/* ==========================================================================
   🚀 ELECTRIC & SAFETY - FULL-STACK AUTH & EMAIL VALIDATION (styles.css)
   ========================================================================== */

:root {
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --bg-deep-space: #030716;
  --bg-nebula-card: rgba(13, 18, 38, 0.92);
  --bg-card-hover: rgba(23, 31, 61, 0.95);
  --bg-input: rgba(15, 23, 42, 0.9);
  
  --accent-cosmic-purple: #8B5CF6;
  --accent-nebula-pink: #EC4899;
  --accent-star-cyan: #06B6D4;
  --accent-pulsar-blue: #3B82F6;
  --accent-gold-sun: #F59E0B;
  --accent-meteor-red: #F43F5E;
  --accent-emerald-orbit: #10B981;
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-sub: #CBD5E1;
  
  --border-space-glass: rgba(139, 92, 246, 0.35);
  --border-neon-glow: rgba(6, 182, 212, 0.5);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  
  --shadow-cosmic-glow: 0 0 35px rgba(139, 92, 246, 0.4);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.7);
  --glass-backdrop: blur(16px);
}

body.high-contrast {
  --bg-deep-space: #000000;
  --bg-nebula-card: #111111;
  --bg-input: #222222;
  --text-main: #FFFF00;
  --text-sub: #FFFFFF;
  --text-muted: #CCCCCC;
  --border-space-glass: #FFFF00;
  --border-neon-glow: #FFFF00;
  --accent-cosmic-purple: #FFFF00;
  background-image: none !important;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--bg-deep-space);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.22) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.2) 0%, transparent 40%);
}

#spaceCanvas { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; pointer-events: none; }
.container { max-width: 1350px; margin: 0 auto; padding: 1.5rem 1.5rem; position: relative; z-index: 2; }

/* 🚀 Header 2-Tier Sub-Bar Layout (No Overlap) */
.site-header { display: flex; flex-direction: column; padding: 1.25rem 1.5rem; background: rgba(13, 18, 38, 0.85); border: 1px solid var(--border-space-glass); border-radius: var(--radius-lg); backdrop-filter: var(--glass-backdrop); margin-bottom: 1.5rem; box-shadow: var(--shadow-cosmic-glow); }
.header-main-row { display: flex; justify-content: space-between; align-items: center; width: 100%; flex-wrap: wrap; gap: 1rem; }
.brand-logo { display: flex; align-items: center; gap: 0.85rem; text-decoration: none; color: var(--text-main); }
.brand-logo svg { width: 40px; height: 40px; fill: var(--accent-star-cyan); filter: drop-shadow(0 0 12px var(--accent-star-cyan)); }
.brand-title { font-size: 1.5rem; font-weight: 900; background: linear-gradient(135deg, #FFF 0%, #A7F3D0 50%, #C084FC 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.brand-title small { display: block; font-size: 0.68rem; color: var(--accent-star-cyan); letter-spacing: 3px; font-family: monospace; }

.header-right-container { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* 👁️👥 Header Sub-Bar */
.header-sub-bar { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-top: 0.75rem; padding-top: 0.65rem; border-top: 1px solid rgba(139, 92, 246, 0.2); }
.stats-counter-group { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.stat-badge { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.45rem 1rem; background: rgba(3, 7, 22, 0.9); border: 1px solid var(--border-space-glass); border-radius: 20px; font-size: 0.88rem; color: var(--text-sub); box-shadow: 0 0 15px rgba(139, 92, 246, 0.2); }
.stat-badge strong { color: var(--accent-star-cyan); font-family: monospace; font-size: 1.02rem; font-weight: 800; }
.stat-badge.member-badge strong { color: var(--accent-nebula-pink); }

.live-voltmeter { display: flex; align-items: center; gap: 1rem; background: rgba(3, 7, 22, 0.9); border: 1px solid var(--border-neon-glow); padding: 0.5rem 1.2rem; border-radius: 30px; }
.meter-gauge { display: flex; align-items: center; gap: 0.5rem; font-family: monospace; font-size: 1.15rem; font-weight: 800; color: #34D399; }
.meter-needle { width: 10px; height: 10px; background: #34D399; border-radius: 50%; box-shadow: 0 0 12px #34D399; }

/* 🔑 Authentication Modal & Form Feedback */
.form-control.is-invalid { border-color: var(--accent-meteor-red) !important; box-shadow: 0 0 12px rgba(244, 63, 94, 0.4) !important; }
.form-control.is-valid { border-color: var(--accent-emerald-orbit) !important; box-shadow: 0 0 12px rgba(16, 185, 129, 0.4) !important; }
.invalid-feedback { font-size: 0.82rem; color: var(--accent-meteor-red); margin-top: 0.35rem; font-weight: 700; display: none; }
.invalid-feedback.active { display: block; }

.user-profile-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(16, 185, 129, 0.2); border: 1px solid var(--accent-emerald-orbit); padding: 0.4rem 0.95rem; border-radius: 20px; color: #34D399; font-weight: 800; font-size: 0.88rem; }

/* 🛸 Navigation Tabs */
.nav-tabs { display: flex; gap: 0.45rem; background: rgba(13, 18, 38, 0.85); padding: 0.55rem; border-radius: var(--radius-md); border: 1px solid var(--border-space-glass); backdrop-filter: var(--glass-backdrop); overflow-x: auto; margin-bottom: 2.2rem; box-shadow: var(--shadow-card); position: relative; z-index: 10; }
.tab-btn { background: transparent; border: 1px solid transparent; color: var(--text-muted); padding: 0.75rem 1.15rem; border-radius: var(--radius-sm); font-size: 0.92rem; font-weight: 800; cursor: pointer !important; pointer-events: auto !important; transition: all 0.25s ease; white-space: nowrap; display: flex; align-items: center; gap: 0.45rem; }
.tab-btn:hover { color: var(--text-main); background: rgba(139, 92, 246, 0.25); border-color: rgba(139, 92, 246, 0.4); }
.tab-btn.active { background: linear-gradient(135deg, var(--accent-cosmic-purple) 0%, #6D28D9 100%); color: #FFF; border-color: var(--accent-cosmic-purple); box-shadow: 0 4px 20px var(--shadow-cosmic-glow); }

/* 🌟 Tab Content Display Fix */
.tab-content { display: none !important; opacity: 0; pointer-events: none; }
.tab-content.active { display: block !important; opacity: 1 !important; pointer-events: auto !important; position: relative !important; z-index: 5 !important; animation: cosmicFadeIn 0.35s ease; }

@keyframes cosmicFadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.section-header { margin-bottom: 2.2rem; text-align: center; }
.section-badge { display: inline-block; padding: 0.35rem 1rem; background: rgba(139, 92, 246, 0.2); color: #C084FC; border-radius: 30px; font-size: 0.82rem; font-weight: 800; margin-bottom: 0.6rem; border: 1px solid rgba(139, 92, 246, 0.4); }
.section-title { font-size: 2.3rem; font-weight: 900; margin-bottom: 0.6rem; background: linear-gradient(135deg, #FFFFFF 0%, #E9D5FF 50%, #67E8F9 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-desc { color: var(--text-muted); font-size: 1.05rem; max-width: 780px; margin: 0 auto; }

.card { background: var(--bg-nebula-card); border: 1px solid var(--border-space-glass); border-radius: var(--radius-lg); padding: 2rem; backdrop-filter: var(--glass-backdrop); box-shadow: var(--shadow-card); position: relative; z-index: 6; }
.card-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 1.35rem; display: flex; align-items: center; gap: 0.65rem; color: #F8FAFC; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem; padding: 0.8rem 1.6rem; border-radius: var(--radius-sm); font-size: 0.98rem; font-weight: 800; cursor: pointer !important; pointer-events: auto !important; border: none; transition: all 0.25s ease; }
.btn-primary { background: linear-gradient(135deg, var(--accent-cosmic-purple) 0%, #6D28D9 100%); color: #fff; box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35); }
.btn-danger { background: linear-gradient(135deg, var(--accent-meteor-red) 0%, #BE123C 100%); color: #fff; }
.btn-ghost { background: rgba(255, 255, 255, 0.08); color: var(--text-sub); border: 1px solid var(--border-space-glass); }
.btn-full { width: 100%; }

.modal-backdrop { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(3, 7, 22, 0.88); backdrop-filter: blur(8px); display: none !important; align-items: center; justify-content: center; z-index: 9999; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.modal-backdrop.open { display: flex !important; opacity: 1 !important; pointer-events: auto !important; }
.modal-card { background: #0D1226; border: 1px solid var(--border-space-glass); border-radius: var(--radius-lg); padding: 2.2rem; max-width: 520px; width: 90%; text-align: center; }

/* --------------------------------------------------------------------------
   폼 / 토글 / 헤더 컨트롤 (잘려 나간 유틸 복구)
   -------------------------------------------------------------------------- */
.header-controls { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }

.form-group { margin-bottom: 1.1rem; }
.form-label { display: block; margin-bottom: 0.4rem; font-size: 0.9rem; font-weight: 700; color: var(--text-sub); }
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-space-glass);
  background: var(--bg-input);
  color: var(--text-main);
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus {
  border-color: var(--accent-star-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}
.form-control option { background: #0D1226; color: var(--text-main); }

.btn-warning { background: linear-gradient(135deg, var(--accent-gold-sun) 0%, #D97706 100%); color: #111; }
.btn:disabled { opacity: 0.45; cursor: not-allowed !important; }

.instant-toggle-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 1.4rem; padding: 0.9rem 1.1rem;
  background: rgba(139, 92, 246, 0.12); border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: var(--radius-md);
}
.toggle-switch-label {
  display: inline-flex; align-items: center; gap: 0.55rem;
  cursor: pointer; font-weight: 700; color: var(--text-sub); user-select: none;
}
.toggle-checkbox {
  width: 1.15rem; height: 1.15rem; accent-color: var(--accent-cosmic-purple); cursor: pointer;
}

/* --------------------------------------------------------------------------
   CBT 시험 UI (우주 네온 — 기존 COSMIC 디자인)
   -------------------------------------------------------------------------- */
.cbt-exam-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.25rem;
  align-items: stretch;
}
.cbt-question-area,
.cbt-omr-sidebar {
  background: var(--bg-nebula-card);
  border: 1px solid var(--border-space-glass);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  backdrop-filter: var(--glass-backdrop);
  box-shadow: var(--shadow-card);
}
.cbt-omr-sidebar {
  display: flex; flex-direction: column; gap: 1rem; min-height: 420px;
}
.cbt-exam-header {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 1.25rem; padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(139, 92, 246, 0.25);
}
.cbt-year-title {
  font-size: 1.05rem; font-weight: 800; color: var(--accent-star-cyan);
  text-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
}
.cbt-timer {
  font-family: monospace; font-weight: 800; font-size: 1.05rem;
  color: var(--accent-gold-sun); padding: 0.35rem 0.75rem;
  border: 1px solid rgba(245, 158, 11, 0.45); border-radius: 999px;
  background: rgba(245, 158, 11, 0.1);
}

.cbt-subject-badge {
  display: inline-block; margin-bottom: 0.85rem; padding: 0.3rem 0.85rem;
  border-radius: 999px; font-size: 0.82rem; font-weight: 800;
  color: #C084FC; background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.cbt-question-text {
  font-size: 1.12rem; line-height: 1.7; color: var(--text-main);
  margin-bottom: 1.35rem; word-break: keep-all;
}
.cbt-choices-list { display: flex; flex-direction: column; gap: 0.7rem; }

