/* ==================== Computer-to-NAS Design System (theme.css) ====================
   Ported verbatim-in-spirit from PayWONT-Admin (colors/typography/main).
   This file is the CANONICAL, SHARED design system and is intended to be kept
   byte-identical between nas-server and stock-finder. App-specific styles belong
   in app.css, NOT here.

   Theme mechanism: html[data-theme="light" | "dark"] attribute (system-aware,
   default follows OS). Managed by js/i18n.js (setTheme/applyTheme).
   ================================================================================ */

/* ==================== Fonts ==================== */
@import url('https://fonts.googleapis.com/css2?family=Lexend+Giga:wght@300;400;500;700&family=Noto+Sans+KR:wght@300;400;500;700&family=Noto+Sans:wght@300;400;500;700&family=Public+Sans:wght@300;400;500;700&family=Roboto+Serif:wght@300;400;500;700&display=swap');

@font-face {
  font-family: 'PayWONT Mixed';
  font-style: normal; font-weight: 100 900; font-display: swap;
  src: local('Noto Sans KR'), local('NotoSansKR');
  unicode-range: U+1100-11FF, U+3130-318F, U+A960-A97F, U+AC00-D7A3, U+D7B0-D7FF;
}
@font-face {
  font-family: 'PayWONT Mixed';
  font-style: normal; font-weight: 100 900; font-display: swap;
  src: local('Roboto Serif'), local('RobotoSerif');
  unicode-range: U+0041-005A, U+0061-007A, U+00C0-00D6, U+00D8-00F6, U+00F8-00FF;
}
@font-face {
  font-family: 'PayWONT Mixed';
  font-style: normal; font-weight: 100 900; font-display: swap;
  src: local('Public Sans'), local('PublicSans');
  unicode-range: U+0030-0039;
}
@font-face {
  font-family: 'PayWONT Mixed';
  font-style: normal; font-weight: 100 900; font-display: swap;
  src: local('Noto Sans'), local('NotoSans');
  unicode-range: U+0000-00FF, U+0100-024F, U+0250-02AF, U+0370-03FF, U+0400-04FF, U+2000-206F, U+20A0-20CF, U+2100-214F, U+2150-218F;
}

/* ==================== Tokens ==================== */
:root {
  /* Layout */
  --admin-sidebar-width: 72px;
  --admin-radius: 16px;
  --admin-radius-sm: 10px;
  --admin-radius-xs: 8px;
  --admin-radius-pill: 50px;
  --admin-gap: 12px;
  --admin-padding: 20px;

  /* Brand */
  --color-point: #00C4A6;
  --color-point-rgb: 0, 196, 166;
  --color-emphasis: #FF6600;
  --color-emphasis-rgb: 255, 102, 0;

  /* Semantic (light) */
  --color-success: #34C759;
  --color-error: #FF3B30;
  --color-warning: #FF9500;
  --color-info: #007AFF;

  /* Surfaces / text (light) */
  --bg-primary: #EDEDED;
  --bg-secondary: #DEDEDE;
  --bg-tertiary: #F5F5F5;
  --text-primary: #222222;
  --text-secondary: rgba(34, 34, 34, 0.7);
  --text-tertiary: rgba(34, 34, 34, 0.5);
  --input-bg: #FFFFFF;
  --input-border: rgba(0, 0, 0, 0.15);
  --card-bg: #FFFFFF;
  --divider: rgba(0, 0, 0, 0.1);
  --shadow: rgba(0, 0, 0, 0.1);
  --admin-surface: #FFFFFF;
  --admin-surface-light: #F5F5F7;
  --admin-surface-hover: #EDEDF0;
  --admin-border: rgba(0, 0, 0, 0.08);
  --admin-border-light: rgba(0, 0, 0, 0.12);
  --admin-glow: rgba(0, 196, 166, 0.15);
  --admin-hover-bg: rgba(0, 0, 0, 0.04);
  --admin-hover-bg-strong: rgba(0, 0, 0, 0.07);
  --admin-tooltip-bg: #FFFFFF;
  --admin-scrollbar: rgba(0, 0, 0, 0.12);
  --admin-scrollbar-hover: rgba(0, 0, 0, 0.2);

  /* Typography */
  --font-primary: 'PayWONT Mixed', 'Noto Sans KR', 'Noto Sans', sans-serif;
  --font-heading: 'Lexend Giga', sans-serif;
  --font-display: 'Roboto Serif', serif;
  --font-mono: 'Courier New', monospace;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 700;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;

  --font-size-hero: 4rem;
  --font-size-xl: 2.5rem;
  --font-size-display: 2.25rem;
  --font-size-h1: 2rem;
  --font-size-h2: 1.5rem;
  --font-size-h3: 1.25rem;
  --font-size-body: 1.125rem;
  --font-size-small: 1rem;
  --font-size-xs: 0.875rem;
  --font-size-2xs: 0.8125rem;
  --font-size-3xs: 0.75rem;
  --font-size-4xs: 0.6875rem;
  --font-size-5xs: 0.625rem;
}

@media (min-width: 600px) {
  :root {
    --font-size-h1: 2.125rem; --font-size-h2: 1.625rem; --font-size-h3: 1.375rem;
    --font-size-body: 1.1875rem; --font-size-small: 1.0625rem; --font-size-xs: 0.9375rem;
  }
}
@media (min-width: 1024px) {
  :root {
    --font-size-h1: 2.5rem; --font-size-h2: 1.875rem; --font-size-h3: 1.5rem;
    --font-size-body: 1.25rem; --font-size-small: 1.125rem; --font-size-xs: 1rem;
  }
}

/* ==================== Dark theme override ==================== */
html[data-theme="dark"] { background-color: #0D0D14; }
html[data-theme="dark"] {
  --bg-primary: #0D0D14;
  --bg-secondary: #0F0F18;
  --bg-tertiary: #13131D;
  --text-primary: #EDEDED;
  --text-secondary: rgba(237, 237, 237, 0.7);
  --text-tertiary: rgba(237, 237, 237, 0.5);
  --input-bg: #1E1E2A;
  --input-border: rgba(255, 255, 255, 0.1);
  --card-bg: #1A1A24;
  --divider: rgba(255, 255, 255, 0.06);
  --shadow: rgba(0, 0, 0, 0.3);
  --admin-surface: #1A1A24;
  --admin-surface-light: #22222E;
  --admin-surface-hover: #252532;
  --admin-border: rgba(255, 255, 255, 0.06);
  --admin-border-light: rgba(255, 255, 255, 0.1);
  --admin-hover-bg: rgba(255, 255, 255, 0.04);
  --admin-hover-bg-strong: rgba(255, 255, 255, 0.07);
  --admin-tooltip-bg: #2A2A36;
  --admin-scrollbar: rgba(255, 255, 255, 0.1);
  --admin-scrollbar-hover: rgba(255, 255, 255, 0.2);
  --color-success: #30D158;
  --color-error: #FF6B6B;
  --color-warning: #FFB340;
  --color-info: #0A84FF;
}

/* Suppress transitions during boot (anti-FOUC) */
.preload, .preload *, .preload *::before, .preload *::after {
  transition: none !important;
  animation: none !important;
}

/* ==================== Global Reset ==================== */
*, *::before, *::after { box-sizing: border-box; }

html { background-color: var(--bg-primary); }

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-primary);
  font-size: var(--font-size-xs);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

button, input, textarea, select { font: inherit; }
h1, h2, h3, h4, p { margin: 0; }
a { color: var(--color-point); }

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--admin-scrollbar); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--admin-scrollbar-hover); }

/* ==================== Layout Shell ==================== */
.admin-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-primary);
  transition: background-color 0.3s ease;
  padding: 12px;
  gap: 12px;
}

.admin-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: var(--admin-radius);
  padding: 0;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-container { padding: var(--admin-padding); }

/* ==================== Sidebar ==================== */
.admin-sidebar {
  width: var(--admin-sidebar-width);
  min-width: var(--admin-sidebar-width);
  background: var(--admin-surface);
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 8px;
  overflow: visible;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--color-point);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding: 0 10px;
}

.nav-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.nav-group-divider {
  width: 32px;
  height: 1px;
  background: var(--admin-border);
  margin: 8px 0;
}

.nav-item {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: all 0.15s ease;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
}

.nav-item:hover { color: var(--text-primary); background: var(--admin-hover-bg-strong); }
.nav-item.active { color: var(--color-point); background: rgba(0, 196, 166, 0.1); }

.nav-tooltip {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--admin-tooltip-bg);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 1000;
  box-shadow: 0 2px 8px var(--shadow);
  border: 1px solid var(--admin-border);
}

.nav-item:hover .nav-tooltip { opacity: 1; }

.sidebar-footer {
  padding: 0 10px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.logout-btn { color: var(--text-tertiary); }
.logout-btn:hover { color: var(--color-error); background: rgba(255, 107, 107, 0.1); }

/* ==================== Card ==================== */
.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: var(--admin-padding);
  transition: background-color 0.3s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-card:hover { border-color: var(--admin-border-light); }

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-card-title { font-size: var(--font-size-small); font-weight: 500; color: var(--text-primary); margin: 0; }
.admin-card-subtitle { font-size: var(--font-size-xs); color: var(--text-tertiary); margin: 4px 0 0; }

/* ==================== Badge ==================== */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--admin-radius-pill);
  font-size: var(--font-size-3xs);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.admin-badge-success { background: rgba(48, 209, 88, 0.15); color: var(--color-success); }
.admin-badge-warning { background: rgba(255, 179, 64, 0.15); color: var(--color-warning); }
.admin-badge-error   { background: rgba(255, 107, 107, 0.15); color: var(--color-error); }
.admin-badge-info    { background: rgba(10, 132, 255, 0.15); color: var(--color-info); }
.admin-badge-point   { background: rgba(0, 196, 166, 0.15); color: var(--color-point); }
.admin-badge-neutral { background: var(--admin-hover-bg-strong); color: var(--text-secondary); }

/* ==================== Button ==================== */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--admin-radius-xs);
  font-family: var(--font-primary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.admin-btn i { font-size: 16px; }

.admin-btn-primary { background: var(--color-point); color: #fff; }
.admin-btn-primary:hover { background: #00D4B4; box-shadow: 0 0 20px var(--admin-glow); }

.admin-btn-secondary { background: var(--admin-hover-bg-strong); color: var(--text-primary); }
.admin-btn-secondary:hover { background: var(--admin-scrollbar); }

.admin-btn-danger { background: rgba(255, 107, 107, 0.15); color: var(--color-error); }
.admin-btn-danger:hover { background: rgba(255, 107, 107, 0.25); }

.admin-btn-warning { background: rgba(255, 179, 71, 0.15); color: var(--color-warning); }
.admin-btn-warning:hover { background: rgba(255, 179, 71, 0.25); }

.admin-btn-ghost { background: transparent; color: var(--text-secondary); }
.admin-btn-ghost:hover { color: var(--text-primary); background: var(--admin-hover-bg); }

.admin-btn-sm { padding: 5px 10px; font-size: var(--font-size-3xs); }
.admin-btn-lg { padding: 12px 24px; font-size: var(--font-size-small); }

.admin-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.admin-btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  justify-content: center;
  border-radius: var(--admin-radius-xs);
  background: var(--admin-hover-bg-strong);
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: all 0.15s ease;
}
.admin-btn-icon:hover { background: var(--admin-scrollbar); color: var(--text-primary); }

/* ==================== Form controls ==================== */
.admin-input,
.admin-select,
.admin-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--admin-radius-xs);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--font-size-xs);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus {
  border-color: var(--color-point);
  box-shadow: 0 0 0 3px rgba(0, 196, 166, 0.1);
}

.admin-input::placeholder, .admin-textarea::placeholder { color: var(--text-tertiary); }

.admin-select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.admin-textarea { resize: vertical; min-height: 80px; }

.admin-label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--font-size-3xs);
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-form-group { margin-bottom: 16px; }

/* ==================== Toggle switch ==================== */
.admin-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--admin-scrollbar);
  border-radius: 12px;
  outline: none;
  cursor: pointer;
  transition: background 0.2s ease;
  border: none;
  flex-shrink: 0;
}
.admin-toggle:checked { background: var(--color-point); }
.admin-toggle::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.admin-toggle:checked::before { transform: translateX(20px); }

/* ==================== Table ==================== */
.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--font-size-xs);
}

.admin-table thead th {
  padding: 10px 12px;
  font-size: var(--font-size-3xs);
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--admin-border);
  text-align: left;
  white-space: nowrap;
}

.admin-table tbody td {
  padding: 12px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--admin-border);
}

.admin-table tbody tr { transition: background 0.15s ease; }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table-clickable tbody tr { cursor: pointer; }
.admin-table-clickable tbody tr:hover { background: var(--admin-surface-hover); }
.admin-table th.num, .admin-table td.num { text-align: right; }

/* ==================== Stat ==================== */
.admin-stat { display: flex; flex-direction: column; gap: 6px; }
.admin-stat-value { font-size: var(--font-size-h2); font-weight: 700; color: var(--text-primary); line-height: 1; }
.admin-stat-label { font-size: var(--font-size-3xs); color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; }
.admin-stat-sub { font-size: var(--font-size-2xs); color: var(--text-secondary); }

/* ==================== Page header ==================== */
.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
}
.admin-page-title { font-size: var(--font-size-h3); font-weight: 600; color: var(--text-primary); margin: 0; }
.admin-page-subtitle { font-size: var(--font-size-xs); color: var(--text-tertiary); margin: 2px 0 0; }
.admin-page-actions { display: flex; align-items: center; gap: 8px; }

/* ==================== Section head (panel) ==================== */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px var(--admin-padding);
  border-bottom: 1px solid var(--admin-border);
  min-height: 56px;
}
.section-head h2 { font-size: var(--font-size-small); font-weight: 600; }
.section-head .subtitle { font-size: var(--font-size-3xs); color: var(--text-tertiary); margin-top: 2px; }

/* ==================== Empty / skeleton / divider ==================== */
.admin-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-tertiary);
  text-align: center;
  gap: 8px;
}
.admin-empty i { font-size: 40px; opacity: 0.4; }

.admin-divider { height: 1px; background: var(--admin-border); margin: 16px 0; }

.admin-skeleton {
  background: linear-gradient(90deg, var(--admin-surface) 25%, var(--admin-surface-light) 50%, var(--admin-surface) 75%);
  background-size: 200% 100%;
  animation: pulse 1.5s ease-in-out infinite;
  border-radius: var(--admin-radius-xs);
}

/* ==================== Generic Modal ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-backdrop[hidden] { display: none; }

.modal {
  width: min(560px, 100%);
  max-height: calc(100vh - 36px);
  display: flex;
  flex-direction: column;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px var(--admin-padding);
  border-bottom: 1px solid var(--admin-border);
}
.modal-head h2 { font-size: var(--font-size-small); font-weight: 600; }
.modal-body { padding: var(--admin-padding); overflow-y: auto; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px var(--admin-padding);
  border-top: 1px solid var(--admin-border);
}

/* ==================== Login Page ==================== */
.login-page {
  height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg-primary);
  padding: 20px;
}

.login-card {
  width: min(400px, 100%);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 40px 32px;
  text-align: center;
}

.login-logo {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border-radius: 14px;
  background: var(--color-point);
  color: #fff;
  font-weight: 800;
  font-size: 24px;
}

.login-title { font-family: var(--font-heading); font-size: var(--font-size-h3); font-weight: 700; margin-bottom: 8px; }
.login-subtitle { font-size: var(--font-size-xs); color: var(--text-tertiary); margin-bottom: 28px; }
.login-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.login-error {
  padding: 10px 14px;
  border-radius: var(--admin-radius-xs);
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.2);
  color: var(--color-error);
  font-size: var(--font-size-xs);
  display: none;
}
.login-error.visible { display: block; }

/* ==================== Animations ==================== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin { to { transform: rotate(360deg); } }

.spin { animation: spin 0.8s linear infinite; display: inline-block; }

/* ==================== Text utilities ==================== */
.text-h1 { font-family: var(--font-heading); font-size: var(--font-size-h1); font-weight: var(--font-weight-semibold); line-height: var(--line-height-tight); }
.text-h2 { font-size: var(--font-size-h2); font-weight: var(--font-weight-semibold); line-height: var(--line-height-normal); }
.text-h3 { font-size: var(--font-size-h3); font-weight: var(--font-weight-medium); line-height: var(--line-height-normal); }
.text-body { font-size: var(--font-size-body); font-weight: var(--font-weight-regular); line-height: var(--line-height-normal); }
.text-small { font-size: var(--font-size-small); }
.text-xs { font-size: var(--font-size-xs); }
.font-heading { font-family: var(--font-heading); }
.font-mono { font-family: var(--font-mono); }
.text-point { color: var(--color-point); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  :root { --admin-padding: 16px; --admin-gap: 10px; }
  .admin-layout { padding: 8px; gap: 8px; }
}

@media (max-width: 768px) {
  :root { --admin-padding: 12px; --admin-gap: 8px; --admin-radius: 12px; }

  body { overflow: auto; height: auto; }

  .admin-layout {
    flex-direction: column;
    padding: 0;
    gap: 0;
    height: auto;
    min-height: 100vh;
    padding-bottom: 72px;
  }

  .admin-content { border-radius: 0; overflow: visible; }

  .admin-sidebar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    width: 100%;
    min-width: 100%;
    height: 64px;
    border-radius: 0;
    flex-direction: row;
    padding: 0 8px;
    z-index: 100;
    border: none;
    border-top: 1px solid var(--admin-border);
  }

  .sidebar-logo { display: none; }
  .sidebar-nav { flex-direction: row; justify-content: center; padding: 0; overflow-x: auto; }
  .nav-group { flex-direction: row; gap: 4px; }
  .nav-group-divider { width: 1px; height: 24px; margin: 0 4px; }
  .nav-tooltip { display: none; }
  .sidebar-footer { flex-direction: row; width: auto; }

  .admin-page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .admin-page-actions { width: 100%; flex-wrap: wrap; }

  .modal-backdrop { padding: 0; }
  .modal { width: 100%; max-height: 100vh; border-radius: 0; }

  .login-card { padding: 24px; }
}