/* =====================================================
   버블 프렌즈 콘텐츠 자동화 스튜디오 - 메인 스타일
   바다·숲 세계관 · 다크 테마 · 영유아 키즈 브랜드
   ===================================================== */

/* =====================================================
   잠금 화면
   ===================================================== */
#lock-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(135deg, #060a14 0%, #0a1628 50%, #060e1e 100%);
  display: none; /* lock.js에서 제어 */
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#lockCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.lock-box {
  position: relative;
  z-index: 2;
  background: rgba(13, 21, 48, 0.85);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 24px;
  padding: 2.8rem 2.5rem;
  width: 100%;
  max-width: 400px;
  margin: 1rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.12), 0 20px 60px rgba(0,0,0,0.5);
  animation: lockFadeIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes lockFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.lock-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.8rem;
  justify-content: center;
}

.lock-emoji {
  font-size: 2.6rem;
  animation: floatBubble 3s ease-in-out infinite;
  filter: drop-shadow(0 0 12px rgba(6,182,212,0.7));
}

.lock-brand {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
}

.lock-sub {
  font-size: 0.68rem;
  color: #64748b;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.lock-desc {
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 1.6rem;
  line-height: 1.6;
}

.lock-input-wrap {
  position: relative;
  margin-bottom: 0.6rem;
  display: block;
}

.lock-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #475569;
  font-size: 0.88rem;
  pointer-events: none;
}

.lock-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(6,182,212,0.2);
  border-radius: 12px;
  padding: 0.85rem 3rem 0.85rem 2.6rem;
  font-size: 1rem;
  color: #f0f6ff;
  font-family: 'Noto Sans KR', sans-serif;
  letter-spacing: 0.1em;
  transition: all 0.25s;
  outline: none;
}

.lock-input::placeholder {
  color: #334155;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.lock-input:focus {
  border-color: #06b6d4;
  background: rgba(6,182,212,0.06);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
}

.lock-eye-btn {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #475569;
  cursor: pointer;
  padding: 0.3rem;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.lock-eye-btn:hover { color: #06b6d4; }

.lock-error {
  font-size: 0.78rem;
  color: #f87171;
  min-height: 1.2rem;
  margin-bottom: 0.6rem;
  text-align: center;
  transition: opacity 0.2s;
}

.lock-btn {
  width: 100%;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  border: none;
  border-radius: 12px;
  padding: 0.9rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s;
  box-shadow: 0 4px 20px rgba(6,182,212,0.35);
  margin-bottom: 1rem;
}

.lock-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(6,182,212,0.5);
}

.lock-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.lock-hint {
  text-align: center;
  font-size: 0.72rem;
  color: #334155;
}

/* 흔들기 애니메이션 */
@keyframes shakeLock {
  0%, 100% { transform: translateX(0); }
  15%       { transform: translateX(-8px); }
  30%       { transform: translateX(8px); }
  45%       { transform: translateX(-6px); }
  60%       { transform: translateX(6px); }
  75%       { transform: translateX(-3px); }
  90%       { transform: translateX(3px); }
}

.lock-box.shake {
  animation: shakeLock 0.6s ease;
  border-color: rgba(248, 113, 113, 0.5);
  box-shadow: 0 0 30px rgba(248,113,113,0.2);
}

:root {
  --ocean-deep:    #0a0e1a;
  --ocean-mid:     #0d1530;
  --ocean-surface: #0f2045;
  --panel-bg:      #111827;
  --panel-border:  #1e2d4a;
  --card-bg:       #151f35;
  --card-hover:    #1a2845;

  --ocean-blue:    #3b82f6;
  --ocean-cyan:    #06b6d4;
  --ocean-teal:    #14b8a6;
  --forest-green:  #22c55e;
  --forest-lime:   #84cc16;
  --coral:         #f97316;
  --gold:          #f59e0b;
  --purple:        #a855f7;
  --pink:          #ec4899;

  --text-primary:  #f0f6ff;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  --glow-blue:     0 0 20px rgba(59,130,246,0.4);
  --glow-cyan:     0 0 20px rgba(6,182,212,0.4);
  --glow-teal:     0 0 20px rgba(20,184,166,0.4);
  --glow-green:    0 0 20px rgba(34,197,94,0.4);
  --glow-gold:     0 0 20px rgba(245,158,11,0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* ===== 기본 리셋 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--ocean-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ===== 배경 캔버스 ===== */
#bgCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ===== 스크롤바 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ocean-mid); }
::-webkit-scrollbar-thumb { background: var(--ocean-blue); border-radius: 3px; }

