/* ============================================================
   Samsung AI Portal — 문서관리 / 기안·결재 플로우
   Shared design tokens + base styles (screenshot-matched)
   ============================================================ */

:root {
  /* surfaces */
  --bg: #F3F5F8;
  --surface: #FFFFFF;
  --surface-2: #F7F8FA;
  --surface-3: #EEF0F4;
  --border: #E7E9EE;
  --border-strong: #D8DCE3;

  /* text */
  --text: #1B1F27;
  --text-2: #5C636E;
  --text-3: #939AA6;
  --text-4: #B4BAC4;

  /* brand */
  --primary: #2B6CF0;
  --primary-hover: #1F5BD8;
  --primary-weak: #EAF1FE;
  --primary-weak-2: #F3F7FF;
  --primary-border: #BBD2FB;

  /* status */
  --success: #11A06B;
  --success-weak: #E4F5EE;
  --success-border: #B6E5D2;
  --warn: #D98324;
  --warn-weak: #FBF0E2;
  --warn-border: #F0D6AE;
  --danger: #E14B4B;
  --danger-weak: #FCEBEB;
  --danger-border: #F4C9C9;
  --info: #2B6CF0;

  /* chat */
  --bubble-out: #E9F1FD;
  --bubble-in: #F1F2F5;

  /* geometry */
  --r-xs: 8px;
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 18px;
  --r-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(20, 28, 46, 0.05);
  --shadow: 0 4px 16px rgba(20, 28, 46, 0.07);
  --shadow-lg: 0 18px 50px rgba(20, 28, 46, 0.18);
  --shadow-pop: 0 12px 34px rgba(20, 28, 46, 0.14);

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #D5D9E0; border-radius: 20px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #C2C7D0; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- generic helpers ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; }

.badge--done { color: var(--success); background: var(--success-weak); border-color: var(--success-border); }
.badge--done .dot { background: var(--success); }
.badge--review { color: var(--primary); background: var(--primary-weak); border-color: var(--primary-border); }
.badge--review .dot { background: var(--primary); }
.badge--wait { color: var(--text-3); background: var(--surface-3); border-color: var(--border-strong); }
.badge--wait .dot { background: var(--text-4); }
.badge--reject { color: var(--danger); background: var(--danger-weak); border-color: var(--danger-border); }
.badge--reject .dot { background: var(--danger); }
.badge--redo { color: var(--warn); background: var(--warn-weak); border-color: var(--warn-border); }
.badge--redo .dot { background: var(--warn); }

/* avatar */
.avatar {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.02em;
  user-select: none;
}

/* file chip (PowerPoint-style) */
.filechip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  min-width: 0;
}
.filechip__icon {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 7px;
  display: grid; place-items: center;
  background: #E8483C;
  color: #fff; font-weight: 800; font-size: 12px;
}
.filechip__icon.x { background: #1A7E4C; }
.filechip__icon.w { background: #2B5BD7; }
.filechip__name {
  font-size: 14px; font-weight: 500; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 40px; padding: 0 18px;
  border-radius: var(--r-xs);
  font-size: 14px; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid transparent; background: var(--surface-3); color: var(--text);
  transition: background .15s, border-color .15s, transform .05s, opacity .15s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); }
.btn--dark { background: #20242C; color: #fff; }
.btn--dark:hover { background: #313641; }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text-2); }
.btn--ghost:hover { background: var(--surface-2); }
.btn--danger { background: var(--danger-weak); color: var(--danger); border-color: var(--danger-border); }
.btn--danger:hover { background: #f9dede; }
.btn--sm { height: 34px; padding: 0 13px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* modal */
.scrim {
  position: fixed; inset: 0;
  background: rgba(22, 28, 40, 0.38);
  display: grid; place-items: center;
  z-index: 60;
  animation: fade .16s ease;
}
.modal {
  width: min(560px, calc(100vw - 48px));
  max-height: calc(100vh - 64px);
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: pop .18s cubic-bezier(.2,.8,.3,1);
}
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }
.modal__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 24px 6px;
}
.modal__title { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.modal__x {
  width: 34px; height: 34px; border-radius: 9px; border: none; background: transparent;
  color: var(--text-3); display: grid; place-items: center;
}
.modal__x:hover { background: var(--surface-3); color: var(--text); }
.modal__body { padding: 12px 24px 8px; overflow: auto; }
.modal__foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px 22px;
}

.field { margin-bottom: 18px; }
.field__label { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 8px; display: flex; gap: 6px; align-items: center; }
.field__req { color: var(--danger); }
.input, .textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xs);
  padding: 12px 14px;
  font-size: 14.5px; color: var(--text); background: var(--surface);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-weak); }
.textarea { resize: vertical; min-height: 92px; line-height: 1.5; }
.input::placeholder, .textarea::placeholder { color: var(--text-4); }

@keyframes cardIn { from { opacity: 0; transform: translateY(6px); } }
@keyframes slideIn { from { opacity: 0; transform: translateY(10px); } }