/* ============================================================
   Cognito Insights Management System - Premium Theme
   Colors: White, Blue, Light Blue, Golden (from neural brain logo)
   ============================================================ */

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

:root {
  /* Primary Palette */
  --primary: #1a4fd4;
  --primary-light: #4d8bf5;
  --primary-dark: #0d2f8a;
  --accent-blue: #60b5f7;
  --accent-cyan: #38d9f5;
  --gold: #d4a843;
  --gold-light: #f0d078;
  --gold-dark: #b08930;

  /* Neutrals — iOS Glass Light */
  --bg: #eef2f7;
  --bg-card: rgba(255,255,255,0.72);
  --bg-sidebar: rgba(245,247,250,0.82);
  --text: #1a1a2e;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --border: rgba(255,255,255,0.45);
  --border-glass: rgba(255,255,255,0.35);
  --shadow: rgba(26,79,212,0.06);
  --shadow-lg: rgba(26,79,212,0.12);

  /* Glass Properties */
  --glass-blur: 20px;
  --glass-bg: rgba(255,255,255,0.55);
  --glass-bg-hover: rgba(255,255,255,0.72);
  --glass-border: 1px solid rgba(255,255,255,0.4);
  --glass-shadow: 0 8px 32px rgba(31,38,135,0.08);
  --glass-shadow-lg: 0 12px 48px rgba(31,38,135,0.15);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,0.6);

  /* Status */
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Sizing */
  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===== Dark Theme — iOS Glass Dark ===== */
[data-theme="dark"] {
  --bg: #080d1a;
  --bg-card: rgba(17,24,39,0.72);
  --bg-sidebar: rgba(7,13,26,0.85);
  --text: #e8ecf4;
  --text-secondary: #9ca3b8;
  --text-muted: #6b7280;
  --border: rgba(255,255,255,0.08);
  --border-glass: rgba(255,255,255,0.06);
  --shadow: rgba(0,0,0,0.25);
  --shadow-lg: rgba(0,0,0,0.45);

  /* Dark Glass */
  --glass-blur: 24px;
  --glass-bg: rgba(17,24,39,0.6);
  --glass-bg-hover: rgba(17,24,39,0.78);
  --glass-border: 1px solid rgba(255,255,255,0.08);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.25);
  --glass-shadow-lg: 0 12px 48px rgba(0,0,0,0.4);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,0.05);
}

/* ===== Light Theme Modal/Popup Text Fixes ===== */
/* Ensure modal text is always readable against the modal background */
.modal { color: var(--text); }
.modal-header h3 { color: var(--text); }
.modal-body { color: var(--text); }
.modal-body label, .modal-body .form-label, .modal-body .form-group label { color: var(--text-secondary) !important; opacity: 1 !important; visibility: visible !important; display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; }
.modal-body p, .modal-body span, .modal-body div { color: var(--text); }
.modal-body h1, .modal-body h2, .modal-body h3, .modal-body h4, .modal-body h5, .modal-body h6 { color: var(--text); }
.modal-footer { color: var(--text); }
.modal-close { color: var(--text-muted); }

/* Fix form controls text in modals & Premium File/Select UI */
.modal .form-control { color: var(--text); background: var(--bg); border: 1px solid rgba(0,0,0,0.15); }
.modal select.form-control { color: var(--text); }
.modal select.form-control option { color: #000; background: #fff; }

[data-theme="dark"] .modal .form-control { background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.15); color: var(--text); }
[data-theme="dark"] .modal select.form-control option { color: #fff; background: #1f2937; }

/* Premium Select Dropdown UI */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}
[data-theme="dark"] select.form-control {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e8ecf4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

/* Premium File Input UI */
input[type="file"].form-control {
  padding: 8px 14px;
  cursor: pointer;
}
input[type="file"].form-control::file-selector-button {
  background: linear-gradient(135deg, var(--primary), var(--accent-blue));
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin-right: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
input[type="file"].form-control::file-selector-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,79,212,0.25);
}
[data-theme="dark"] input[type="file"].form-control::file-selector-button:hover {
  box-shadow: 0 4px 12px rgba(96,181,247,0.3);
}

/* Card text - ensure proper colors */
.card { color: var(--text); }
.card-header h4 { color: var(--text); }
.card-body { color: var(--text); }

/* Data table text */
.data-table td { color: var(--text); }
.data-table tbody tr { color: var(--text); }

/* Stat card text */
.stat-card h3 { color: var(--text); }
.stat-card p { color: var(--text-secondary); }

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 100vh;
  width: 100vw;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
  touch-action: pan-y;
}

body.sidebar-open {
  overflow: hidden;
  touch-action: none; /* FIX: prevent scroll/tap behind sidebar on iOS */
}