/* 답 선택 — 클릭 가능·선택 표시 필수 */
.cbt-choice-item {
  display: flex; align-items: flex-start; gap: 0.85rem;
  width: 100%;
  text-align: left;
  font: inherit;
  padding: 0.95rem 1.05rem;
  background: rgba(15, 23, 42, 0.72);
  border: 1.5px solid rgba(139, 92, 246, 0.35);
  border-radius: var(--radius-md);
  color: var(--text-main);
  cursor: pointer !important;
  pointer-events: auto !important;
  user-select: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  position: relative;
  z-index: 2;
  -webkit-appearance: none;
  appearance: none;
}
.cbt-choice-item:hover {
  border-color: var(--accent-star-cyan);
  background: rgba(6, 182, 212, 0.12);
  box-shadow: 0 0 18px rgba(6, 182, 212, 0.18);
  transform: translateX(3px);
}
.cbt-choice-item.selected {
  border-color: var(--accent-pulsar-blue);
  background: rgba(59, 130, 246, 0.22);
  box-shadow: 0 0 22px rgba(59, 130, 246, 0.28);
}
.cbt-choice-item.correct {
  border-color: var(--accent-emerald-orbit);
  background: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 22px rgba(16, 185, 129, 0.25);
}
.cbt-choice-item.wrong {
  border-color: var(--accent-meteor-red);
  background: rgba(244, 63, 94, 0.18);
  box-shadow: 0 0 22px rgba(244, 63, 94, 0.22);
}
.cbt-choice-num {
  flex-shrink: 0;
  width: 2rem; height: 2rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-weight: 900; font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-cosmic-purple), #6D28D9);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.45);
}
.cbt-choice-item.selected .cbt-choice-num {
  background: linear-gradient(135deg, var(--accent-pulsar-blue), #1D4ED8);
}
.cbt-choice-item.correct .cbt-choice-num {
  background: linear-gradient(135deg, var(--accent-emerald-orbit), #059669);
}
.cbt-choice-item.wrong .cbt-choice-num {
  background: linear-gradient(135deg, var(--accent-meteor-red), #BE123C);
}

.instant-feedback-box {
  margin-top: 1.15rem; padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-space-glass);
  background: rgba(3, 7, 22, 0.75);
}
.instant-feedback-box.correct { border-color: rgba(16, 185, 129, 0.55); }
.instant-feedback-box.wrong { border-color: rgba(244, 63, 94, 0.55); }

.omr-title {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 800; color: var(--text-sub); font-size: 0.92rem;
}
.omr-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.45rem;
  max-height: 340px; overflow-y: auto; padding-right: 0.2rem;
}
.omr-btn {
  min-height: 2.35rem; border-radius: var(--radius-sm);
  border: 1px solid rgba(139, 92, 246, 0.35);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-muted);
  font-weight: 800; cursor: pointer !important; pointer-events: auto !important;
  transition: all 0.15s ease;
}
.omr-btn:hover { border-color: var(--accent-star-cyan); color: var(--text-main); }
.omr-btn.answered {
  background: rgba(59, 130, 246, 0.28);
  border-color: var(--accent-pulsar-blue);
  color: #93C5FD;
}
.omr-btn.current {
  outline: 2px solid var(--accent-star-cyan);
  color: #fff;
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.35);
}

.result-box, #cbtReportScreen .card {
  background: var(--bg-nebula-card);
  border: 1px solid var(--border-space-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.result-row {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 0.7rem 0; border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  color: var(--text-sub);
}
.result-val { font-family: monospace; }

/* --------------------------------------------------------------------------
   기타 탭 위젯 (래더 / 수배전 / 게임 등)
   -------------------------------------------------------------------------- */
.ladder-workspace { display: flex; flex-direction: column; gap: 1rem; }
.ladder-diagram {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem;
  padding: 1rem; border-radius: var(--radius-md);
  background: rgba(3, 7, 22, 0.55); border: 1px solid var(--border-space-glass);
}
.ladder-node {
  padding: 0.65rem 0.95rem; border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.18); border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--text-main); font-weight: 700; cursor: pointer;
}
.time-chart-canvas, .heatmap-canvas {
  width: 100%; max-width: 100%; height: auto;
  border-radius: var(--radius-md); border: 1px solid var(--border-space-glass);
  background: rgba(3, 7, 22, 0.65); margin-top: 0.75rem;
}

