/* apps/studycafe/frontend/style.css */
/* MQnet StudyCafe - Ultra Premium Cyber-Lounge Theme */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.35);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --accent: #38bdf8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Inter", Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(56, 189, 248, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

/* ── Top Header ─────────────────────────────────────────── */
.sc-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-icon {
  font-size: 1.8rem;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #cbd5e1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* ── Navigation Tabs ────────────────────────────────────── */
.sc-nav-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.25rem;
  border-radius: 12px;
  gap: 0.25rem;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-tab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.my-seat-pill {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.my-seat-pill.none {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-dim);
}

/* ── Main Container ─────────────────────────────────────── */
.sc-main {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Stats Bar ──────────────────────────────────────────── */
.sc-stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.sc-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }
.stat-value { font-size: 1.5rem; font-weight: 800; color: #fff; display: flex; align-items: baseline; gap: 0.4rem; }
.stat-unit { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.stat-pct { font-size: 1.35rem; font-weight: 800; color: #fff; }

.text-accent { color: var(--accent); }
.text-success { color: var(--success); }

.sc-congestion-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  margin-left: auto;
}
.sc-congestion-badge.free { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.sc-congestion-badge.moderate { background: rgba(56, 189, 248, 0.15); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.3); }
.sc-congestion-badge.busy { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ── Zone Filter ────────────────────────────────────────── */
.sc-zone-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.zone-filter-btn {
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.zone-filter-btn:hover { color: #fff; border-color: rgba(255, 255, 255, 0.2); }
.zone-filter-btn.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
  color: #fff;
}

/* ── 20개 좌석 그리드 ───────────────────────────────────── */
.sc-seat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1.15rem;
}

.sc-seat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.sc-seat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.2);
}

.sc-seat-card.is-my-seat {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.25);
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.85), rgba(56, 189, 248, 0.08));
}

.sc-seat-card.occupied {
  border-color: rgba(239, 68, 68, 0.25);
}

.seat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.seat-num {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.seat-zone-pill {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}
.zone-focus { background: rgba(99, 102, 241, 0.15); color: #818cf8; border: 1px solid rgba(99, 102, 241, 0.3); }
.zone-normal { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.zone-laptop { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }

.seat-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.4rem;
}

.seat-icon { font-size: 2.2rem; }

.status-badge {
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
}
.status-badge.avail { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-badge.occ { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.status-badge.my { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid var(--accent); }

.seat-zone-desc { font-size: 0.72rem; color: var(--text-dim); }

.seat-footer { margin-top: auto; }

.btn-seat-action {
  width: 100%;
  padding: 0.55rem;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}

.btn-seat-action.assign {
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  color: #fff;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}
.btn-seat-action.assign:hover { transform: translateY(-1px); opacity: 0.95; }

.btn-seat-action.leave {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}
.btn-seat-action.leave:hover { background: rgba(239, 68, 68, 0.3); }

.btn-seat-action.info {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}
.btn-seat-action.info:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }

/* ── 이용권 요금제 그리드 ───────────────────────────────── */
.sc-tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.sc-ticket-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.sc-ticket-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
}

.sc-ticket-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.2);
}

.sc-ticket-card.managed-card {
  border-color: rgba(99, 102, 241, 0.45);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, var(--bg-card) 40%);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

.sc-ticket-card.managed-card:hover {
  border-color: rgba(99, 102, 241, 0.75);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

.popular-ribbon {
  position: absolute;
  top: -10px;
  right: 18px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.ticket-name { font-size: 1.15rem; font-weight: 700; color: #fff; }
.ticket-type-pill { font-size: 0.72rem; color: var(--accent); margin-top: 0.2rem; }

.ticket-price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}
.ticket-price .currency { font-size: 1.1rem; color: var(--text-muted); }

.ticket-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.btn-ticket-purchase {
  margin-top: auto;
  padding: 0.75rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  border: none;
  color: #fff;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.btn-ticket-purchase:hover { opacity: 0.95; transform: translateY(-1px); }

/* ── 스마트 출입문 & 모바일 패스 레이아웃 ───────────────── */
.sc-door-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.sc-door-control-card, .sc-mobile-pass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.75rem;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.door-visual {
  width: 140px;
  height: 180px;
  background: rgba(0, 0, 0, 0.4);
  border: 4px solid #334155;
  border-radius: 12px;
  position: relative;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.door-panel {
  width: 90%;
  height: 94%;
  background: linear-gradient(145deg, #1e293b, #0f172a);
  border: 2px solid #475569;
  border-radius: 6px;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 10px;
}

.door-panel.open {
  transform: perspective(600px) rotateY(-75deg);
  border-color: #38bdf8;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

.door-handle {
  width: 8px;
  height: 24px;
  background: #cbd5e1;
  border-radius: 4px;
}

.door-status-badge {
  position: absolute;
  bottom: -12px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}
.door-status-badge.locked { background: #334155; color: #cbd5e1; }
.door-status-badge.open { background: var(--success); color: #fff; box-shadow: 0 0 12px rgba(16, 185, 129, 0.5); }

.door-title { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 0.35rem; }
.door-subtitle { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 1.25rem; }

.btn-door-unlock {
  width: 100%;
  padding: 0.9rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 800;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
  transition: all 0.2s;
}
.btn-door-unlock:hover:not(:disabled) { transform: translateY(-2px); opacity: 0.95; }
.btn-door-unlock.disabled { opacity: 0.5; cursor: not-allowed; }