/* iOS-style subtle gradient background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(96,181,247,0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(26,79,212,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(212,168,67,0.04) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}
[data-theme="dark"] body::before {
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(96,181,247,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(26,79,212,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(212,168,67,0.02) 0%, transparent 60%);
}

a { text-decoration:none; color:inherit; }
img { max-width:100%; }
button { cursor:pointer; border:none; font-family:inherit; }
input,select,textarea { font-family:inherit; outline:none; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }

/* FIX: Hide sidebar scrollbar — visible on mobile as blue line */
.sidebar::-webkit-scrollbar { width: 0; background: transparent; }
.sidebar { scrollbar-width: none; -ms-overflow-style: none; }

/* ===== Login Page ===== */
.login-wrapper {
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(135deg, #0b1a3e 0%, #1a4fd4 50%, #0b1a3e 100%);
  position:relative;
  overflow:hidden;
}

.login-wrapper::before {
  content:'';
  position:absolute;
  width:600px; height:600px;
  background: radial-gradient(circle, rgba(96,181,247,0.2), transparent 70%);
  top:-200px; right:-100px;
  animation: float 8s ease-in-out infinite;
}

.login-wrapper::after {
  content:'';
  position:absolute;
  width:400px; height:400px;
  background: radial-gradient(circle, rgba(212,168,67,0.15), transparent 70%);
  bottom:-100px; left:-50px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%,100% { transform:translateY(0) rotate(0deg); }
  50% { transform:translateY(-30px) rotate(5deg); }
}

.login-container {
  position:relative; z-index:10;
  width:420px; max-width:90vw;
  background: rgba(255,255,255,0.08);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  backdrop-filter: saturate(180%) blur(28px);
  border:1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: 
    0 25px 80px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.15);
  transform: perspective(800px) rotateY(0deg);
  transition: var(--transition);
}

.login-container:hover {
  transform: perspective(800px) rotateY(2deg) translateY(-4px);
  box-shadow: 
    0 30px 100px rgba(26,79,212,0.25),
    inset 0 1px 0 rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.12);
}

.login-logo {
  display:flex; flex-direction:column; align-items:center;
  margin-bottom:32px;
}

.login-logo img {
  width: 100%;
  max-width: 250px;
  height: auto;
  max-height: 150px;
  object-fit: contain;
  display: block;
  background: linear-gradient(145deg, #ffffff, #e6e6e6);
  border-radius: 16px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  padding: 12px;
  box-shadow: 
    0 10px 25px rgba(0,0,0,0.2), 
    0 0 30px rgba(212,168,67,0.3),
    inset 0 -4px 10px rgba(0,0,0,0.1),
    inset 0 4px 10px rgba(255,255,255,0.8);
  animation: glow 3s ease-in-out infinite;
  transition: var(--transition);
  transform-style: preserve-3d;
}

.login-logo img:hover {
  transform: translateY(-5px) scale(1.05) perspective(600px) rotateX(8deg);
  box-shadow: 
    0 20px 40px rgba(0,0,0,0.3), 
    0 0 50px rgba(212,168,67,0.6),
    inset 0 -4px 10px rgba(0,0,0,0.1);
}

@keyframes glow {
  0%,100% { box-shadow: 0 10px 25px rgba(0,0,0,0.2), 0 0 20px rgba(212,168,67,0.3), inset 0 -4px 10px rgba(0,0,0,0.1); }
  50% { box-shadow: 0 15px 35px rgba(0,0,0,0.3), 0 0 40px rgba(212,168,67,0.6), inset 0 -4px 10px rgba(0,0,0,0.1); }
}

.login-logo h1 {
  font-family:'Outfit',sans-serif;
  font-size:24px; font-weight:700;
  color:#fff; margin-top:16px;
  background: linear-gradient(135deg, #fff 0%, var(--gold-light) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}

.login-logo p { color:rgba(255,255,255,0.6); font-size:14px; }

.login-container .form-group {
  margin-bottom:20px; position:relative;
}

.login-container .form-group label {
  display:block; font-size:13px; font-weight:500;
  color:rgba(255,255,255,0.7); margin-bottom:6px;
}

.login-container .form-group input {
  width:100%; padding:12px 16px;
  background: rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  color:#fff; font-size:14px;
  transition: var(--transition);
}

.login-container .form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(96,181,247,0.2);
  background: rgba(255,255,255,0.12);
}

.login-container .form-group input::placeholder { color:rgba(255,255,255,0.3); }

.login-container .form-group .icon {
  position:absolute; right:14px; top:38px;
  color:rgba(255,255,255,0.4); font-size:18px;
}

.btn-login {
  width:100%; padding:14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
  color:#fff; border:none; border-radius:var(--radius-sm);
  font-size:15px; font-weight:600;
  transition: var(--transition);
  position:relative; overflow:hidden;
}