.substation-3d-wrapper {
  position: relative; min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg); overflow: hidden;
  background:
    radial-gradient(circle at 50% 40%, rgba(6, 182, 212, 0.18), transparent 55%),
    rgba(3, 7, 22, 0.75);
  border: 1px solid var(--border-space-glass);
  padding: 2rem 1rem;
}
.substation-part-pin {
  position: absolute; transform: translate(-50%, -50%);
  padding: 0.45rem 0.75rem; border-radius: 999px;
  background: rgba(244, 63, 94, 0.85); color: #fff; font-weight: 900; font-size: 0.8rem;
  cursor: pointer; box-shadow: 0 0 16px rgba(244, 63, 94, 0.55);
  z-index: 3; pointer-events: auto !important;
}
.substation-part-pin:hover { transform: translate(-50%, -50%) scale(1.08); }

.electric-game-container, .escape-room-box, .game-quiz-card {
  background: var(--bg-nebula-card); border: 1px solid var(--border-space-glass);
  border-radius: var(--radius-lg); padding: 1.25rem;
}
.game-hud { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.game-score-badge, .combo-badge {
  padding: 0.35rem 0.8rem; border-radius: 999px; font-weight: 800; font-size: 0.85rem;
  background: rgba(6, 182, 212, 0.15); border: 1px solid var(--border-neon-glow); color: var(--accent-star-cyan);
}
.game-question-title { font-size: 1.15rem; font-weight: 800; margin-bottom: 1rem; color: var(--text-main); }
.game-options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.battery-wrapper, .battery-container {
  height: 1rem; border-radius: 999px; overflow: hidden;
  background: rgba(15, 23, 42, 0.9); border: 1px solid var(--border-space-glass);
}
.battery-fill {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--accent-emerald-orbit), var(--accent-star-cyan));
  transition: width 0.3s ease;
}

@media (max-width: 768px) {
  .cbt-exam-container { grid-template-columns: 1fr; }
  .header-sub-bar { justify-content: center; flex-direction: column; gap: 0.5rem; }
  .game-options-grid { grid-template-columns: 1fr; }
  .omr-grid { grid-template-columns: repeat(6, 1fr); }
}

/* --------------------------------------------------------------------------
   6대 스마트 기획 기능 전용 UI 디자인
   -------------------------------------------------------------------------- */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.photo-upload-zone {
  border: 2px dashed rgba(192, 132, 252, 0.45);
  border-radius: var(--radius-md);
  padding: 1.75rem 1rem;
  text-align: center;
  background: rgba(192, 132, 252, 0.05);
  cursor: pointer;
  transition: all 0.25s ease;
}
.photo-upload-zone:hover {
  border-color: #C084FC;
  background: rgba(192, 132, 252, 0.12);
  box-shadow: 0 0 20px rgba(192, 132, 252, 0.2);
}

.tbm-doc-box {
  background: #0F172A;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  font-size: 0.9rem;
  color: #E2E8F0;
  line-height: 1.6;
}

.flashcard {
  perspective: 1000px;
  cursor: pointer;
  min-height: 200px;
  margin-bottom: 0.5rem;
}
.flashcard-inner {
  position: relative;
  width: 100%;
  height: 200px;
  text-align: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.flashcard.flipped .flashcard-inner {
  transform: rotateY(180deg);
}
.flashcard-front, .flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 0 15px rgba(52, 211, 153, 0.15);
}
.flashcard-back {
  transform: rotateY(180deg);
  background: rgba(6, 78, 59, 0.35);
  border-color: #34D399;
}
.flashcard-category {
  font-size: 0.78rem;
  font-weight: 800;
  color: #34D399;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.chat-window-box {
  background: rgba(3, 7, 22, 0.7);
  border: 1px solid var(--border-space-glass);
  border-radius: var(--radius-md);
  padding: 1rem;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.chat-msg {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 90%;
}
.bot-msg {
  background: rgba(139, 92, 246, 0.18);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: #F1F5F9;
  align-self: flex-start;
}
.user-msg {
  background: rgba(6, 182, 212, 0.2);
  border: 1px solid rgba(6, 182, 212, 0.4);
  color: #E0F2FE;
  align-self: flex-end;
}