/* 모바일 출입증 */
.sc-mobile-pass-card {
  align-items: stretch;
  text-align: left;
  gap: 1rem;
  background: linear-gradient(165deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  border-color: rgba(56, 189, 248, 0.25);
}

.pass-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}
.pass-brand { font-size: 0.9rem; font-weight: 800; color: #fff; letter-spacing: 0.02em; }
.pass-chip { font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 9999px; }
.pass-chip.active { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.pass-chip.inactive { background: rgba(255, 255, 255, 0.08); color: var(--text-dim); }

.pass-user-info { display: flex; align-items: center; gap: 0.75rem; }
.user-avatar-circle {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.pass-user-name { font-size: 1.05rem; font-weight: 700; color: #fff; }
.pass-user-sub { font-size: 0.75rem; color: var(--text-muted); }

.pass-seat-slot {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}
.slot-label { color: var(--text-muted); font-size: 0.78rem; }
.slot-value { font-weight: 700; color: #fff; }

.pass-qr-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.qr-mock-code {
  width: 110px; height: 110px;
  background: #ffffff;
  border-radius: 8px;
  padding: 6px;
  display: flex; align-items: center; justify-content: center;
}
.qr-pattern {
  width: 100%; height: 100%;
  background-image: 
    radial-gradient(#000 35%, transparent 35%),
    radial-gradient(#000 35%, transparent 35%);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
}
.qr-tip { font-size: 0.7rem; color: var(--text-dim); text-align: center; line-height: 1.4; }

/* ── 자기주도학습 연동 탭 ───────────────────────────────── */
.sc-selfstudy-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.selfstudy-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(56, 189, 248, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 18px;
  padding: 1.5rem;
}
.banner-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}
.banner-title { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 0.35rem; }
.banner-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

.selfstudy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.ss-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ss-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ss-card-header h3 { font-size: 0.95rem; font-weight: 700; color: #fff; }
.ss-icon { font-size: 1.25rem; }

.ss-seat-status {
  display: flex;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem;
  border-radius: 10px;
}
.ss-seat-info { display: flex; flex-direction: column; gap: 0.2rem; }
.ss-seat-info .lbl { font-size: 0.7rem; color: var(--text-dim); }
.ss-seat-info .val { font-size: 0.9rem; font-weight: 700; color: #fff; }
.ss-seat-info .val.active { color: var(--accent); }
.ss-tip { font-size: 0.72rem; color: var(--text-dim); }

.ss-timer-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0;
}
.timer-time { font-size: 1.8rem; font-weight: 800; color: #fff; font-family: monospace; }
.timer-goal { font-size: 0.75rem; color: var(--text-muted); }

.ss-progress-bar {
  width: 100%; height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
}
.ss-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #38bdf8);
  border-radius: 9999px;
}

.ss-ai-quote {
  font-size: 0.8rem;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent);
  padding: 0.6rem 0.8rem;
  border-radius: 0 8px 8px 0;
  line-height: 1.45;
}

.ss-ai-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.ss-ai-chips .chip {
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  color: var(--text-muted);
}

.selfstudy-cta-box {
  display: flex;
  justify-content: center;
}

.btn-launch-selfstudy {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.8rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-launch-selfstudy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.5);
}

/* ── 모달 공통 스타일 ───────────────────────────────────── */
.sc-modal-backdrop {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.sc-modal-backdrop.open { display: flex; animation: scFadeIn 0.2s ease; }

.sc-modal {
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  width: 100%; max-width: 440px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
  overflow: hidden;
  color: #fff;
}

.sc-modal-header {
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}
.sc-modal-title { font-size: 1.15rem; font-weight: 700; margin: 0; }
.sc-modal-close {
  background: transparent; border: none; color: var(--text-muted);
  font-size: 1.25rem; cursor: pointer; border-radius: 6px; padding: 0.2rem;
}
.sc-modal-close:hover { color: #fff; }

.sc-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.sc-form-label { font-size: 0.8rem; font-weight: 600; color: #cbd5e1; }
.sc-form-input, .sc-form-select {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #fff; font-size: 0.95rem; outline: none;
}
.sc-form-input:focus, .sc-form-select:focus {
  border-color: var(--accent);
}

.sc-modal-submit-btn {
  padding: 0.85rem;
  border-radius: 10px;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  cursor: pointer;
  margin-top: 0.5rem;
}

/* ── Toast 알림 ─────────────────────────────────────────── */
.sc-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.sc-toast.show { transform: translateY(0); opacity: 1; }
.sc-toast.success { border-color: rgba(16, 185, 129, 0.5); }
.sc-toast.error { border-color: rgba(239, 68, 68, 0.5); }

@keyframes scFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* 반응형 모바일 */
@media (max-width: 768px) {
  .sc-header { flex-direction: column; align-items: stretch; }
  .sc-nav-tabs { overflow-x: auto; }
  .sc-stats-bar { grid-template-columns: 1fr 1fr; }
}

/* ── 외출(Step-Out) 모드 스타일 ───────────────────────── */
.sc-seat-card.step-out {
  border-color: rgba(245, 158, 11, 0.6) !important;
  background: linear-gradient(145deg, rgba(245, 158, 11, 0.08), rgba(15, 23, 42, 0.7)) !important;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.15);
}
.status-badge.step-out {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}
.zone-focus {
  background: rgba(239, 68, 68, 0.2) !important;
  color: #f87171 !important;
  border: 1px solid rgba(239, 68, 68, 0.3) !important;
}
.zone-normal {
  background: rgba(59, 130, 246, 0.2) !important;
  color: #60a5fa !important;
  border: 1px solid rgba(59, 130, 246, 0.3) !important;
}