz-review-list { display: flex; flex-direction: column; gap: 10px; }

.quiz-review-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.quiz-review-item.correct { border-left: 3px solid var(--green); }
.quiz-review-item.wrong { border-left: 3px solid var(--red); }
.quiz-review-item.skipped { border-left: 3px solid var(--amber); }

.qr-q { font-size: .82rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; }
.qr-ans { font-size: .75rem; color: var(--txt3); }
.qr-ans .correct-ans { color: var(--green); font-weight: 600; }
.qr-ans .your-ans { color: var(--red); font-weight: 600; }

/* ===== TOAST ===== */
#avatarInput { display: none; }

/* ===== VIEW TRANSITIONS ===== */
.view-content {
  animation: viewFadeIn 0.3s cubic-bezier(.22,1,.36,1);
}

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.chapter-back-card {
  display: flex;
  align-items: center;
  gap: 14px;
  
  padding: 18px;
  margin-top: 14px;
  
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  
  cursor: pointer;
  transition: .2s;
}

.chapter-back-card:active {
  transform: scale(.98);
}

.chapter-back-icon {
  width: 48px;
  height: 48px;
  
  border-radius: 14px;
  
  background: rgba(91, 108, 255, .12);
  
  display: flex;
  align-items: center;
  justify-content: center;
  
  flex-shrink: 0;
}

.chapter-back-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent2);
}

.chapter-back-title {
  font-size: .9rem;
  font-weight: 700;
}

.chapter-back-sub {
  margin-top: 3px;
  font-size: .72rem;
  color: var(--txt3);
}

/* ============================================
   LAW MODULE STYLES
   ============================================ */

/* ===== LAW HEADER ===== */
.law-header {
  height: 64px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.law-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent2);
  flex-shrink: 0;
}

.law-timer svg {
  width: 16px;
  height: 16px;
  color: var(--accent2);
}

/* ===== LAW BODY ===== */
.law-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  scrollbar-width: none;
}

.law-body::-webkit-scrollbar { display: none; }

.law-question {
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--txt);
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-left: 3px solid var(--red);
}

.law-marks-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent2);
  background: rgba(91,108,255,.1);
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 16px;
  border: 1px solid rgba(91,108,255,.2);
}

/* ===== LAW SECTIONS ===== */
.law-sections {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.law-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  transition: border-color .2s, box-shadow .2s;
}

.law-section:focus-within {
  border-color: rgba(91,108,255,.3);
  box-shadow: 0 0 0 3px rgba(91,108,255,.08);
}

.law-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.law-section-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--txt);
  display: flex;
  align-items: center;
  gap: 8px;
}

.law-section-title::before {
  content: '';
  width: 4px;
  height: 16px;
  border-radius: 99px;
  background: var(--accent);
}

.law-section-marks {
  font-size: .72rem;
  font-weight: 600;
  color: var(--accent2);
  background: rgba(91,108,255,.1);
  padding: 3px 10px;
  border-radius: 99px;
}

.law-section-desc {
  font-size: .75rem;
  color: var(--txt3);
  margin-bottom: 12px;
  line-height: 1.4;
}

/* ===== LAW TEXTAREA ===== */
.law-textarea {
  width: 100%;
  min-height: 80px;
  padding: 14px 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--txt);
  font-size: .88rem;
  font-family: 'Sora', sans-serif;
  line-height: 1.7;
  outline: none;
  resize: none;
  transition: border-color .2s, background .3s, min-height .2s ease;
  overflow: hidden;
}

.law-textarea::placeholder {
  color: var(--txt4);
  font-size: .82rem;
}

.law-textarea:focus {
  border-color: var(--accent);
  background: var(--card);
}

.law-textarea:disabled {
  opacity: 0.7;
  background: var(--bg);
  cursor: not-allowed;
}

/* ===== LAW EVALUATION ===== */
.law-evaluation {
  margin-top: 20px;
  animation: evalSlideIn 0.4s cubic-bezier(.22,1,.36,1);
}

@keyframes evalSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.law-eval-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.law-eval-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt);
}

.law-eval-score {
  font-size: 1.4rem;
  font-weight: 800;
}

.law-eval-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.law-eval-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  transition: background .3s, border-color .3s;
}

.law-eval-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--txt);
}

.law-eval-subtitle {
  font-size: .75rem;
  font-weight: 600;
  color: var(--txt3);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.law-keyword-list {
  font-size: .78rem;
  line-height: 1.6;
  color: var(--txt2);
  margin-bottom: 10px;
  padding: 10px 12px;
  background: var(--bg2);
  border-radius: 10px;
}

.law-eval-note {
  font-size: .78rem;
  color: var(--txt3);
  font-style: italic;
  padding: 8px 12px;
  background: rgba(91,108,255,.06);
  border-radius: 10px;
  border-left: 3px solid var(--accent);
}

.law-eval-detail {
  font-size: .78rem;
  color: var(--txt2);
  line-height: 1.5;
}

/* ===== LAW EXPLANATION ===== */
.law-explanation {
  background: linear-gradient(135deg, rgba(91,108,255,.08), rgba(127,140,255,.04));
  border: 1px solid rgba(91,108,255,.15);
  border-radius: 16px;
  padding: 16px;
  margin-top: 16px;
}

.law-explanation-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent2);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.law-explanation-title::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.law-explanation-text {
  font-size: .82rem;
  color: var(--txt2);
  line-height: 1.7;
}

/* ===== LAW CONCEPTS OVERLAY Z-INDEX FIX ===== */
#fs-law-concepts {
  z-index: 70;
}

#fs-law-instructions {
  z-index: 80;
}

/* ===== LAW CHAPTER CARD ICON ===== */
.law-chapter-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--red), #ff9f9f);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.law-chapter-icon svg {
  width: 16px;
  height: 16px;
  color: #fff;
}
.law-keyword-icon{ flex-shrink:0; margin-top:2px; }
.law-keyword-icon svg{ width:16px; height:16px; }

/* OTP Input Boxes */
.otp-box {
  width: 45px;
  height: 55px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--txt1);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.otp-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}
/* ==========================================
   STREAK GOALS & WARNING BOX
========================================== */

#goal-modal-overlay.open {
  opacity: 1 !important;
}
#goal-modal-overlay.open .goal-modal-content {
  transform: translateY(0) !important;
}

.goal-quick-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--txt2);
  padding: 8px 0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.goal-quick-btn .gqb-num {
  font-size: 1rem;
  font-weight: 800;
  color: var(--txt1);
}
.goal-quick-btn .gqb-lbl {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.goal-quick-btn:hover, .goal-quick-btn:active {
  background: rgba(91,108,255,0.1);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.goal-quick-btn:hover .gqb-num, .goal-quick-btn:hover .gqb-lbl {
  color: var(--accent);
}

.premium-slider-container {
  width: 100%;
  position: relative;
  padding: 10px 0;
}

.premium-range {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  background: repeating-linear-gradient(
    to right,
    rgba(150,150,150,0.2) 0,
    rgba(150,150,150,0.2) calc(16.66% - 2px),
    transparent calc(16.66% - 2px),
    transparent 16.66%
  );
  border-radius: 4px;
  outline: none;
}

.premium-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: 4px solid var(--accent);
  box-shadow: 0 2px 8px rgba(91,108,255,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.premium-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(91,108,255,0.6);
}

.premium-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: 4px solid var(--accent);
  box-shadow: 0 2px 8px rgba(91,108,255,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.premium-range::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(91,108,255,0.6);
}

.streak-warning-box {
  margin: 15px 0 0 0;
  padding: 12px 16px;
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid #f59e0b;
  border-radius: 8px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: slideInDown 0.4s ease-out;
}
.streak-warning-box .sw-icon {
  color: #f59e0b;
  margin-top: 2px;
}
.streak-warning-box .sw-icon svg {
  width: 20px;
  height: 20px;
}
.streak-warning-box .sw-text {
  font-size: 0.9rem;
  color: var(--txt1);
  line-height: 1.4;
  font-weight: 500;
}

@keyframes slideInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== FIRE ANIMATION ===== */
.streak-banner {
  background: linear-gradient(135deg, #1a1040 0%, var(--card) 100%);
  border: 1px solid rgba(255,191,64,.15);
  border-radius: 18px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  transition: background .3s, border-color .3s;
}