/* =====================================================
   헤더
   ===================================================== */
.studio-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--panel-border);
  padding: 0.9rem 1.5rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-brand { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-bubble {
  font-size: 2rem;
  animation: floatBubble 3s ease-in-out infinite;
  filter: drop-shadow(0 0 10px rgba(6,182,212,0.7));
}

@keyframes floatBubble {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50%       { transform: translateY(-6px) rotate(5deg); }
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-main {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, #06b6d4, #3b82f6, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
}

.brand-sub {
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-top: 1px;
}

.header-badge {
  background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(59,130,246,0.15));
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 99px;
  padding: 0.28rem 0.9rem;
  font-size: 0.72rem;
  color: var(--ocean-cyan);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-right {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.yt-link, .site-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 99px;
  font-size: 0.75rem;
  text-decoration: none;
  transition: all 0.2s;
  font-weight: 500;
}

.yt-link {
  background: rgba(220,38,38,0.15);
  border: 1px solid rgba(220,38,38,0.3);
  color: #f87171;
}
.yt-link:hover { background: rgba(220,38,38,0.3); box-shadow: 0 0 12px rgba(220,38,38,0.3); }

.site-link {
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  color: var(--ocean-blue);
}
.site-link:hover { background: rgba(59,130,246,0.25); box-shadow: var(--glow-blue); }

/* =====================================================
   히어로 섹션
   ===================================================== */
.hero-section {
  position: relative;
  text-align: center;
  padding: 4rem 1.5rem 6rem;
  overflow: hidden;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6,182,212,0.06) 0%, transparent 100%);
}

.hero-content { position: relative; z-index: 2; }

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.title-line1 {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--ocean-cyan);
  text-shadow: 0 0 30px rgba(6,182,212,0.5);
  letter-spacing: 0.05em;
}

.title-line2 {
  font-size: clamp(1rem, 3vw, 1.6rem);
  font-weight: 700;
  background: linear-gradient(90deg, #f0f6ff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--ocean-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.hero-desc {
  font-size: clamp(0.75rem, 1.8vw, 0.88rem);
  color: var(--text-secondary);
}

/* 웨이브 */
.wave-container {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 80px;
  overflow: hidden;
  z-index: 1;
}

.wave {
  position: absolute;
  bottom: 0;
  width: 200%;
  height: 80px;
  background: var(--ocean-deep);
  border-radius: 50% 50% 0 0 / 80px 80px 0 0;
}
.wave1 {
  animation: waveMove 6s linear infinite;
  opacity: 0.5;
  background: var(--ocean-mid);
}
.wave2 {
  animation: waveMove 8s linear infinite reverse;
  opacity: 0.35;
  background: var(--ocean-mid);
}
.wave3 {
  animation: waveMove 10s linear infinite;
  opacity: 0.2;
  background: var(--ocean-surface);
}

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

/* =====================================================
   스텝 인디케이터
   ===================================================== */
.step-indicator-wrapper {
  position: relative;
  z-index: 2;
  background: rgba(10,14,26,0.85);
  border-bottom: 1px solid var(--panel-border);
  padding: 1.2rem 1.5rem;
  backdrop-filter: blur(10px);
}

.step-indicator {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.step-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-muted);
  transition: all 0.3s;
  background: var(--card-bg);
  flex-shrink: 0;
}

.step.active .step-circle,
.step.completed .step-circle {
  border-color: var(--ocean-cyan);
  color: var(--ocean-cyan);
  background: rgba(6,182,212,0.15);
  box-shadow: var(--glow-cyan);
}

.step-info {
  display: flex;
  flex-direction: column;
}

.step-num {
  font-size: 0.58rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: color 0.3s;
}

.step-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color 0.3s;
}

.step-sublabel {
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.step.active .step-num,
.step.active .step-label,
.step.active .step-sublabel {
  color: var(--text-primary);
}

.step.completed .step-label,
.step.completed .step-sublabel,
.step.completed .step-num {
  color: var(--ocean-teal);
}

.step-line {
  flex: 1;
  height: 2px;
  background: var(--panel-border);
  max-width: 80px;
  min-width: 20px;
  transition: background 0.3s;
}

.step-line.active {
  background: linear-gradient(90deg, var(--ocean-cyan), var(--ocean-blue));
}

/* =====================================================
   메인 컨텐츠
   ===================================================== */
.studio-main {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.2rem 4rem;
}

/* ===== 섹션 ===== */
.studio-section {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.4s;
  animation: fadeInUp 0.4s ease;
}

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

.studio-section.hidden { display: none; }

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.section-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.section-icon-wrap.ocean  { background: rgba(6,182,212,0.2);  color: var(--ocean-cyan);   border: 1px solid rgba(6,182,212,0.3); }
.section-icon-wrap.green  { background: rgba(34,197,94,0.2);  color: var(--forest-green); border: 1px solid rgba(34,197,94,0.3); }
.section-icon-wrap.purple { background: rgba(168,85,247,0.2); color: var(--purple);       border: 1px solid rgba(168,85,247,0.3); }
.section-icon-wrap.gold   { background: rgba(245,158,11,0.2); color: var(--gold);         border: 1px solid rgba(245,158,11,0.3); }

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.required {
  font-size: 0.75rem;
  color: var(--coral);
  font-weight: 600;
  vertical-align: middle;
  margin-left: 0.4rem;
}

.section-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* =====================================================
   시리즈 카드 그리드
   ===================================================== */
.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.series-card {
  background: var(--card-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}

.series-card:hover {
  border-color: var(--ocean-blue);
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: var(--glow-blue);
}

.series-card.selected {
  border-color: var(--ocean-cyan);
  background: rgba(6,182,212,0.1);
  box-shadow: var(--glow-cyan);
}

.series-card.selected::before {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 0.75rem;
  color: var(--ocean-cyan);
  font-weight: 800;
}

.series-emoji {
  font-size: 1.8rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(6,182,212,0.3));
}

.series-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.series-info strong {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}

.series-info span {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.series-badge {
  font-size: 0.62rem;
  font-weight: 700;
  border-radius: 99px;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.ocean-badge    { background: rgba(6,182,212,0.2);  color: var(--ocean-cyan);   border: 1px solid rgba(6,182,212,0.4); }
.forest-badge   { background: rgba(34,197,94,0.2);  color: var(--forest-green); border: 1px solid rgba(34,197,94,0.4); }
.english-badge  { background: rgba(59,130,246,0.2); color: var(--ocean-blue);   border: 1px solid rgba(59,130,246,0.4); }
.song-badge     { background: rgba(236,72,153,0.2); color: var(--pink);         border: 1px solid rgba(236,72,153,0.4); }
.adventure-badge{ background: rgba(245,158,11,0.2); color: var(--gold);         border: 1px solid rgba(245,158,11,0.4); }
.loop-badge     { background: rgba(168,85,247,0.2); color: var(--purple);       border: 1px solid rgba(168,85,247,0.4); }

/* =====================================================
   접이식 패널
   ===================================================== */
.collapsible-panel {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
  user-select: none;
}

.panel-header:hover { background: rgba(59,130,246,0.1); }

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.panel-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.blue-icon { background: rgba(59,130,246,0.2); color: var(--ocean-blue); }

.panel-header-left strong {
  font-size: 0.9rem;
  font-weight: 700;
  display: block;
  color: var(--text-primary);
}

.panel-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
  display: block;
}

.panel-arrow {
  color: var(--text-muted);
  transition: transform 0.3s;
  font-size: 0.85rem;
}

.panel-arrow.open { transform: rotate(180deg); }

.panel-body {
  padding: 1rem 1.2rem 1.2rem;
  border-top: 1px solid rgba(59,130,246,0.15);
  animation: fadeInUp 0.25s ease;
}

/* =====================================================
   칩 그룹
   ===================================================== */
.chip-group {
  margin-bottom: 1.5rem;
}

.chip-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  background: var(--card-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: 99px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  font-weight: 500;
}

.chip:hover {
  border-color: var(--ocean-cyan);
  color: var(--ocean-cyan);
  background: rgba(6,182,212,0.08);
}

.chip.selected {
  background: rgba(6,182,212,0.15);
  border-color: var(--ocean-cyan);
  color: var(--ocean-cyan);
  font-weight: 600;
}

/* =====================================================
   포맷 카드
   ===================================================== */
.format-grid { margin-bottom: 1.5rem; }

.format-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.8rem;
  margin-top: 0.7rem;
}

.format-card {
  background: var(--card-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1.1rem 0.8rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
}

.format-card:hover {
  border-color: var(--purple);
  background: rgba(168,85,247,0.08);
  transform: translateY(-2px);
}

.format-card.selected {
  border-color: var(--purple);
  background: rgba(168,85,247,0.15);
  box-shadow: 0 0 18px rgba(168,85,247,0.3);
}

.format-card.selected::after {
  content: '✓';
  display: block;
  font-size: 0.75rem;
  color: var(--purple);
  font-weight: 800;
  margin-top: 0.3rem;
}

