/* ========================================
   크라우니 프리미엄 CSS v2 — 6 팔레트 · 확장 컴포넌트
======================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-body); font-feature-settings: 'cv11', 'ss03', 'zero'; transition: background var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard); }
::selection { background: rgba(201,169,97,0.32); color: var(--text); }

/* dark 팔레트 */
:root[data-theme="dark"], :root {
  --bg: #0A0908;
  --surface: #111111;
  --surface-raised: #1A1816;
  --surface-higher: #26231F;
  --border: #3A342D;
  --accent: #C9A961;
  --accent-soft: #E8D5A8;
  --text: #F4E9D8;
  --text-muted: #D4C5A9;
  --text-dim: #8B7D6B;
  --input-bg: #0A0908;
  --success: #2E7D5C;
  --warning: #C08842;
  --danger: #8B2635;
  --info: #2F4F6F;
}

/* light 팔레트 */
:root[data-theme="light"] {
  --bg: #FAF7F2;
  --surface: #F2EDE4;
  --surface-raised: #EAE2D2;
  --surface-higher: #DDD2BE;
  --border: #B8AB92;
  --accent: #A8874A;
  --accent-soft: #7D5C30;
  --text: #1A120B;
  --text-muted: #2B1D0E;
  --text-dim: #5C4528;
  --input-bg: #FAF7F2;
  --success: #1F5E45;
  --warning: #9A6420;
  --danger: #6E1E28;
  --info: #233E55;
}

/* cobalt */
:root[data-theme="cobalt"] {
  --bg: #06090F;
  --surface: #0D1320;
  --surface-raised: #141C30;
  --surface-higher: #1C2742;
  --border: #2C3A5A;
  --accent: #5AA2E8;
  --accent-soft: #A8C8EC;
  --text: #E8EEF8;
  --text-muted: #A8B4C8;
  --text-dim: #6A7890;
  --input-bg: #06090F;
  --success: #3FB27F;
  --warning: #E8A93C;
  --danger: #E85A6A;
  --info: #5AA2E8;
}

/* velvet */
:root[data-theme="velvet"] {
  --bg: #140A10;
  --surface: #1E1018;
  --surface-raised: #2A1622;
  --surface-higher: #3A1E2E;
  --border: #4E2A3C;
  --accent: #D4A088;
  --accent-soft: #E8C4B0;
  --text: #F4E4DC;
  --text-muted: #D4B8AC;
  --text-dim: #8A6E68;
  --input-bg: #140A10;
  --success: #6EA685;
  --warning: #D49868;
  --danger: #B34858;
  --info: #8894B4;
}

/* sage */
:root[data-theme="sage"] {
  --bg: #F5F1E8;
  --surface: #EDE6D6;
  --surface-raised: #E4DBC4;
  --surface-higher: #D8CBAE;
  --border: #B8AB88;
  --accent: #A85A3C;
  --accent-soft: #D08868;
  --text: #2A1A0E;
  --text-muted: #5A4328;
  --text-dim: #8A7858;
  --input-bg: #F5F1E8;
  --success: #5A7C4A;
  --warning: #B88030;
  --danger: #A04028;
  --info: #4A6878;
}

/* walnut */
:root[data-theme="walnut"] {
  --bg: #F8F4EC;
  --surface: #F2ECE0;
  --surface-raised: #EAE2D0;
  --surface-higher: #DED2BC;
  --border: #A89878;
  --accent: #5C3A1E;
  --accent-soft: #8A6240;
  --text: #2A1D0E;
  --text-muted: #5C4028;
  --text-dim: #8A7450;
  --input-bg: #F8F4EC;
  --success: #3E6A4A;
  --warning: #9A6420;
  --danger: #7E2418;
  --info: #345268;
}

/* 프리미엄 타이포그래피 — 3계층 */
:root {
  --font-display: 'Cormorant Garamond', 'Nanum Myeongjo', 'Apple SD Gothic Neo', serif;
  --font-body: 'Inter', 'Pretendard Variable', -apple-system, 'SF Pro Text', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'D2Coding', ui-monospace, monospace;
  --font-label: 'Inter', sans-serif;
  --track-tight: -0.02em;
  --track-normal: -0.011em;
  --track-wide: 0.08em;
  --track-ultra: 0.24em;
  --weight-thin: 200;
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-bold: 600;
  --weight-black: 800;
  --line-display: 1.05;
  --line-tight: 1.25;
  --line-body: 1.55;
  --line-relax: 1.75;
}

.prem-display {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  letter-spacing: var(--track-tight);
  line-height: var(--line-display);
  font-feature-settings: 'liga', 'calt', 'ss01';
}
.prem-h1 { font: var(--weight-light) clamp(2.5rem, 5vw, 4.5rem)/1.05 var(--font-display); letter-spacing: var(--track-tight); }
.prem-h2 { font: var(--weight-regular) clamp(1.8rem, 3.5vw, 2.8rem)/1.15 var(--font-display); letter-spacing: var(--track-tight); }
.prem-h3 { font: var(--weight-medium) clamp(1.3rem, 2.2vw, 1.75rem)/1.25 var(--font-display); }

.prem-body { font: var(--weight-regular) 1rem/var(--line-body) var(--font-body); letter-spacing: var(--track-normal); font-feature-settings: 'cv11', 'ss03', 'zero'; }
.prem-lead { font: var(--weight-light) 1.25rem/var(--line-relax) var(--font-body); color: var(--text-muted); }

.prem-label {
  font: var(--weight-medium) 0.6875rem/1.2 var(--font-label);
  letter-spacing: var(--track-ultra);
  text-transform: uppercase;
  color: var(--text-muted);
}
.prem-numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-feature-settings: 'tnum', 'zero';
  letter-spacing: 0;
}


/* 프리미엄 그림자 — 5단계 + 내부 + 글로우 */
:root {
  --elev-1: 0 0.5px 1px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --elev-2: 0 1px 2px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.08), 0 0.5px 1px rgba(0,0,0,0.12);
  --elev-3: 0 2px 4px rgba(0,0,0,0.06), 0 6px 16px rgba(0,0,0,0.10), 0 0.5px 1px rgba(0,0,0,0.14);
  --elev-4: 0 4px 8px rgba(0,0,0,0.08), 0 12px 32px rgba(0,0,0,0.14), 0 0.5px 1px rgba(0,0,0,0.18);
  --elev-5: 0 8px 16px rgba(0,0,0,0.10), 0 24px 64px rgba(0,0,0,0.20), 0 0.5px 1px rgba(0,0,0,0.22);
  --inset-fine: inset 0 0.5px 0 rgba(255,255,255,0.08), inset 0 -0.5px 0 rgba(0,0,0,0.24);
  --inset-deep: inset 0 1px 2px rgba(0,0,0,0.30), inset 0 -1px 0 rgba(255,255,255,0.04);
  --inset-press: inset 0 2px 4px rgba(0,0,0,0.40);
  --glow-brass: 0 0 24px rgba(201,169,97,0.18), 0 0 1px rgba(201,169,97,0.40);
  --glow-emerald: 0 0 20px rgba(46,125,92,0.20), 0 0 1px rgba(46,125,92,0.50);
  --stroke-hair: 0 0 0 0.5px rgba(255,255,255,0.06);
  --stroke-fine: 0 0 0 1px rgba(255,255,255,0.08);
}

/* 프리미엄 표면 — 재질 시뮬레이션 */
.prem-brushed {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 50%, rgba(0,0,0,0.08) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.015) 0 1px, transparent 1px 3px),
    var(--surface, #1A1816);
  box-shadow: var(--inset-fine), var(--elev-2);
}

.prem-sapphire {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 40%, rgba(255,255,255,0.00) 100%),
    rgba(26,24,22,0.72);
  backdrop-filter: blur(20px) saturate(1.4) brightness(1.05);
  -webkit-backdrop-filter: blur(20px) saturate(1.4) brightness(1.05);
  border: 0.5px solid rgba(255,255,255,0.12);
  box-shadow: var(--elev-3), inset 0 0.5px 0 rgba(255,255,255,0.10);
}

.prem-lacquer {
  background:
    radial-gradient(ellipse at top, rgba(255,255,255,0.60) 0%, transparent 60%),
    var(--surface, #FAF7F2);
  box-shadow: var(--elev-2), inset 0 1px 0 rgba(255,255,255,1), inset 0 -0.5px 0 rgba(0,0,0,0.04);
  border: 0.5px solid rgba(0,0,0,0.06);
}

.prem-obsidian {
  background:
    radial-gradient(ellipse at top, rgba(255,255,255,0.04) 0%, transparent 55%),
    var(--surface, #111111);
  box-shadow: var(--elev-3), var(--inset-fine);
  border: 0.5px solid rgba(255,255,255,0.06);
}

.prem-leather {
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.04) 0%, transparent 30%),
    radial-gradient(circle at 70% 80%, rgba(0,0,0,0.12) 0%, transparent 40%),
    var(--surface, #2B1D0E);
  box-shadow: var(--elev-3), inset 0 0 20px rgba(0,0,0,0.40);
}

.prem-brass-accent {
  background: linear-gradient(135deg, #D4B573 0%, #C9A961 40%, #A88844 100%);
  color: #1A120B;
  box-shadow: var(--elev-2), inset 0 1px 0 rgba(255,255,255,0.30), inset 0 -1px 0 rgba(0,0,0,0.20), var(--glow-brass);
}

/* 프리미엄 모션 — 하이엔드 오디오 다이얼 느낌 */
:root {
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --ease-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
  --ease-accelerate: cubic-bezier(0.3, 0, 0.8, 0.15);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-subtle: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-instant: 80ms;
  --dur-quick: 160ms;
  --dur-base: 240ms;
  --dur-slow: 360ms;
  --dur-epic: 600ms;
}

.prem-transition { transition: all var(--dur-base) var(--ease-standard); }
.prem-transition-fast { transition: all var(--dur-quick) var(--ease-subtle); }

.prem-lift { transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard); }
.prem-lift:hover { transform: translateY(-1.5px); box-shadow: var(--elev-4); }
.prem-lift:active { transform: translateY(0); transition-duration: var(--dur-instant); }

.prem-press { transition: transform var(--dur-quick) var(--ease-subtle), box-shadow var(--dur-quick) var(--ease-subtle); }
.prem-press:active { transform: scale(0.985); box-shadow: var(--inset-press); }

@keyframes prem-fade-up {
  from { opacity: 0; transform: translateY(8px); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.prem-enter { animation: prem-fade-up var(--dur-slow) var(--ease-decelerate) both; }

@keyframes prem-shine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 프리미엄 컴포넌트 */
.prem-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  min-height: 44px;
  font: var(--weight-medium) 0.875rem/1 var(--font-body);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--text, #F4E9D8);
  background: linear-gradient(180deg, #26231F 0%, #1A1816 100%);
  border: 0.5px solid rgba(201,169,97,0.24);
  border-radius: 2px;
  box-shadow: var(--elev-2), inset 0 0.5px 0 rgba(255,255,255,0.06);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-standard);
  position: relative; overflow: hidden;
}
.prem-btn:hover { border-color: rgba(201,169,97,0.60); box-shadow: var(--elev-3), var(--glow-brass); transform: translateY(-0.5px); }
.prem-btn:active { transform: translateY(0); box-shadow: var(--inset-press); transition-duration: var(--dur-instant); }

.prem-btn-brass {
  background: linear-gradient(135deg, #D4B573 0%, #C9A961 40%, #A88844 100%);
  color: #1A120B;
  border: 0.5px solid rgba(0,0,0,0.24);
  box-shadow: var(--elev-2), inset 0 1px 0 rgba(255,255,255,0.40), inset 0 -1px 0 rgba(0,0,0,0.20);
}
.prem-btn-brass:hover { box-shadow: var(--elev-3), inset 0 1px 0 rgba(255,255,255,0.50), var(--glow-brass); }

.prem-card {
  position: relative;
  padding: 24px;
  border-radius: 4px;
  background: var(--surface, #111111);
  border: 0.5px solid rgba(255,255,255,0.08);
  box-shadow: var(--elev-3);
  transition: transform var(--dur-slow) var(--ease-decelerate), box-shadow var(--dur-slow) var(--ease-decelerate);
}
.prem-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 30%);
}
.prem-card:hover { transform: translateY(-2px); box-shadow: var(--elev-4); }

.prem-input {
  width: 100%;
  padding: 14px 16px;
  min-height: 44px;
  font: var(--weight-regular) 0.9375rem/1.4 var(--font-body);
  color: var(--text, #F4E9D8);
  background: var(--input-bg, #0A0908);
  border: 0.5px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  box-shadow: var(--inset-deep);
  transition: border-color var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.prem-input:focus { outline: none; border-color: #C9A961; box-shadow: var(--inset-deep), 0 0 0 3px rgba(201,169,97,0.16); }

.prem-dial {
  width: 48px; height: 48px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.14), transparent 40%),
    conic-gradient(from 0deg, #1A1816, #26231F, #1A1816, #3A342D, #1A1816);
  box-shadow: var(--elev-3), inset 0 -2px 4px rgba(0,0,0,0.60), inset 0 1px 2px rgba(255,255,255,0.10);
  cursor: grab;
  transition: transform var(--dur-quick) var(--ease-subtle);
}
.prem-dial:active { cursor: grabbing; transform: scale(0.98); }

.prem-led { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--emerald, #2E7D5C); box-shadow: 0 0 6px currentColor, 0 0 1px currentColor; }
.prem-led.amber { background: #C08842; }
.prem-led.garnet { background: #8B2635; }

.prem-hairline { height: 0.5px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent); border: none; margin: 24px 0; }

/* === v2 확장 컴포넌트 === */
.prem-badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; font: 500 10px/1 var(--font-label); letter-spacing: var(--track-ultra); text-transform: uppercase; color: var(--text); background: var(--surface-raised); border: 0.5px solid var(--border); border-radius: 999px; }
.prem-badge.accent { color: var(--accent); border-color: var(--accent); background: transparent; }
.prem-badge.success { color: var(--success); border-color: var(--success); background: transparent; }
.prem-badge.danger { color: var(--danger); border-color: var(--danger); }

