/* ========================================================
   VIE FAUCET - PREMIUM DESIGN SYSTEM
   Light / Dark Mode with CSS Variables
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Root Variables (Light Mode Default - matches Home Page) ── */
:root {
  --font: 'Inter', sans-serif;

  /* Brand Colors */
  --brand-primary:   #0abfb8;
  --brand-secondary: #089a94;
  --brand-accent:    #f99624;
  --brand-gradient:  linear-gradient(135deg, #0abfb8 0%, #089a94 100%);

  /* Light Mode Defaults */
  --bg-page:       #f0fafa;
  --bg-card:       #ffffff;
  --bg-sidebar:    #ffffff;
  --bg-topbar:     #ffffff;
  --bg-input:      #f8fafc;
  --bg-hover:      #e0faf9;
  --bg-badge:      #e0faf9;

  --text-primary:   #1a2e44;
  --text-secondary: #5a7184;
  --text-muted:     #829ab1;
  --text-sidebar:   #5a7184;
  --text-sidebar-active: #0abfb8;
  --text-white:     #ffffff;
  --text-brand:     #0abfb8;

  --border-color:   #d6eff0;
  --border-input:   #d6eff0;
  --shadow-card:    0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.02);
  --shadow-card-hover: 0 10px 30px rgba(10,191,184,.12);
  --shadow-sidebar: 2px 0 20px rgba(0,0,0,.05);

  --sidebar-width:  250px;
  --topbar-height:  60px;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --transition:     all .2s ease;
}

/* ── Dark Mode Variables (Default / Template 1 & 2 - Blue Orbital Theme) ── */
[data-theme="dark"] {
  --brand-primary:   #0abfb8; /* Teal */
  --brand-secondary: #089a94;
  --brand-accent:    #f99624;
  --brand-gradient:  linear-gradient(135deg, #0abfb8 0%, #089a94 100%);

  --bg-page:       linear-gradient(135deg, #0d2033 0%, #0d1f2d 100%);
  --bg-card:       rgba(30, 41, 59, 0.7);
  --bg-sidebar:    #0d1f2d;
  --bg-topbar:     #0d1f2d;
  --bg-input:      rgba(15, 23, 42, 0.8);
  --bg-hover:      #1e293b;
  --bg-badge:      #1e293b;

  --text-primary:   #f5e6e1;
  --text-secondary: #a8948f;
  --text-muted:     #806b66;
  --text-sidebar:   #a8948f;
  --text-sidebar-active: #0abfb8;

  --border-color:   #1e293b;
  --border-input:   #334155;
  --shadow-card:    0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.2);
  --shadow-card-hover: 0 10px 30px rgba(10,191,184,.15);
}

/* "?"? Dark Mode Variables (Template 3 - Bitcotasks Red/Yellow Theme) "?"? */
html[data-home-template="3"] body[data-theme="dark"],
html[data-home-template="3"][data-theme="dark"] {
  --brand-primary:   #f97316; /* Orange */
  --brand-secondary: #e8294a; /* Red */
  --brand-accent:    #f5a800; /* Yellow */
  --brand-gradient:  linear-gradient(135deg, #e8294a 0%, #ff6b2b 50%, #f5a800 100%);

  --bg-page:       #0d0806;
  --bg-card:       rgba(255,255,255,0.04);
  --bg-sidebar:    #0d0806;
  --bg-topbar:     #0d0806;
  --bg-input:      rgba(0,0,0,0.2);
  --bg-hover:      rgba(255,255,255,0.07);
  --bg-badge:      rgba(255,255,255,0.07);

  --text-primary:   #f0f1f6;
  --text-secondary: #7c8499;
  --text-muted:     #7c8499;
  --text-sidebar:   #7c8499;
  --text-sidebar-active: #ff6b2b;