.format-icon { font-size: 1.6rem; margin-bottom: 0.5rem; }

.format-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.format-time {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* =====================================================
   네비게이션 버튼
   ===================================================== */
.step-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  gap: 1rem;
}

.next-btn, .back-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 99px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  font-family: 'Noto Sans KR', sans-serif;
}

.next-btn {
  background: linear-gradient(135deg, var(--ocean-cyan), var(--ocean-blue));
  color: white;
  box-shadow: 0 4px 15px rgba(6,182,212,0.4);
}

.next-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6,182,212,0.6);
}

.next-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.back-btn {
  background: var(--card-bg);
  border: 1.5px solid var(--panel-border);
  color: var(--text-secondary);
}

.back-btn:hover {
  border-color: var(--ocean-blue);
  color: var(--ocean-blue);
}

/* ===== 바이럴 버튼 ===== */
.viral-btn {
  background: linear-gradient(135deg, #dc2626, #f97316);
  border: none;
  color: white;
  padding: 0.7rem 1.5rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-family: 'Noto Sans KR', sans-serif;
}

.viral-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,115,22,0.4);
}

.viral-result {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.viral-item {
  background: rgba(249,115,22,0.08);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
}

.viral-item:hover {
  background: rgba(249,115,22,0.15);
  border-color: rgba(249,115,22,0.4);
}

.viral-num {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--coral);
  min-width: 20px;
}

/* =====================================================
   선택 요약 배지
   ===================================================== */
.selection-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  min-height: 32px;
}

.summary-badge {
  background: rgba(6,182,212,0.12);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 99px;
  padding: 0.3rem 0.8rem;
  font-size: 0.75rem;
  color: var(--ocean-cyan);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* =====================================================
   메인 생성 버튼
   ===================================================== */
.generate-btn-wrap {
  text-align: center;
  margin-bottom: 2rem;
}

.big-gen-btn {
  background: linear-gradient(135deg, #06b6d4, #3b82f6, #a855f7);
  border: none;
  border-radius: var(--radius-xl);
  padding: 1.4rem 2.5rem;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 280px;
  font-family: 'Noto Sans KR', sans-serif;
  box-shadow: 0 8px 30px rgba(6,182,212,0.4);
  position: relative;
  overflow: hidden;
}

.big-gen-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.big-gen-btn:hover::before { transform: translateX(100%); }

.big-gen-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(6,182,212,0.6);
}

.gen-icon { font-size: 1.6rem; }

.gen-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  letter-spacing: 0.02em;
}

.gen-sub {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.75);
}

/* =====================================================
   로딩
   ===================================================== */
.loading-wrap {
  text-align: center;
  padding: 3rem;
}

.loading-wrap.hidden { display: none; }

.bubble-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bubble-loader div {
  font-size: 2rem;
  animation: bubbleJump 1.2s ease-in-out infinite;
}

.b1 { animation-delay: 0s; }
.b2 { animation-delay: 0.3s; }
.b3 { animation-delay: 0.6s; }

@keyframes bubbleJump {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-18px); }
}

.loading-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* =====================================================
   결과 영역
   ===================================================== */
.result-area { animation: fadeInUp 0.5s ease; }
.result-area.hidden { display: none; }

/* 탭 */
.result-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  border: 1px solid var(--panel-border);
}

.tab-btn {
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Noto Sans KR', sans-serif;
}

.tab-btn:hover { color: var(--text-secondary); background: var(--panel-bg); }

.tab-btn.active {
  background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(59,130,246,0.2));
  color: var(--ocean-cyan);
  border: 1px solid rgba(6,182,212,0.3);
}

/* 탭 컨텐츠 */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeInUp 0.25s ease; }

/* 컨텐츠 블록 */
.content-block {
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  min-height: 200px;
}

/* 제목 아이템 */
.title-item {
  background: rgba(6,182,212,0.06);
  border: 1px solid rgba(6,182,212,0.15);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.title-item:hover {
  background: rgba(6,182,212,0.12);
  border-color: rgba(6,182,212,0.35);
}

.title-item:last-child { margin-bottom: 0; }

.title-num {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ocean-cyan);
  min-width: 24px;
  padding-top: 1px;
}

.title-text {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.title-copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem;
  margin-left: auto;
  flex-shrink: 0;
  transition: color 0.2s;
}

.title-copy-btn:hover { color: var(--ocean-cyan); }

/* 대본 */
.script-block {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.script-part {
  margin-bottom: 1.2rem;
}