.partner-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--border-space-glass);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s ease;
}
.partner-card:hover {
  border-color: var(--accent-star-cyan);
}



/* ⚡ CBT QUESTION BOX DEFINITIVE STYLING */
#cbtQuestionBox {
  display: block !important;
  min-height: 380px;
  background: rgba(13, 18, 38, 0.85) !important;
  border: 1px solid var(--border-space-glass) !important;
  border-radius: var(--radius-md) !important;
  padding: 1.5rem !important;
  color: var(--text-main) !important;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5) !important;
  margin-top: 0.75rem !important;
}



/* ==========================================================================
   ⚡ CBT QUESTION BOX PERFECT BRIGHT TEXT CONTRAST FIX (선명한 흰색 폰트)
   ========================================================================== */
#cbtActiveScreen,
.cbt-question-area,
#cbtQuestionBox {
  display: block !important;
  min-height: 380px !important;
  background: rgba(13, 18, 38, 0.95) !important;
  border: 1.5px solid rgba(139, 92, 246, 0.45) !important;
  border-radius: 16px !important;
  padding: 1.6rem !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6) !important;
}

#cbtQuestionBox *,
.cbt-question-text,
.cbt-choices-list,
.cbt-choice-item,
.cbt-choice-item span {
  opacity: 1 !important;
  visibility: visible !important;
}

.cbt-subject-badge {
  display: inline-block !important;
  color: #C084FC !important;
  background: rgba(139, 92, 246, 0.25) !important;
  border: 1px solid #8B5CF6 !important;
  font-weight: 800 !important;
  font-size: 0.92rem !important;
  padding: 0.35rem 0.9rem !important;
  border-radius: 20px !important;
  margin-bottom: 0.75rem !important;
}

.cbt-question-text {
  color: #FFFFFF !important;
  font-size: 1.25rem !important;
  font-weight: 800 !important;
  line-height: 1.65 !important;
  margin-top: 0.5rem !important;
  margin-bottom: 1.6rem !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9) !important;
  word-break: keep-all !important;
}

.cbt-choice-item {
  display: flex !important;
  align-items: center !important;
  gap: 0.95rem !important;
  width: 100% !important;
  text-align: left !important;
  background: rgba(30, 41, 59, 0.9) !important;
  border: 1.5px solid rgba(139, 92, 246, 0.45) !important;
  color: #F8FAFC !important;
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  padding: 1rem 1.2rem !important;
  margin-bottom: 0.75rem !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
}

.cbt-choice-item span {
  color: #F8FAFC !important;
}

.cbt-choice-item:hover {
  background: rgba(6, 182, 212, 0.25) !important;
  border-color: #06B6D4 !important;
}

.cbt-choice-item.selected {
  background: rgba(59, 130, 246, 0.35) !important;
  border-color: #3B82F6 !important;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4) !important;
}

.cbt-choice-item.selected span {
  color: #60A5FA !important;
}

.cbt-choice-num {
  flex-shrink: 0 !important;
  width: 2.1rem !important;
  height: 2.1rem !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 50% !important;
  color: #FFFFFF !important;
  background: linear-gradient(135deg, #8B5CF6, #6D28D9) !important;
  font-weight: 900 !important;
}

.omr-btn {
  color: #F8FAFC !important;
  background: rgba(30, 41, 59, 0.8) !important;
  border: 1px solid rgba(139, 92, 246, 0.4) !important;
}