.btn-login::before {
  content:'';
  position:absolute; top:0; left:-100%; width:100%; height:100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-login:hover::before { left:100%; }
.btn-login:hover {
  transform:translateY(-2px);
  box-shadow: 0 10px 30px rgba(26,79,212,0.4);
}

.login-error {
  background: rgba(239,68,68,0.15);
  border:1px solid rgba(239,68,68,0.3);
  color:#fca5a5; padding:10px 14px;
  border-radius:var(--radius-sm);
  font-size:13px; margin-bottom:16px;
  display:none;
}

.login-error.show { display:block; }

/* ===== Layout ===== */
.app-layout { 
  display:flex; 
  min-height:100vh; 
  width: 100vw;
  max-width: 100vw;
  overflow-x: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w); /* FIX: prevent sidebar from shrinking on resize */
  max-width: var(--sidebar-w); /* FIX: prevent sidebar from growing */
  background: var(--bg-sidebar);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  color: var(--text);
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 100;
  display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease; /* FIX: only transition transform, not width */
  box-shadow: var(--glass-shadow);
  border-right: var(--glass-border);
  overflow-x: hidden;
  overflow-y: auto;
  flex-shrink: 0; /* FIX: prevent flex shrink */
}

.sidebar-brand {
  padding: 8px;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  height: 90px;
}

.sidebar-brand img { 
  width: 100%; 
  height: 100%;
  object-fit: stretch; /* user requested "stretch to fill" */
  display: block;
  background: linear-gradient(145deg, #ffffff, #e6e6e6);
  padding: 2px;
  border-radius: 12px;
  box-shadow: 
    0 4px 15px rgba(0,0,0,0.1),
    inset 0 -3px 8px rgba(0,0,0,0.08),
    inset 0 3px 8px rgba(255,255,255,0.9);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform: perspective(400px) translateZ(0);
}

[data-theme="dark"] .sidebar-brand img {
  background: linear-gradient(145deg, #1a2744, #0d1b36);
  box-shadow: 
    0 4px 15px rgba(0,0,0,0.3),
    inset 0 -3px 8px rgba(0,0,0,0.2),
    inset 0 3px 8px rgba(255,255,255,0.05);
}

.sidebar-brand img:hover {
  transform: scale(1.05) translateY(-2px) perspective(400px) rotateX(5deg);
  box-shadow: 
    0 8px 25px rgba(26,79,212,0.25),
    inset 0 -3px 8px rgba(0,0,0,0.08);
}
.sidebar-brand h2 {
  font-family:'Outfit',sans-serif; font-size:18px; font-weight:700;
  color: var(--text);
}
[data-theme="dark"] .sidebar-brand h2 {
  background: linear-gradient(135deg, #fff, var(--gold-light));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}

.sidebar-nav { flex:1; padding:16px 0; overflow-y:auto; }

.nav-item {
  display:flex; align-items:center; gap:12px;
  padding:12px 20px; margin:2px 8px;
  border-radius:var(--radius-sm);
  color: var(--text-secondary);
  font-size:14px; font-weight:500;
  transition: var(--transition);
  position:relative;
}

.nav-item:hover, .nav-item.active {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--primary);
  box-shadow: var(--glass-inset);
}

[data-theme="dark"] .nav-item:hover, [data-theme="dark"] .nav-item.active {
  color: #fff;
}

.nav-item.active::before {
  content:'';
  position:absolute; left:0; top:8px; bottom:8px;
  width:3px; background: var(--accent-blue);
  border-radius:0 2px 2px 0;
}

.nav-item i { width:20px; text-align:center; font-size:16px; }
.nav-section {
  padding:8px 20px; font-size:11px;
  text-transform:uppercase; letter-spacing:1.5px;
  color: var(--text-muted); margin-top:12px;
}

.nav-badge {
  margin-left:auto;
  background: var(--danger);
  color:#fff; font-size:11px;
  padding:2px 8px; border-radius:10px;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  position: relative;
  width: calc(100vw - var(--sidebar-w)); /* FIX: explicit width so content never overlaps sidebar */
  max-width: calc(100vw - var(--sidebar-w));
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Header — iOS Glass Bar */
.top-header {
  height: var(--header-h);
  background: var(--glass-bg);
  -webkit-backdrop-filter: saturate(180%) blur(var(--glass-blur));
  backdrop-filter: saturate(180%) blur(var(--glass-blur));
  border-bottom: var(--glass-border);
  display:flex; align-items:center;
  justify-content:space-between;
  padding:0 24px;
  position:sticky; top:0; z-index:50;
  box-shadow: var(--glass-inset), 0 1px 3px rgba(0,0,0,0.04);
}

.header-left { display:flex; align-items:center; gap:16px; }
.header-left h3 { font-family:'Outfit',sans-serif; font-size:20px; font-weight:600; }