.script-part-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ocean-cyan);
  margin-bottom: 0.5rem;
  padding: 0.2rem 0.6rem;
  background: rgba(6,182,212,0.1);
  border-left: 3px solid var(--ocean-cyan);
  border-radius: 0 4px 4px 0;
}

.script-line {
  color: var(--text-secondary);
  font-size: 0.83rem;
  line-height: 1.7;
  padding-left: 0.5rem;
  white-space: pre-wrap;
}

/* 씬 구성표 */
.scene-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.scene-table th {
  background: rgba(6,182,212,0.1);
  color: var(--ocean-cyan);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid rgba(6,182,212,0.2);
}

.scene-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--panel-border);
  color: var(--text-secondary);
  vertical-align: top;
}

.scene-table tr:hover td { background: rgba(6,182,212,0.04); }

.scene-table td:first-child { color: var(--ocean-cyan); font-weight: 700; min-width: 70px; }

/* 썸네일 */
.thumbnail-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}

.thumbnail-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: all 0.2s;
  cursor: pointer;
}

.thumbnail-card:hover {
  border-color: var(--gold);
  background: rgba(245,158,11,0.05);
}

.thumbnail-main-text {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fde68a;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.thumbnail-sub-text {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.thumbnail-tag {
  display: inline-block;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 99px;
  padding: 0.15rem 0.5rem;
  font-size: 0.65rem;
  color: var(--gold);
  margin-top: 0.5rem;
}

/* 해시태그 */
.hashtag-block {
  font-size: 0.83rem;
  line-height: 1.9;
  color: var(--ocean-blue);
  word-break: break-all;
}

.desc-block {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
  margin-bottom: 1rem;
}

/* 체크리스트 */
.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  cursor: pointer;
  transition: background 0.15s;
  border-radius: var(--radius-sm);
}

.checklist-item:hover { background: rgba(255,255,255,0.03); }

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

.check-box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--panel-border);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  cursor: pointer;
}

.check-box.checked {
  background: var(--forest-green);
  border-color: var(--forest-green);
}

.check-box.checked::after {
  content: '✓';
  color: white;
  font-size: 0.72rem;
  font-weight: 800;
}

.checklist-text {
  font-size: 0.83rem;
  color: var(--text-primary);
}

.checklist-text.done {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* 결과 액션 버튼 */
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
  justify-content: center;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: 'Noto Sans KR', sans-serif;
}

.copy-btn {
  background: rgba(6,182,212,0.15);
  border: 1px solid rgba(6,182,212,0.3);
  color: var(--ocean-cyan);
}
.copy-btn:hover { background: rgba(6,182,212,0.25); box-shadow: var(--glow-cyan); }

.reset-btn {
  background: rgba(168,85,247,0.15);
  border: 1px solid rgba(168,85,247,0.3);
  color: var(--purple);
}
.reset-btn:hover { background: rgba(168,85,247,0.25); }

.restart-btn {
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--gold);
}
.restart-btn:hover { background: rgba(245,158,11,0.25); }

/* =====================================================
   토스트
   ===================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--forest-green);
  color: white;
  padding: 0.7rem 1.5rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 9999;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
}

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

/* =====================================================
   섹션 구분선 스타일
   ===================================================== */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--panel-border), transparent);
  margin: 1.5rem 0;
}

/* =====================================================
   푸터
   ===================================================== */
.studio-footer {
  position: relative;
  z-index: 2;
  background: var(--ocean-mid);
  border-top: 1px solid var(--panel-border);
  padding: 1.2rem 1.5rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: 'Exo 2', sans-serif;
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--ocean-cyan);
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  gap: 1rem;
}

.footer-right a {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s;
}

.footer-right a:hover { color: var(--ocean-cyan); }

/* =====================================================
   반응형
   ===================================================== */
@media (max-width: 700px) {
  .step-info { display: none; }
  .step-circle { width: 36px; height: 36px; font-size: 0.85rem; }
  .series-grid { grid-template-columns: 1fr; }
  .format-cards { grid-template-columns: repeat(2, 1fr); }
  .result-tabs { gap: 0.3rem; }
  .tab-btn { padding: 0.4rem 0.6rem; font-size: 0.72rem; }
  .studio-section { padding: 1.3rem; }
  .big-gen-btn { min-width: unset; width: 100%; }
  .header-right { display: none; }
}

@media (max-width: 480px) {
  .format-cards { grid-template-columns: repeat(2, 1fr); }
  .thumbnail-cards { grid-template-columns: 1fr; }
}