/* ===================================================
   FANUP Dashboard — Shared Layout
   Used by: studio.html, seller.html
   =================================================== */

/* ─── Reset / Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; }

/* ─── Light Theme ─── */
:root {
  --bg: #F9FAFB;
  --bg-card: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --bg-topbar: #FFFFFF;

  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;

  --border: #E5E7EB;
  --border-light: #F3F4F6;

  --brand: #7C3AED;
  --brand-light: #EDE9FE;
  --brand-mid: #DDD6FE;
  --brand-hover: #6D28D9;

  --success: #10B981;
  --success-light: #D1FAE5;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --info: #3B82F6;
  --info-light: #DBEAFE;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --radius: 10px;
  --radius-lg: 14px;

  --sidebar-width: 232px;
  --topbar-height: 60px;

  --logo-filter: brightness(0);
}

/* ─── Dark Theme ─── */
[data-theme="dark"] {
  --bg: #0F0F13;
  --bg-card: #16161D;
  --bg-sidebar: #16161D;
  --bg-topbar: #16161D;
  --text-primary: #F0F0F8;
  --text-secondary: #9B9BB5;
  --text-muted: #6B6B85;
  --border: #2A2A38;
  --border-light: #1E1E28;
  --brand-light: rgba(124,58,237,0.15);
  --brand-mid: rgba(124,58,237,0.25);
  --success-light: rgba(16,185,129,0.12);
  --warning-light: rgba(245,158,11,0.12);
  --danger-light: rgba(239,68,68,0.12);
  --info-light: rgba(59,130,246,0.12);
  --logo-filter: brightness(0) invert(1);
}

/* ─── Layout Shell ─── */
.dash-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  overflow-y: auto;
  transition: transform 0.25s ease;
}
.sidebar-logo {
  height: var(--topbar-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-logo img {
  height: 22px;
  filter: var(--logo-filter);
}
.sidebar-logo .studio-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--border);
}
.sidebar-section {
  padding: 16px 12px 4px;
}
.sidebar-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
  margin-bottom: 1px;
}
.nav-item svg { flex-shrink: 0; opacity: 0.7; }
.nav-item:hover { background: var(--border-light); color: var(--text-primary); }
.nav-item:hover svg { opacity: 1; }
.nav-item.active {
  background: var(--brand-light);
  color: var(--brand);
  font-weight: 600;
}
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--brand);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
}
.nav-badge.green { background: var(--success); }
.nav-badge.yellow { background: var(--warning); }
.sidebar-footer {
  margin-top: auto;
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius);
  background: var(--bg);
}
.user-avatar {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--brand);
}
.user-name { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.user-role { font-size: 0.7rem; color: var(--text-muted); }

/* ─── Main Area ─── */
.dash-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ─── Topbar ─── */
.topbar {
  height: var(--topbar-height);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topbar-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-btn {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}
.topbar-btn:hover { border-color: var(--brand-mid); background: var(--brand-light); color: var(--brand); }
.topbar-notif { position: relative; }
.notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-topbar);
}
.topbar-avatar {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand);
  cursor: pointer;
}

/* ─── Page Content ─── */
.page-content { padding: 28px 24px; }

.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; }
.page-header p { font-size: 0.875rem; color: var(--text-muted); margin-top: 4px; }

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); }
.card-action {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand);
  cursor: pointer;
}
.card-action:hover { text-decoration: underline; }

/* ─── Stat Cards ─── */
.stat-grid {
  display: grid;
  gap: 16px;
}
.stat-grid-4 { grid-template-columns: repeat(4, 1fr); }
.stat-grid-3 { grid-template-columns: repeat(3, 1fr); }
.stat-grid-2 { grid-template-columns: repeat(2, 1fr); }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-card-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.stat-card-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.stat-card-value.brand { color: var(--brand); }
.stat-card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-delta-up { color: var(--success); font-weight: 600; }
.stat-delta-down { color: var(--danger); font-weight: 600; }

/* ─── Table ─── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 12px 12px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg); }
.td-main { font-weight: 600; color: var(--text-primary); }
.td-code { font-family: monospace; font-size: 0.82rem; color: var(--text-muted); }