.prem-avatar { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--surface-higher), var(--surface-raised)); border: 0.5px solid var(--border); color: var(--text); font: 500 14px/1 var(--font-body); box-shadow: var(--elev-1), inset 0 0.5px 0 rgba(255,255,255,0.08); overflow: hidden; }
.prem-avatar.xl { width: 64px; height: 64px; font-size: 20px; }

.prem-progress { position: relative; height: 4px; background: var(--surface); border-radius: 2px; overflow: hidden; box-shadow: var(--inset-deep); }
.prem-progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-soft), var(--accent)); box-shadow: 0 0 8px var(--accent); transition: width var(--dur-slow) var(--ease-decelerate); }

.prem-vu { display: flex; gap: 2px; align-items: flex-end; height: 48px; padding: 4px; background: var(--bg); border: 0.5px solid var(--border); border-radius: 2px; box-shadow: var(--inset-deep); }
.prem-vu > i { display: block; flex: 1; min-width: 3px; background: linear-gradient(180deg, var(--danger) 0%, var(--warning) 30%, var(--success) 60%); border-radius: 0.5px; opacity: 0.2; transition: opacity var(--dur-quick) var(--ease-subtle); }
.prem-vu > i.on { opacity: 1; box-shadow: 0 0 3px currentColor; }

.prem-toast { position: fixed; bottom: 24px; right: 24px; max-width: 360px; padding: 14px 18px 14px 14px; background: var(--surface-raised); border: 0.5px solid var(--border); border-left: 2px solid var(--accent); border-radius: 3px; box-shadow: var(--elev-4); color: var(--text); font: 400 0.9375rem/1.5 var(--font-body); animation: prem-toast-in var(--dur-slow) var(--ease-decelerate); z-index: 1000; }
.prem-toast.success { border-left-color: var(--success); }
.prem-toast.danger { border-left-color: var(--danger); }
@keyframes prem-toast-in { from { opacity: 0; transform: translate(12px, 0) scale(0.98); } to { opacity: 1; transform: translate(0, 0) scale(1); } }

.prem-overlay { position: fixed; inset: 0; background: rgba(6,6,6,0.64); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; z-index: 900; animation: prem-fade-in var(--dur-base) var(--ease-standard); }
@keyframes prem-fade-in { from { opacity: 0; } to { opacity: 1; } }
.prem-modal { max-width: 480px; width: calc(100% - 48px); padding: 32px; background: var(--surface); border: 0.5px solid var(--border); border-radius: 4px; box-shadow: var(--elev-5), inset 0 0.5px 0 rgba(255,255,255,0.08); animation: prem-fade-up var(--dur-slow) var(--ease-decelerate); }

.prem-tabs { display: inline-flex; padding: 3px; background: var(--surface); border: 0.5px solid var(--border); border-radius: 4px; box-shadow: var(--inset-fine); gap: 2px; }
.prem-tabs > button { padding: 8px 16px; font: 500 12px/1 var(--font-label); letter-spacing: var(--track-wide); text-transform: uppercase; color: var(--text-muted); background: transparent; border: none; border-radius: 2px; cursor: pointer; transition: all var(--dur-base) var(--ease-standard); }
.prem-tabs > button:hover { color: var(--text); }
.prem-tabs > button.active { background: var(--surface-raised); color: var(--text); box-shadow: var(--elev-1), inset 0 0.5px 0 rgba(255,255,255,0.08); }

.prem-table { width: 100%; border-collapse: collapse; font: 400 0.9375rem/1.5 var(--font-body); }
.prem-table thead th { padding: 12px 16px; text-align: left; font: 500 10px/1 var(--font-label); letter-spacing: var(--track-ultra); text-transform: uppercase; color: var(--text-dim); border-bottom: 0.5px solid var(--border); }
.prem-table tbody td { padding: 14px 16px; border-bottom: 0.5px solid var(--border); color: var(--text); }
.prem-table tbody tr:hover td { background: var(--surface-raised); }
.prem-table td.numeric { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }

.prem-toggle { position: relative; display: inline-block; width: 44px; height: 24px; background: var(--surface); border: 0.5px solid var(--border); border-radius: 14px; box-shadow: var(--inset-deep); cursor: pointer; transition: background var(--dur-base) var(--ease-standard); }
.prem-toggle::after { content: ''; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-soft), var(--accent)); box-shadow: var(--elev-2); transition: transform var(--dur-base) var(--ease-spring); }
.prem-toggle.on { background: rgba(201,169,97,0.18); }
.prem-toggle.on::after { transform: translateX(20px); }