  --border-color:   rgba(255,255,255,0.08);
  --border-input:   rgba(255,255,255,0.14);
  --shadow-card:    0 4px 20px rgba(0,0,0,0.2);
  --shadow-card-hover: 0 10px 30px rgba(255,107,43,.15);
}

html[data-home-template="3"] body[data-theme="dark"]::before {
    content: '';
    position: fixed; inset: 0; z-index: -1;
    background:
      radial-gradient(ellipse 70% 50% at 10% 20%, rgba(232,41,74,0.14) 0%, transparent 60%),
      radial-gradient(ellipse 55% 40% at 90% 10%, rgba(255,107,43,0.12) 0%, transparent 55%),
      radial-gradient(ellipse 60% 50% at 50% 95%, rgba(245,158,11,0.09) 0%, transparent 60%),
      radial-gradient(ellipse 45% 35% at 80% 55%, rgba(232,41,74,0.08) 0%, transparent 50%);
    pointer-events: none;
}



/* ── Base Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.6;
  zoom: 0.9; /* Shrink UI by 10% globally as requested */
  transition: background-color .3s ease, color .3s ease;
}

a { text-decoration: none; color: var(--brand-primary); }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ── Layout ─────────────────────────────────────────── */
.vf-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────── */
.vf-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  box-shadow: var(--shadow-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.vf-sidebar::-webkit-scrollbar { width: 4px; }
.vf-sidebar::-webkit-scrollbar-track { background: transparent; }
.vf-sidebar::-webkit-scrollbar-thumb { background: #334155; border-radius: 2px; }

.vf-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  text-decoration: none;
}

.vf-sidebar-brand img {
  height: 38px;
  width: auto;
}

.vf-sidebar-brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.3px;
}

.vf-sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #475569;
  padding: 16px 20px 6px;
}

.vf-sidebar-nav { list-style: none; padding: 8px 0; flex: 1; }

.vf-sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-sidebar);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

.vf-sidebar-nav li a:hover,
.vf-sidebar-nav li a.active {
  color: var(--text-sidebar-active);
  background: rgba(255,255,255,.07);
}

.vf-sidebar-nav li a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 28px;
  background: var(--brand-primary);
  border-radius: 0 2px 2px 0;
}

.vf-sidebar-nav li a i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  opacity: .8;
}

.vf-nav-badge {
  margin-left: auto;
  background: var(--brand-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.vf-nav-badge.success { background: var(--brand-secondary); }
.vf-nav-badge.warning { background: #f59e0b; }
.vf-nav-badge.danger  { background: #ef4444; }
.vf-nav-badge.hot     { background: #ef4444; }

/* Sub-menu */
.vf-sub-menu { list-style: none; display: none; background: var(--bg-hover); }
.vf-sub-menu.open { display: block; }
.vf-sub-menu li a {
  padding: 8px 20px 8px 48px;
  font-size: 13px;
  color: var(--text-secondary);
}
.vf-sub-menu li a:hover { color: var(--text-primary); background: transparent; }
.vf-has-sub > a .vf-arrow {
  margin-left: auto;
  transition: transform .2s;
  font-style: normal;
}
.vf-has-sub.open > a .vf-arrow { transform: rotate(90deg); }

/* ── Main Area ───────────────────────────────────────── */
.vf-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ──────────────────────────────────────────── */
.vf-topbar {
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color);
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
  gap: 12px;
  transition: background .3s ease, border-color .3s ease;
}

.vf-topbar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 18px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.vf-topbar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.vf-topbar-spacer { flex: 1; }

.vf-topbar-actions { display: flex; align-items: center; gap: 8px; }

/* Theme Toggle */
.vf-theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 4px 10px 4px 6px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font);
}
.vf-theme-toggle:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

.vf-toggle-knob {
  width: 32px;
  height: 18px;
  background: #cbd5e1;
  border-radius: 9px;
  position: relative;
  transition: background .3s;
}
.vf-toggle-knob::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  transition: transform .3s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
[data-theme="dark"] .vf-toggle-knob { background: var(--brand-primary); }
[data-theme="dark"] .vf-toggle-knob::after { transform: translateX(14px); }

/* Notification Button */
.vf-notif-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 18px;
  transition: var(--transition);
}
.vf-notif-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.vf-notif-badge {
  position: absolute;
  top: 4px; right: 4px;
  width: 16px; height: 16px;
  background: #ef4444;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* User Dropdown */
.vf-user-menu { position: relative; }
.vf-user-btn {
  display: flex; align-items: center; gap: 10px;
  background: none; border: none; cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.vf-user-btn:hover { background: var(--bg-hover); }
.vf-user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
}
.vf-user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.vf-user-dropdown {
  position: absolute;
  right: 0; top: calc(100% + 8px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
  min-width: 180px;
  padding: 8px;
  display: none;
  z-index: 200;
}
.vf-user-dropdown.open { display: block; }
.vf-user-dropdown a {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  transition: var(--transition);
}
.vf-user-dropdown a:hover { background: var(--bg-hover); color: var(--text-primary); }
.vf-user-dropdown a.danger { color: #ef4444; }
.vf-user-dropdown a.danger:hover { background: #fef2f2; color: #dc2626; }
.vf-dropdown-divider { height: 1px; background: var(--border-color); margin: 4px 0; }

/* Notifications Dropdown */
.vf-notif-dropdown {
  position: absolute;
  right: 0; top: calc(100% + 8px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
  width: 340px;
  display: none;
  z-index: 200;
}
.vf-notif-dropdown.open { display: block; }
.vf-notif-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}
.vf-notif-list { max-height: 300px; overflow-y: auto; }
.vf-notif-item {
  display: flex; gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.vf-notif-item:last-child { border-bottom: none; }
.vf-notif-item:hover { background: var(--bg-hover); }
.vf-notif-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
}
.vf-notif-icon.primary { background: #dbeafe; color: var(--brand-primary); }
.vf-notif-icon.success { background: #d1fae5; color: var(--brand-secondary); }
.vf-notif-icon.danger  { background: #fee2e2; color: #ef4444; }
.vf-notif-icon.info    { background: #e0f2fe; color: #0284c7; }
.vf-notif-text { font-size: 13px; color: var(--text-secondary); line-height: 1.4; }
.vf-notif-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── Page Content ────────────────────────────────────── */
.vf-page {
  flex: 1;
  padding: 24px;
}

.vf-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.vf-page-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.vf-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  list-style: none;
  font-size: 12.5px;
  color: var(--text-muted);
}
.vf-breadcrumb li::after { content: '›'; margin-left: 6px; }
.vf-breadcrumb li:last-child::after { display: none; }
.vf-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.vf-breadcrumb a:hover { color: var(--brand-primary); }
.vf-breadcrumb li:last-child { color: var(--text-primary); font-weight: 500; }

/* Global notification bar */
.vf-global-notice {
  background: linear-gradient(90deg, #fef3c7, #fde68a);
  border-left: 4px solid #f59e0b;
  color: #92400e;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Cards ───────────────────────────────────────────── */
.vf-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: var(--transition), background .3s ease, border-color .3s ease;
  overflow: hidden;
}
.vf-card:hover { box-shadow: var(--shadow-card-hover); }

.vf-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600;
  color: var(--text-primary);
}
.vf-card-body { padding: 20px; }
.vf-card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
}

/* Stat Cards */
.vf-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.vf-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.vf-stat-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }

.vf-stat-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.vf-stat-icon.blue   { background: #dbeafe; color: var(--brand-primary); }
.vf-stat-icon.green  { background: #d1fae5; color: var(--brand-secondary); }
.vf-stat-icon.purple { background: #ede9fe; color: var(--brand-accent); }
.vf-stat-icon.amber  { background: #fef3c7; color: #d97706; }
.vf-stat-icon.rose   { background: #ffe4e6; color: #e11d48; }
.vf-stat-icon.teal   { background: #ccfbf1; color: #0d9488; }

.vf-stat-info {}
.vf-stat-label { font-size: 9px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.vf-stat-value { font-size: 16px; font-weight: 700; color: var(--text-primary); line-height: 1.1; margin: 2px 0 0; }

/* ── Buttons ─────────────────────────────────────────── */
.vf-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  text-decoration: none;
}

.vf-btn-primary {
  background: var(--brand-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .3);
}
.vf-btn-primary:hover { background: #1d4ed8; box-shadow: 0 6px 16px rgba(37,99,235,.4); transform: translateY(-1px); color: #fff; text-decoration: none; }

.vf-btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.vf-btn-secondary:hover { background: var(--border-color); text-decoration: none; }

.vf-btn-success { background: var(--brand-secondary); color: #fff; box-shadow: 0 4px 12px rgba(16,185,129,.3); }
.vf-btn-success:hover { background: #059669; box-shadow: 0 6px 16px rgba(16,185,129,.4); transform: translateY(-1px); color: #fff; text-decoration: none; }

.vf-btn-danger { background: #ef4444; color: #fff; box-shadow: 0 4px 12px rgba(239,68,68,.3); }
.vf-btn-danger:hover { background: #dc2626; transform: translateY(-1px); color: #fff; text-decoration: none; }

.vf-btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-sm); }
.vf-btn-lg { padding: 14px 28px; font-size: 15px; }
.vf-btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-sm); justify-content: center; }

/* ── Tables ─────────────────────────────────────────── */
.vf-table-wrapper { overflow-x: auto; }
.vf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.vf-table thead th {
  background: var(--bg-page);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.vf-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.vf-table tbody tr:last-child { border-bottom: none; }
.vf-table tbody tr:hover { background: var(--bg-hover); }
.vf-table tbody td { padding: 12px 16px; color: var(--text-primary); vertical-align: middle; }

/* ── Badges ─────────────────────────────────────────── */
.vf-badge {
  display: inline-flex; align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}
.vf-badge-primary { background: #dbeafe; color: #1d4ed8; }
.vf-badge-success { background: #d1fae5; color: #065f46; }
.vf-badge-warning { background: #fef3c7; color: #92400e; }
.vf-badge-danger  { background: #fee2e2; color: #991b1b; }
.vf-badge-info    { background: #e0f2fe; color: #075985; }
.vf-badge-gray    { background: var(--bg-hover); color: var(--text-muted); }

/* ── Forms ──────────────────────────────────────────── */
.vf-form-group { margin-bottom: 16px; }
.vf-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.vf-input, .vf-select, .vf-textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}
.vf-input:focus, .vf-select:focus, .vf-textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
  background: var(--bg-card);
}
.vf-textarea { resize: vertical; min-height: 100px; }
.vf-form-help { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Alerts ─────────────────────────────────────────── */
.vf-alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.vf-alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid #10b981; }
.vf-alert-danger  { background: #fee2e2; color: #991b1b; border-left: 4px solid #ef4444; }
.vf-alert-warning { background: #fef3c7; color: #92400e; border-left: 4px solid #f59e0b; }
.vf-alert-info    { background: #e0f2fe; color: #075985; border-left: 4px solid #0284c7; }

/* ── Footer ─────────────────────────────────────────── */
.vf-footer {
  background: var(--bg-topbar);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.vf-footer a { color: var(--text-muted); text-decoration: none; }
.vf-footer a:hover { color: var(--brand-primary); }

/* ── Grid Helpers ────────────────────────────────────── */
.vf-grid { display: grid; gap: 20px; }
.vf-grid-2 { grid-template-columns: repeat(2, 1fr); }
.vf-grid-3 { grid-template-columns: repeat(3, 1fr); }
.vf-grid-4 { grid-template-columns: repeat(4, 1fr); }
.vf-flex { display: flex; gap: 16px; align-items: center; }
.vf-flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 992px) {
  .vf-sidebar { transform: translateX(-100%); }
  .vf-sidebar.open { transform: translateX(0); }
  .vf-main { margin-left: 0; }
  .vf-grid-3, .vf-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .vf-grid-2, .vf-grid-3, .vf-grid-4 { grid-template-columns: 1fr; }
  .vf-page { padding: 16px; }
  .vf-stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Sidebar Overlay (mobile) ────────────────────────── */
.vf-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}
.vf-overlay.open { display: block; }

/* ── Custom scrollbar for main ───────────────────────── */
.vf-main::-webkit-scrollbar { width: 6px; }
.vf-main::-webkit-scrollbar-track { background: transparent; }
.vf-main::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* ── Progress Bar ───────────────────────────────────── */
.vf-progress {
  height: 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  overflow: hidden;
}
.vf-progress-bar {
  height: 100%;
  background: var(--brand-gradient);
  border-radius: 4px;
  transition: width .5s ease;
}

/* ── Level Badge ─────────────────────────────────────── */
.vf-level-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--brand-gradient);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}