.light-theme .streak-banner {
  background: linear-gradient(135deg, rgba(91,108,255,.12) 0%, #ffffff 100%);
  border: 1px solid rgba(91,108,255,.15);
  box-shadow: 0 4px 16px rgba(79,93,230,.06);
}

.fire-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Frozen streak tooltip */
.frozen-tooltip {
  display: none;
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(41, 121, 255, 0.92);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  letter-spacing: 0.02em;
}
.frozen-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: rgba(41, 121, 255, 0.92);
}
.fire-wrap.level-0:hover .frozen-tooltip {
  display: block;
  animation: fadeInTooltip 0.18s ease;
}
@keyframes fadeInTooltip {
  from { opacity: 0; transform: translateX(-50%) translateY(4px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.fire-wrap:hover {
  transform: scale(1.15);
}

.fire-svg-frozen,
.fire-svg-hot {
  transition: opacity 0.3s ease;
}

.fire-wrap.level-0 .fire-svg-hot {
  display: none;
}

/* ===== XP WARNING BANNER ===== */
.xp-warning-banner {
  position: relative;
  width: 100%;
  border-radius: 14px;
  background: linear-gradient(135deg, #1a1040 0%, var(--card) 100%);
  border: 1px solid rgba(255, 179, 0, 0.2);
  display: flex;
  align-items: center;
  padding: 12px 16px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  gap: 12px;
  transition: background .3s, border-color .3s;
}

.xp-warning-banner::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 179, 0, 0.08), transparent);
  transform: translateX(-100%);
  animation: shimmerSweep 3.5s infinite;
  pointer-events: none;
}

.light-theme .xp-warning-banner {
  background: linear-gradient(135deg, rgba(91,108,255,.08) 0%, #ffffff 100%);
  border: 1px solid rgba(255, 179, 0, 0.35);
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.08);
}

@keyframes shimmerSweep {
  0% { transform: translateX(-100%); }
  50%, 100% { transform: translateX(100%); }
}

.xp-wb-icon {
  position: relative;
  width: 24px;
  height: 24px;
  color: #ffb300;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}


.xp-wb-icon::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: rgba(255, 179, 0, 0.2);
  animation: pulseRing 2s ease-in-out infinite;
}

@keyframes pulseRing {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

.xp-wb-icon svg {
  width: 18px;
  height: 18px;
  position: relative;
  z-index: 1;
}

.xp-wb-content {
  flex: 1;
}

.xp-wb-title {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.xp-wb-sub {
  color: #7ea8d8;
  font-size: 12px;
  margin-top: 4px;
}

.xp-wb-arrow {
  color: #7ea8d8;
  opacity: 0.5;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  margin-right: 8px;
}

.xp-wb-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ffb300;
  animation: blinkDot 1s infinite alternate;
}

@keyframes blinkDot {
  0% { opacity: 0.2; }
  100% { opacity: 1; }
}


/* ===== XP WARNING BANNER LIGHT THEME ===== */
.light-theme .xp-warning-banner {
  background: #ffffff;
  border: 1px solid rgba(255, 179, 0, 0.4);
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.1);
}

.light-theme .xp-wb-title {
  color: #1a202c;
}

.light-theme .xp-wb-sub {
  color: #4a5568;
}

.light-theme .xp-wb-arrow {
  color: #a0aec0;
}


@keyframes spin { 100% { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }



/* Table and MathJax Styles */
.q-text table, .opt-text table { width: 100%; border-collapse: collapse; margin: 12px 0; background: var(--bg2); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.1); font-size: 0.9rem; }
.q-text th, .q-text td, .opt-text th, .opt-text td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; color: var(--txt1); }
.q-text th, .opt-text th { background: rgba(255,255,255,0.05); font-weight: 700; color: var(--accent); }
.q-text tr:nth-child(even), .opt-text tr:nth-child(even) { background: rgba(255,255,255,0.02); }
.MathJax { color: var(--txt1) !important; font-size: 1.05em !important; padding: 2px 0; }