/* Nocturne 디자인 시스템 토큰 + 컴포넌트 클래스 (Claude Design 프로토타입에서 이식) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #11192c;
  --color-surface: #17233e;
  --color-text: #e9e9ed;
  --color-accent: #84d9d3;
  --color-accent-2: #a1dbd7;
  --color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);

  --color-neutral-100: #f3f5fe;
  --color-neutral-200: #e4e7f5;
  --color-neutral-300: #cfd3e5;
  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --color-accent-100: #f4fffe;
  --color-accent-200: #e5fefc;
  --color-accent-300: #cefdfa;
  --color-accent-400: #abfcf7;
  --color-accent-500: #8ae0da;
  --color-accent-600: #6cbfb9;
  --color-accent-700: #529490;
  --color-accent-800: #3a6a67;
  --color-accent-900: #27413f;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-heading-weight: 500;
  --font-body: "Inter", system-ui, sans-serif;

  --space-1: 2.8px; --space-2: 5.6px; --space-3: 8.4px; --space-4: 11.2px; --space-6: 16.8px; --space-8: 22.4px;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px;

  --shadow-sm: 0 0 0 1px #3f424d;
  --shadow-md: 0 0 0 1px #595d6c, 0 6px 18px rgba(0,0,0,0.55);
  --shadow-lg: 0 0 0 1px #9397ab, 0 16px 40px rgba(0,0,0,0.65);
}

html, body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
*, *::before, *::after { box-sizing: border-box; }
body { font-size: 15px; line-height: 1.55; font-weight: 400; }
input, button, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2); }
h1 { font-size: 42px; } h2 { font-size: 32px; } h3 { font-size: 25px; } h4 { font-size: 20px; } h5 { font-size: 16px; } h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: #abfcf7; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
@keyframes noct-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label { display: block; font-size: 12px; margin-bottom: 5px; color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }

/* — tags — */
.tag { display: inline-flex; align-items: center; font-size: 11px; letter-spacing: 0.02em; padding: 3px 10px; border-radius: calc(var(--radius-md) * 0.75); }
.tag-accent { background: var(--color-accent-800); color: var(--color-accent-100); }
.tag-neutral { background: var(--color-neutral-800); color: var(--color-neutral-100); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2);
}
.table td { padding: var(--space-2); }
.table thead tr {
  background: linear-gradient(to right, transparent, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px;
}
.table tbody tr {
  background: linear-gradient(to right, transparent, color-mix(in srgb, var(--color-text) 8%, transparent) 48px, color-mix(in srgb, var(--color-text) 8%, transparent) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px;
}
.table tbody tr:hover {
  background:
    linear-gradient(color-mix(in srgb, var(--color-text) 4%, transparent), color-mix(in srgb, var(--color-text) 4%, transparent)) no-repeat 0 0 / 100% 100%,
    linear-gradient(to right, transparent, color-mix(in srgb, var(--color-text) 8%, transparent) 48px, color-mix(in srgb, var(--color-text) 8%, transparent) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px;
}