.header-right { display:flex; align-items:center; gap:16px; }

.theme-toggle {
  width:44px; height:24px;
  background: var(--border);
  border-radius:12px;
  position:relative;
  cursor:pointer;
  transition: var(--transition);
}

.theme-toggle::after {
  content:'';
  width:18px; height:18px;
  background:#fff;
  border-radius:50%;
  position:absolute; top:3px; left:3px;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle {
  background: var(--primary);
}

[data-theme="dark"] .theme-toggle::after {
  left:23px;
}

.user-menu {
  display:flex; align-items:center; gap:10px;
  cursor:pointer; padding:6px 12px;
  border-radius:var(--radius-sm);
  transition: var(--transition);
  position:relative;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--glass-shadow-lg);
  min-width: 180px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown .dropdown-item {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.user-dropdown .dropdown-item:last-child {
  border-bottom: none;
}

.user-dropdown .dropdown-item:hover {
  background: rgba(96,181,247,0.1);
  color: var(--primary);
}

.user-dropdown .dropdown-item.text-danger {
  color: var(--danger);
}

.user-dropdown .dropdown-item.text-danger:hover {
  background: rgba(239,68,68,0.1);
}

.user-menu:hover { background:rgba(96,181,247,0.1); }

.user-menu img {
  width:36px; height:36px;
  border-radius:50%;
  object-fit:cover;
  border:2px solid var(--primary-light);
}

.user-menu span { font-size:14px; font-weight:500; }

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

/* ===== Cards — Glass ===== */
.card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: var(--transition);
  overflow:hidden;
}

.card:hover {
  box-shadow: var(--glass-shadow-lg), var(--glass-inset);
  transform: translateY(-2px);
  background: var(--glass-bg-hover);
}

.card-header {
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center;
  justify-content:space-between;
}

.card-header h4 { font-size:16px; font-weight:600; }
.card-body { padding:20px; }

/* ===== Stats Cards (Dashboard) ===== */
.stats-grid {
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap:20px;
  margin-bottom:24px;
}

.stat-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius);
  padding:24px;
  border: var(--glass-border);
  box-shadow: var(--glass-inset);
  position:relative;
  overflow:hidden;
  transition: var(--transition);
  cursor:pointer;
}

.stat-card::before {
  content:'';
  position:absolute; top:0; left:0; right:0; height:4px;
}

.stat-card:nth-child(1)::before { background: linear-gradient(90deg, var(--primary), var(--accent-blue)); }
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, var(--danger), #f87171); }

.stat-card:hover {
  transform: translateY(-4px) perspective(600px) rotateX(2deg);
  box-shadow: var(--glass-shadow-lg);
  background: var(--glass-bg-hover);
}

.stat-card .stat-icon {
  width:48px; height:48px;
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:22px; color:#fff;
  margin-bottom:16px;
}

.stat-card:nth-child(1) .stat-icon { background: linear-gradient(135deg, var(--primary), var(--accent-blue)); }
.stat-card:nth-child(2) .stat-icon { background: linear-gradient(135deg, var(--success), #34d399); }
.stat-card:nth-child(3) .stat-icon { background: linear-gradient(135deg, var(--gold), var(--gold-light)); }
.stat-card:nth-child(4) .stat-icon { background: linear-gradient(135deg, var(--danger), #f87171); }

.stat-card h3 { font-size:28px; font-weight:700; margin-bottom:4px; }
.stat-card p { color:var(--text-secondary); font-size:13px; }

/* ===== Buttons ===== */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 20px;
  border-radius:var(--radius-sm);
  font-size:14px; font-weight:500;
  transition: var(--transition);
  border:none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color:#fff;
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(26,79,212,0.3); transform:translateY(-1px); }

.btn-success { background: var(--success); color:#fff; }
.btn-danger { background: var(--danger); color:#fff; }
.btn-warning { background: var(--warning); color:#fff; }
.btn-outline {
  background:transparent; color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover { background:var(--primary); color:#fff; }

.btn-sm { padding:6px 14px; font-size:13px; }
.btn-lg { padding:14px 28px; font-size:16px; }

/* ===== Button Animations ===== */
.btn-action-animate {
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-action-animate::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.btn-action-animate:hover::before {
  left: 100%;
}

.btn-action-animate:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(26,79,212,0.25);
}

.btn-action-animate:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 4px 10px rgba(26,79,212,0.15);
}

.btn-warning.btn-action-animate:hover {
  box-shadow: 0 10px 25px rgba(245,158,11,0.3);
}

/* ===== Tables ===== */
.table-responsive { overflow-x:auto; }

.data-table {
  width:100%;
  border-collapse:collapse;
}

.data-table th {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color:#fff;
  padding:14px 16px;
  text-align:left;
  font-size:13px; font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

.data-table td {
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  font-size:14px;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(96,181,247,0.06);
}

/* ===== Badges ===== */
.badge {
  display:inline-flex; align-items:center;
  padding:4px 10px;
  border-radius:20px;
  font-size:12px; font-weight:500;
}

.badge-success { background:rgba(34,197,94,0.1); color:var(--success); }
.badge-danger { background:rgba(239,68,68,0.1); color:var(--danger); }
.badge-warning { background:rgba(245,158,11,0.1); color:var(--warning); }
.badge-info { background:rgba(59,130,246,0.1); color:var(--info); }
.badge-primary { background:rgba(26,79,212,0.1); color:var(--primary); }

/* ===== Forms ===== */
.form-control {
  width:100%; padding:10px 14px;
  border: var(--glass-border);
  border-radius:var(--radius-sm);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color:var(--text);
  font-size:14px;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(26,79,212,0.1);
}

.form-label {
  display:block;
  font-size:13px; font-weight:500;
  color:var(--text-secondary);
  margin-bottom:6px;
}

/* ===== Modal — iOS Glass Sheet ===== */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.35);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter:blur(12px);
  z-index:1000;
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden;
  transition: var(--transition);
}

.modal-overlay.active { opacity:1; visibility:visible; }

.modal {
  background: var(--glass-bg-hover);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  backdrop-filter: saturate(180%) blur(30px);
  border-radius:var(--radius-lg);
  border: var(--glass-border);
  width:500px; max-width:90vw;
  max-height:80vh;
  overflow-y:auto;
  transform:scale(0.9) translateY(20px);
  transition: var(--transition);
  box-shadow: var(--glass-shadow-lg), var(--glass-inset);
}

.modal-overlay.active .modal {
  transform:scale(1) translateY(0);
}

.modal-header {
  padding:20px 24px;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
}

.modal-header h3 { font-size:18px; font-weight:600; }
.modal-close { font-size:20px; color:var(--text-muted); background:none; }
.modal-body { padding:24px; }
.modal-footer {
  padding:16px 24px;
  border-top:1px solid var(--border);
  display:flex; justify-content:flex-end; gap:12px;
}

/* ===== Progress Bars ===== */
.progress-bar {
  height:8px;
  background:var(--border);
  border-radius:4px;
  overflow:hidden;
}

.progress-bar .fill {
  height:100%;
  border-radius:4px;
  background: linear-gradient(90deg, var(--primary), var(--accent-blue));
  transition: width 0.6s ease;
}

/* ===== Chat Styles (Glass) ===== */
.chat-container {
  display:flex; height:calc(100vh - var(--header-h) - 48px);
  border-radius:var(--radius);
  overflow:hidden;
  border: var(--glass-border);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
}

.chat-sidebar {
  width:320px;
  border-right:1px solid var(--border);
  display:flex; flex-direction:column;
}

.chat-sidebar-header {
  padding:16px;
  background:linear-gradient(135deg, var(--primary-dark), var(--primary));
  color:#fff;
}

.chat-list { flex:1; overflow-y:auto; }

.chat-item {
  display:flex; align-items:center; gap:12px;
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  cursor:pointer;
  transition: var(--transition);
}

.chat-item:hover, .chat-item.active {
  background:rgba(96,181,247,0.08);
}

.chat-item img {
  width:44px; height:44px;
  border-radius:50%;
  object-fit:cover;
}

.chat-main { flex:1; display:flex; flex-direction:column; }

.chat-header {
  padding:12px 20px;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:12px;
  background:var(--bg-card);
}

.chat-messages {
  flex:1;
  padding:20px;
  overflow-y:auto;
  background: linear-gradient(180deg, rgba(96,181,247,0.03), var(--bg));
}

.message {
  max-width:65%;
  margin-bottom:12px;
  padding:10px 14px;
  border-radius:var(--radius-sm);
  font-size:14px;
  position:relative;
  animation: msgIn 0.3s ease;
}

@keyframes msgIn {
  from { opacity:0; transform:translateY(10px); }
  to { opacity:1; transform:translateY(0); }
}

.message.sent {
  margin-left:auto;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color:#fff;
  border-bottom-right-radius:4px;
}

.message.received {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-bottom-left-radius:4px;
}

.message .time {
  font-size:11px;
  opacity:0.7;
  text-align:right;
  margin-top:4px;
}

.chat-input {
  padding:12px 16px;
  border-top:1px solid var(--border);
  display:flex; align-items:center; gap:12px;
}

.chat-input input {
  flex:1; padding:10px 16px;
  border:1px solid var(--border);
  border-radius:24px;
  background:var(--bg);
  color:var(--text);
  font-size:14px;
}

.chat-input button {
  width:40px; height:40px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-blue));
  color:#fff;
  display:flex; align-items:center; justify-content:center;
}

/* ===== Animations ===== */
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes slideIn { from { opacity:0; transform:translateX(-20px); } to { opacity:1; transform:translateX(0); } }
@keyframes pulse { 0%,100% { transform:scale(1); } 50% { transform:scale(1.05); } }

.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-slideUp { animation: slideUp 0.5s ease; }
.animate-slideIn { animation: slideIn 0.4s ease; }

/* ===== Watermark ===== */
.watermark {
  position:fixed; bottom:20px; right:20px;
  opacity:0.05; pointer-events:none; z-index:0;
  transition: var(--transition);
}
[data-theme="dark"] .watermark {
  opacity: 0.12;
  filter: drop-shadow(0 0 8px rgba(255,255,255,0.8)) brightness(2);
}
.watermark img {
  width: 250px;
  max-width: 250px;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ===== Full page watermark behind main content ===== */
.main-content::before {
  content: '';
  position: fixed;
  top: 50%;
  left: calc(var(--sidebar-w) + (100% - var(--sidebar-w)) / 2);
  transform: translate(-50%, -50%);
  width: 350px;
  height: 350px;
  background: url('../images/logo.png') center/contain no-repeat;
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
}
[data-theme="dark"] .main-content::before {
  opacity: 0.06;
  filter: brightness(1.5);
}

/* ===== Star Points / Cognito Points System ===== */
.star-points-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.star-points-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
}

.star-points-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 168, 67, 0.15);
}

.star-points-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.star-points-header h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.star-points-header .star-icon {
  color: var(--gold);
  font-size: 22px;
  animation: starPulse 2s ease-in-out infinite;
}

@keyframes starPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px rgba(212,168,67,0.4)); }
  50% { transform: scale(1.15); filter: drop-shadow(0 0 8px rgba(212,168,67,0.8)); }
}

.star-points-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}

.star-points-value .points-number {
  font-family: 'Outfit', sans-serif;
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.star-points-value .points-max {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
}

.star-points-progress {
  position: relative;
  height: 14px;
  background: var(--border);
  border-radius: 7px;
  overflow: hidden;
  margin-bottom: 16px;
}

.star-points-progress .fill {
  height: 100%;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.star-points-progress .fill::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

.star-points-milestones {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  position: relative;
}

.star-points-milestones::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 0; right: 0;
  height: 2px;
  background: var(--border);
}

.milestone {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

.milestone .milestone-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  transition: var(--transition);
}

.milestone.reached .milestone-dot {
  border-color: var(--gold);
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
  box-shadow: 0 0 12px rgba(212,168,67,0.4);
}

.milestone.current .milestone-dot {
  border-color: var(--gold);
  background: var(--bg-card);
  color: var(--gold);
  animation: currentMilestone 1.5s ease-in-out infinite;
}

@keyframes currentMilestone {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212,168,67,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(212,168,67,0.1); }
}

.milestone .milestone-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  max-width: 70px;
  line-height: 1.3;
}

.milestone.reached .milestone-label {
  color: var(--gold);
  font-weight: 600;
}

.star-points-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: rgba(212,168,67,0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(212,168,67,0.1);
  transition: var(--transition);
}

.benefit-item:hover {
  background: rgba(212,168,67,0.1);
  transform: translateX(4px);
}

.benefit-item .benefit-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  flex-shrink: 0;
}

.benefit-item .benefit-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.benefit-item .benefit-text strong {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 2px;
}

.benefit-item.locked {
  opacity: 0.5;
  filter: grayscale(0.5);
}

.benefit-item.locked .benefit-icon {
  background: var(--border);
}

.star-quarter-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(26,79,212,0.06);
  border-radius: var(--radius-sm);
  margin-top: 16px;
  border: 1px solid rgba(26,79,212,0.1);
}

.star-quarter-info i {
  color: var(--primary);
  font-size: 16px;
}

.star-quarter-info span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== Hamburger Toggle Button ===== */
.sidebar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  z-index: 250; /* FIX: above sidebar(200) so hamburger tappable when sidebar open */
}

.sidebar-toggle:hover {
  background: rgba(96,181,247,0.1);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  transform-origin: center;
}

.sidebar-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.sidebar-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.sidebar-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ===== Sidebar Overlay — Glass ===== */
.sidebar-overlay {
  display: block; /* FIX: was 'none' — opacity/visibility transition never fired */
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: 150; /* FIX: was 99 — must be above header(50) and content, below sidebar(200) */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: none; /* FIX: prevent tap-through on mobile */
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ===== Nav Dropdown ===== */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}
.nav-dropdown-arrow {
  margin-left: auto;
  font-size: 11px;
  transition: transform 0.3s ease;
}
.nav-dropdown.open .nav-dropdown-arrow {
  transform: rotate(180deg);
}
.nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1);
}
.nav-dropdown.open .nav-dropdown-menu {
  max-height: 400px;
}
.nav-sub-item {
  padding-left: 48px !important;
  font-size: 13px !important;
}
.nav-sub-item i {
  font-size: 13px !important;
}

/* ===== Document Viewer Styles — Glass ===== */
.doc-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: var(--glass-inset);
}
.doc-card:hover {
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-2px);
  background: var(--glass-bg-hover);
}
.doc-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.doc-icon.offer { background: rgba(34,197,94,0.12); color: var(--success); }
.doc-icon.joining { background: rgba(59,130,246,0.12); color: var(--info); }
.doc-icon.experience { background: rgba(212,168,67,0.12); color: var(--gold); }
.doc-icon.certificate { background: rgba(139,92,246,0.12); color: #8b5cf6; }
.doc-icon.payslip { background: rgba(236,72,153,0.12); color: #ec4899; }
.doc-icon.other { background: rgba(107,114,128,0.12); color: var(--text-muted); }

.doc-info { flex: 1; min-width: 0; }
.doc-info h5 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.doc-info p { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.doc-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* PDF Preview Modal */
.pdf-viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.pdf-viewer-modal.active { opacity: 1; visibility: visible; }
.pdf-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(0,0,0,0.4);
  color: #fff;
}
.pdf-viewer-header h4 { font-size: 16px; font-weight: 600; }
.pdf-viewer-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding: 10px;
}
.pdf-viewer-body iframe,
.pdf-viewer-body embed,
.pdf-viewer-body object {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-sm);
  background: #fff;
}

/* ===== PWA iOS Safe Area Support ===== */
@supports (padding-top: env(safe-area-inset-top)) {
  .top-header {
    padding-top: env(safe-area-inset-top);
    height: calc(var(--header-h) + env(safe-area-inset-top));
  }
  .sidebar {
    padding-top: env(safe-area-inset-top);
  }
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ===== Responsive — Tablet (768px - 1024px) ===== */
@media (max-width:1024px) {
  .sidebar-toggle { display: flex; }

  .sidebar {
    transform: translateX(-100%); /* FIX: completely hidden off screen */
    width: 260px;
    min-width: 260px;
    max-width: 260px;
    box-shadow: none;
    z-index: 200;
  }
  .sidebar.open {
    transform: translateX(0); /* FIX: slide in, no resize */
    box-shadow: 8px 0 30px rgba(0,0,0,0.35);
  }

  .main-content {
    margin-left: 0 !important; /* FIX: full width on mobile, sidebar floats above */
    width: 100vw !important;
    max-width: 100vw !important;
  }
  .main-content::before { left: 50%; }

  .grid-2 { grid-template-columns: 1fr 1fr; gap: 16px; }
  .grid-3 { grid-template-columns: 1fr 1fr; gap: 16px; }

  .user-name-text { display: none; }
  .header-left h3 { font-size: 17px; }
}

/* ===== Responsive — Mobile (max 768px) ===== */
@media (max-width:768px) {
  :root {
    --header-h: 56px;
  }

  .sidebar { width: 280px; }
  
  .top-header { padding: 0 14px; }
  .header-left h3 { font-size: 15px; }
  
  .page-content { padding: 14px; }
  
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 16px; }
  .stat-card h3 { font-size: 22px; }
  .stat-card .stat-icon { width: 40px; height: 40px; font-size: 18px; margin-bottom: 10px; }
  
  .grid-2 { grid-template-columns: 1fr; gap: 14px; }
  .grid-3 { grid-template-columns: 1fr; gap: 14px; }
  
  .card-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .card-body { padding: 14px; }
  
  .data-table { font-size: 13px; }
  .data-table th { padding: 10px 12px; font-size: 11px; }
  .data-table td { padding: 10px 12px; }
  
  /* Modal mobile */
  .modal { max-width: 95vw; max-height: 90vh; margin: 10px; }
  .modal-header { padding: 14px 16px; }
  .modal-body { padding: 16px; }
  .modal-footer { padding: 12px 16px; flex-wrap: wrap; }
  
  /* Buttons mobile touch */
  .btn { padding: 12px 18px; font-size: 14px; min-height: 44px; }
  .btn-sm { padding: 10px 14px; font-size: 13px; min-height: 40px; }
  
  /* Form controls */
  .form-control { padding: 12px 14px; font-size: 16px; /* Prevent iOS zoom */ }
  
  /* Chat */
  .chat-container { height: calc(100vh - var(--header-h) - 28px); flex-direction: column; }
  .chat-sidebar { width: 100%; height: 50%; }
  .chat-main { display: flex; height: 50%; }
  
  .user-name-text { display: none; }
  .user-menu img { width: 32px; height: 32px; }
  
  /* Star Points */
  .star-points-benefits { grid-template-columns: 1fr; }
  .star-points-value .points-number { font-size: 34px; }
  
  /* Watermark */
  .watermark img { width: 150px; }
  .main-content::before { width: 200px; height: 200px; }
  
  /* PDF viewer */
  .pdf-viewer-header { padding: 10px 14px; }
  .pdf-viewer-body { padding: 6px; }
}

/* ===== Responsive — Small Mobile (max 480px) ===== */
@media (max-width:480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 14px; }
  .stat-card h3 { font-size: 20px; }
  
  .sidebar { width: 260px; }
  
  .login-container { padding: 30px 24px; }
  .login-logo img { max-width: 180px; max-height: 120px; }
  
  .star-points-milestones { gap: 4px; }
  .milestone .milestone-label { font-size: 10px; max-width: 55px; }
  .milestone .milestone-dot { width: 24px; height: 24px; font-size: 10px; }
}

/* ===== iOS-Specific Fixes ===== */
@supports (-webkit-touch-callout: none) {
  /* Ultra Premium Full Glass Finish for iOS */
  :root {
    --glass-bg: rgba(255,255,255,0.25);
    --glass-bg-hover: rgba(255,255,255,0.4);
    --glass-blur: 30px;
    --glass-border: 1px solid rgba(255,255,255,0.5);
    --bg-card: rgba(255,255,255,0.4);
    --bg-sidebar: rgba(245,247,250,0.5);
  }
  [data-theme="dark"] {
    --glass-bg: rgba(17,24,39,0.3);
    --glass-bg-hover: rgba(17,24,39,0.5);
    --glass-blur: 35px;
    --glass-border: 1px solid rgba(255,255,255,0.15);
    --bg-card: rgba(17,24,39,0.4);
    --bg-sidebar: rgba(7,13,26,0.4);
  }

  body::before {
    background: 
      radial-gradient(circle at 20% 20%, rgba(96,181,247,0.3) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(26,79,212,0.2) 0%, transparent 50%),
      radial-gradient(circle at 50% 50%, rgba(212,168,67,0.15) 0%, transparent 60%);
    z-index: -1;
  }
  
  /* Smooth scrolling on iOS */
  .sidebar-nav {
    -webkit-overflow-scrolling: touch;
  }
  .page-content {
    -webkit-overflow-scrolling: touch;
  }
  /* Fix iOS input zoom */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  input[type="date"],
  input[type="time"],
  select,
  textarea {
    font-size: 16px !important;
  }
  /* iOS standalone mode fixes */
  body.standalone-ios {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overscroll-behavior: none;
  }
  /* Fix iOS momentum scrolling in modals */
  .modal {
    -webkit-overflow-scrolling: touch;
  }
  
  .card, .stat-card, .top-header, .sidebar, .user-dropdown {
    background: var(--glass-bg) !important;
    backdrop-filter: saturate(200%) blur(var(--glass-blur)) !important;
    -webkit-backdrop-filter: saturate(200%) blur(var(--glass-blur)) !important;
    border: var(--glass-border) !important;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.4) !important;
  }
}

/* ===== Android-Specific Overrides ===== */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .nav-item { padding: 14px 20px; min-height: 48px; }
  .btn { min-height: 48px; }
  .btn-sm { min-height: 44px; }
  
  /* Disable hover effects for touch */
  .card:hover { transform: none; }
  .stat-card:hover { transform: none; }
  .doc-card:hover { transform: none; }
  .benefit-item:hover { transform: none; }
  
  /* Faster transitions */
  :root { --transition: all 0.2s ease; }
}

/* ===== Performance: Reduce animations on low-power ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Touch Action Optimizations ===== */
.nav-item, .btn, .sidebar-toggle, .theme-toggle, .user-menu, .doc-card {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ===== GPU-Accelerated Transforms ===== */
.sidebar, .modal, .card, .stat-card {
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* ===== Dark mode PWA status bar color for Android ===== */
[data-theme="dark"] {
  color-scheme: dark;
}

/* ===== Utility ===== */
.text-center { text-align:center; }
.text-right { text-align:right; }
.mt-1 { margin-top:8px; }
.mt-2 { margin-top:16px; }
.mt-3 { margin-top:24px; }
.mb-1 { margin-bottom:8px; }
.mb-2 { margin-bottom:16px; }
.mb-3 { margin-bottom:24px; }
.d-flex { display:flex; }
.gap-1 { gap:8px; }
.gap-2 { gap:16px; }
.items-center { align-items:center; }
.justify-between { justify-content:space-between; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.d-none { display:none !important; }
.d-block { display:block !important; }

@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
  }
}


/* 3D Loader */
/* FIX: loader-3d hidden — removed loading screen per user request */
.loader-3d { display: none !important; }