/* ─── Status Badges ─── */
.status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
}
.status::before { content:''; width:5px; height:5px; border-radius:50%; flex-shrink:0; }
.status-success { background: var(--success-light); color: var(--success); }
.status-success::before { background: var(--success); }
.status-warning { background: var(--warning-light); color: var(--warning); }
.status-warning::before { background: var(--warning); }
.status-danger { background: var(--danger-light); color: var(--danger); }
.status-danger::before { background: var(--danger); }
.status-info { background: var(--info-light); color: var(--info); }
.status-info::before { background: var(--info); }
.status-default { background: var(--border-light); color: var(--text-muted); }
.status-default::before { background: var(--text-muted); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  line-height: 1;
}
.btn-sm { padding: 5px 12px; font-size: 0.78rem; border-radius: 6px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--brand-mid); color: var(--brand); background: var(--brand-light); }
.btn-ghost { background: var(--bg); border: 1px solid var(--border); color: var(--text-secondary); }
.btn-ghost:hover { background: var(--border-light); color: var(--text-primary); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: transparent; border: 1.5px solid var(--border); color: var(--danger); }
.btn-danger:hover { background: var(--danger-light); border-color: var(--danger); }
.btn-icon { width: 32px; height: 32px; padding: 0; border-radius: 7px; justify-content: center; }

/* ─── Form Controls ─── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: border-color 0.15s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand);
}
.form-textarea { min-height: 100px; resize: vertical; line-height: 1.6; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 5px; }

/* ─── Toggle Switch ─── */
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle {
  position: relative;
  width: 40px; height: 22px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--border);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle input:checked + .toggle-slider { background: var(--brand); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }
.toggle-label { font-size: 0.875rem; color: var(--text-secondary); }

/* ─── Tabs ─── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ─── Upload Zone ─── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.upload-zone:hover { border-color: var(--brand-mid); background: var(--brand-light); }
.upload-icon { margin: 0 auto 10px; color: var(--text-muted); }
.upload-text { font-size: 0.875rem; font-weight: 600; color: var(--text-secondary); }
.upload-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* ─── Empty State ─── */
.empty-state {
  padding: 48px 24px;
  text-align: center;
}
.empty-icon { margin: 0 auto 14px; color: var(--text-muted); opacity: 0.5; }
.empty-title { font-size: 0.95rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; }
.empty-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }

/* ─── Progress Bar ─── */
.progress-bar { height: 6px; background: var(--border-light); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--brand); transition: width 0.8s ease; }
.progress-fill.green { background: var(--success); }
.progress-fill.yellow { background: var(--warning); }

/* ─── Misc Utilities ─── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.text-sm { font-size: 0.82rem; }
.text-xs { font-size: 0.75rem; }
.text-brand { color: var(--brand); }
.text-success { color: var(--success); }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ─── Theme Toggle Button ─── */
.theme-toggle {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}
.theme-toggle:hover { border-color: var(--brand-mid); background: var(--brand-light); color: var(--brand); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .stat-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar { transform: translateX(-232px); width: 232px; }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,0.12); }
  .dash-main { margin-left: 0; }
  .page-content { padding: 16px 14px; }
  .stat-grid-4, .stat-grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  /* 테이블 가로 스크롤 */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 480px; }

  /* 페이지 헤더 */
  .page-header { margin-bottom: 16px; }
  .page-header h1 { font-size: 1.2rem; }
  .page-header p { font-size: 0.82rem; }

  /* 카드 패딩 */
  .card-header { padding: 14px 16px; }
  form .card-header, form > div { padding-left: 16px; padding-right: 16px; }

  /* 이미지 슬롯 */
  .img-preview-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* 상품 폼 그리드 → 1열 */
  .form-row { grid-template-columns: 1fr !important; }

  /* 탑바 */
  .topbar-title { font-size: 0.9rem; }

  /* 사이드바 오버레이 */
  .sidebar-overlay { display: block; }
}

@media (max-width: 480px) {
  .stat-grid-4, .stat-grid-3, .stat-grid-2 { grid-template-columns: 1fr; }
  .page-content { padding: 12px 12px; }
  table { min-width: 400px; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }