/* ====== AML CHECK - Modern Design System ====== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { height: 100%; min-height: 100vh; }

:root {
  /* Color Palette */
  --bg-1: #050a1a;
  --bg-2: #0a1225;
  --bg-3: #101830;
  --bg-card: rgba(16, 24, 48, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --text: #f0f4ff;
  --text-secondary: #a8b8d8;
  --muted: #6b7c9c;
  --line: rgba(100, 140, 200, 0.2);
  --line-light: rgba(100, 140, 200, 0.1);

  --primary: #3b82f6;
  --primary-light: #60a5fa;
  --primary-dark: #2563eb;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --success: #10b981;
  --success-light: #34d399;
  --warning: #f59e0b;
  --warning-light: #fbbf24;
  --danger: #ef4444;
  --danger-light: #f87171;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);

  /* Typography */
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Consolas, monospace;

  /* Tab height */
  --tab-h: 52px;
}

body {
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.glass-bg {
  background:
    radial-gradient(ellipse 1400px 700px at -5% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 1000px 600px at 105% -10%, rgba(6, 182, 212, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 800px 500px at 50% 100%, rgba(59, 130, 246, 0.08) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  background-attachment: fixed;
}

body.page {
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
}

/* Navbar, buttons, panels */
.navbar { 
  width: 100%; 
  background: rgba(10, 18, 37, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container { 
  max-width: 1280px; 
  margin: 0 auto; 
  padding: var(--space-md) var(--space-lg); 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  gap: var(--space-md);
  flex-wrap: wrap;
}
.logo { 
  font-weight: 800; 
  font-size: 18px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}
.nav-links { 
  display: flex; 
  align-items: center; 
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.nav-link { 
  color: var(--text-secondary); 
  text-decoration: none; 
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  font-weight: 500;
}
.nav-link:hover { 
  color: var(--text);
  background: var(--bg-glass);
}
.chip, .glass-chip { 
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md); 
  border: 1px solid var(--line); 
  border-radius: var(--radius-full); 
  color: var(--text-secondary); 
  background: var(--bg-glass);
  font-size: 13px;
  font-weight: 500;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
}

/* Buttons */
.btn { 
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  border-radius: var(--radius-md); 
  border: 1px solid var(--line); 
  background: var(--bg-card); 
  color: var(--text); 
  padding: var(--space-sm) var(--space-lg); 
  cursor: pointer; 
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn:hover { 
  transform: translateY(-2px); 
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary { 
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)); 
  border: none;
  color: white;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}
.btn-danger { 
  background: linear-gradient(135deg, var(--danger), #dc2626);
  border: none;
  color: white;
}
.btn-danger:hover {
  background: linear-gradient(135deg, var(--danger-light), var(--danger));
}
.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  border: none;
  color: white;
}
.btn-full { width: 100%; }

.container { max-width: 1200px; margin: var(--space-lg) auto; padding: 0 var(--space-md); }
.panel { 
  background: var(--bg-card); 
  border: 1px solid var(--line); 
  border-radius: var(--radius-lg); 
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.footer { 
  max-width: 1280px; 
  margin: var(--space-xl) auto var(--space-lg); 
  padding: var(--space-lg); 
  text-align: center; 
  color: var(--muted); 
  border-top: 1px solid var(--line-light);
  font-size: 13px;
}

/* Index (landing) */
.home-shell { 
  max-width: 1280px; 
  margin: 0 auto; 
  padding: var(--space-2xl) var(--space-lg);
  min-height: calc(100vh - 200px);
}
.home-header { 
  margin: var(--space-lg) 0 var(--space-xl);
  text-align: center;
}
.home-title { 
  font-size: clamp(28px, 5vw, 52px); 
  font-weight: 800; 
  letter-spacing: -0.5px; 
  margin: var(--space-sm) 0;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.home-subtitle { 
  color: var(--text-secondary); 
  font-size: clamp(15px, 2vw, 18px);
  max-width: 700px;
  margin: var(--space-md) auto 0;
  line-height: 1.7;
}

.features { 
  margin-top: var(--space-xl); 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: var(--space-lg);
}
.feature-card { 
  background: var(--bg-card);
  border: 1px solid var(--line); 
  border-radius: var(--radius-xl); 
  padding: var(--space-xl); 
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover { 
  transform: translateY(-6px); 
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(59, 130, 246, 0.3);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon { 
  font-size: 36px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.1));
  border-radius: var(--radius-lg);
}
.feature-title { 
  margin: 0; 
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
}
.feature-text { 
  margin: 0; 
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.cta-box { 
  margin: var(--space-2xl) 0; 
  padding: var(--space-xl); 
  border: 1px solid var(--line); 
  border-radius: var(--radius-xl); 
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.05));
  backdrop-filter: blur(10px);
}
.cta-inner { 
  max-width: 600px; 
  margin: 0 auto; 
  display: flex;
  gap: var(--space-md);
  align-items: stretch;
}
.cta-input { 
  flex: 1;
  border-radius: var(--radius-full); 
  border: 1px solid var(--line); 
  background: var(--bg-card);
  color: var(--text); 
  padding: var(--space-md) var(--space-xl);
  font-size: 15px;
  outline: none; 
  transition: all 0.3s ease;
}
.cta-input::placeholder {
  color: var(--muted);
}
.cta-input:focus { 
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
.cta-btn { 
  padding: var(--space-md) var(--space-xl); 
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.steps { margin-top: var(--space-2xl); }
.steps-title { 
  font-size: clamp(22px, 3.5vw, 32px); 
  font-weight: 800; 
  letter-spacing: -0.3px; 
  margin: var(--space-md) 0 var(--space-lg);
  text-align: center;
}
.steps-grid { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: var(--space-lg);
}
.step-card { 
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--line); 
  border-radius: var(--radius-lg); 
  padding: var(--space-lg);
  transition: all 0.3s ease;
}
.step-card:hover { 
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-md);
}
.step-badge { 
  width: 48px; 
  height: 48px;
  min-width: 48px;
  border-radius: 50%; 
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: var(--bg-1);
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}
.step-content { flex: 1; }
.step-content h4 { 
  margin: 0 0 var(--space-xs); 
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
}
.step-content p { 
  margin: 0; 
  color: var(--text-secondary);
  font-size: 13px;
}

/* Auth */
.auth-shell { 
  width: 100%;
  max-width: 560px;
  margin: var(--space-2xl) auto; 
  padding: 0 var(--space-md);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: calc(100vh - 300px);
}
.auth-card { 
  width: 100%;
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.auth-header { 
  text-align: center; 
  margin-bottom: var(--space-lg);
}
.auth-header h1 { 
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-header p { 
  margin: var(--space-xs) 0 0; 
  color: var(--text-secondary); 
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.auth-tabs { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: var(--space-sm); 
  margin: var(--space-md) 0 var(--space-lg);
}
.auth-tab { 
  padding: var(--space-md); 
  border-radius: var(--radius-md); 
  border: 1px solid var(--line);
  background: var(--bg-glass);
  color: var(--text-secondary); 
  cursor: pointer; 
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.25s ease;
}
.auth-tab:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
}
.auth-tab.active { 
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.15));
  border-color: var(--primary);
  color: var(--text);
}
.auth-form { 
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.input-row { 
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-glass);
  transition: all 0.25s ease;
}
.input-row:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.input-icon { 
  width: 24px;
  text-align: center;
  font-size: 18px;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.input-row input { 
  flex: 1;
  border: none; 
  outline: none; 
  background: transparent; 
  color: var(--text); 
  padding: var(--space-md) var(--space-xs);
  font-size: 15px;
  font-family: inherit;
}
.input-row input::placeholder {
  color: var(--muted);
}
.auth-note { 
  margin-top: var(--space-lg); 
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.hidden { display: none !important; }

/* Dashboard */
.dashboard { 
  max-width: 1280px; 
  margin: var(--space-lg) auto; 
  padding: 0 var(--space-md); 
  display: grid; 
  grid-template-columns: 260px 1fr; 
  gap: var(--space-lg);
  min-height: calc(100vh - 200px);
}

.sidebar { 
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  height: fit-content;
  position: sticky;
  top: 80px;
}

.menu-item {
  -webkit-appearance: none; 
  appearance: none; 
  font: inherit;
  line-height: 1.4;
  width: 100%;
  min-height: var(--tab-h);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  font-weight: 600;
  font-size: 14px;
}
.menu-item:hover { 
  background: var(--bg-glass);
  color: var(--text);
}
.menu-item.active { 
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.1));
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--text);
}

.content { 
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.section { display: none; }
.section.active { display: block; }
.section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text);
}

.status { 
  padding: var(--space-md); 
  border-radius: var(--radius-md); 
  border: 1px solid var(--line); 
  background: var(--bg-glass);
  font-weight: 600;
}
.status.verified { 
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-light);
}
.status.pending { 
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-light);
}

.alert { 
  padding: var(--space-lg); 
  border: 1px solid var(--line); 
  border-radius: var(--radius-md); 
  background: var(--bg-glass);
}
.alert.success { 
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-light);
}
.alert.warning { 
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-light);
}
.alert.info { 
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary-light);
}

/* Forms */
.form { 
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.form.two-col { 
  display: grid;
  grid-template-columns: repeat(2, 1fr); 
  gap: var(--space-lg);
}
.form-group { 
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.form-group label { 
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}
.input, 
.form-group input, 
.form-group select, 
.form-group textarea { 
  width: 100%; 
  border: 1px solid var(--line); 
  background: var(--bg-glass);
  color: var(--text); 
  border-radius: var(--radius-md); 
  padding: var(--space-md);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.25s ease;
}
.input:focus, 
.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-group select {
  cursor: pointer;
}
.form-actions { 
  grid-column: 1 / -1; 
  display: flex; 
  justify-content: flex-end; 
  gap: var(--space-md);
  margin-top: var(--space-sm);
}
.file-name { 
  color: var(--muted); 
  font-size: 12px;
}

/* Cards */
.cards { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: var(--space-lg);
}
.card { 
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.25s ease;
}
.card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-md);
}
.card-title { 
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}
.card-amount { 
  font-size: 28px; 
  font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.card-note { 
  color: var(--muted);
  font-size: 13px;
  margin-top: var(--space-sm);
}

/* Admin */
.admin-header { 
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.admin-header h2 {
  margin: 0;
  font-size: 20px;
}
.admin-tools { 
  display: flex; 
  gap: var(--space-md); 
  align-items: center; 
  flex-wrap: wrap;
}
.admin-search { 
  max-width: 360px;
  flex: 1;
}
.admin-tools-grid { 
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.admin-grid-3 { 
  display: grid; 
  grid-template-columns: repeat(3, 1fr); 
  gap: var(--space-md);
}
.admin-table-container { 
  overflow-x: auto; 
  border-radius: var(--radius-md);
}
.table { 
  width: 100%; 
  border-collapse: collapse;
}
.table th, .table td { 
  border: 1px solid var(--line); 
  padding: var(--space-md);
  text-align: left;
}
.table th { 
  background: var(--bg-3);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}
.table td.muted { 
  color: var(--muted); 
  text-align: center;
}
.admin-table { 
  width: 100%; 
  border-collapse: separate; 
  border-spacing: 0;
}
.admin-table thead th { 
  position: sticky; 
  top: 0; 
  background: var(--bg-3);
  color: var(--text);
  z-index: 1;
}
.admin-table tbody tr { 
  transition: background 0.2s ease;
}
.admin-table tbody tr:nth-child(odd) { 
  background: var(--bg-glass);
}
.admin-table tbody tr:hover { 
  background: rgba(59, 130, 246, 0.1);
}

/* Pills / Badges */
.pill { 
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md); 
  border-radius: var(--radius-full); 
  font-weight: 600; 
  font-size: 12px;
  letter-spacing: 0.3px;
}
.pill-ok { 
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.pill-wait { 
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.pill-no { 
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.table .btn { 
  padding: var(--space-sm) var(--space-md); 
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.table .btn + .btn { 
  margin-left: var(--space-sm);
}

/* AML wallet styles */
.wallet-row { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  gap: var(--space-md); 
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}
.wallet-type { 
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--primary-light);
  font-weight: 700;
  font-size: 13px;
}
.wallet-addr { 
  word-break: break-all; 
  background: var(--bg-glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}
.wallet-qr { 
  margin-top: var(--space-sm); 
  display: inline-block; 
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: #ffffff;
  max-width: 100%;
  overflow: hidden;
  line-height: 0;
}
.wallet-qr img, .wallet-qr canvas {
  display: block;
  width: 160px;
  height: auto;
  max-width: 100%;
}

/* ====== RESPONSIVE DESIGN ====== */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .form.two-col { grid-template-columns: 1fr; }
  .admin-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .dashboard { grid-template-columns: 220px 1fr; }
}

/* Tablets */
@media (max-width: 900px) {
  :root {
    --space-lg: 20px;
    --space-xl: 28px;
    --space-2xl: 40px;
  }

  .dashboard { 
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .sidebar { 
    position: static;
    width: 100%;
    padding: var(--space-sm);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
  }
  
  .menu-item { 
    min-height: 48px;
    font-size: 13px;
    padding: var(--space-sm);
    justify-content: center;
    text-align: center;
  }
  
  .admin-grid-3 { grid-template-columns: 1fr; }
  .admin-tools { gap: var(--space-sm); }
  .admin-search { max-width: 100%; }
  
  .nav-container {
    padding: var(--space-sm) var(--space-md);
  }
  
  .nav-links {
    gap: var(--space-xs);
  }
}

/* Small tablets and large phones */
@media (max-width: 768px) {
  .home-shell { 
    padding: var(--space-lg) var(--space-md);
  }
  
  .home-header {
    margin-bottom: var(--space-lg);
  }
  
  .features { 
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .feature-card {
    padding: var(--space-lg);
  }
  
  .steps-grid { 
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .cta-inner { 
    flex-direction: column;
  }
  
  .cta-btn { 
    width: 100%;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .section h2 {
    font-size: 20px;
  }
  
  .table {
    font-size: 13px;
  }
  
  .table th, .table td {
    padding: var(--space-sm);
  }
}

/* Phones */
@media (max-width: 560px) {
  :root {
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
  }

  body {
    font-size: 14px;
  }

  .nav-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
  }
  
  .logo {
    font-size: 16px;
    width: 100%;
    text-align: center;
  }
  
  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    overflow: hidden;
  }
  
  .nav-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: 13px;
  }
  
  .chip, .glass-chip {
    padding: var(--space-xs) var(--space-sm);
    font-size: 12px;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
  }

  .home-shell { 
    padding: var(--space-md);
  }
  
  .home-title { 
    font-size: 24px;
    line-height: 1.3;
  }
  
  .home-subtitle {
    font-size: 14px;
  }
  
  .feature-card {
    padding: var(--space-md);
  }
  
  .feature-icon {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
  
  .feature-title {
    font-size: 15px;
  }
  
  .step-card {
    padding: var(--space-md);
  }
  
  .step-badge {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 16px;
  }
  
  .cta-box {
    padding: var(--space-md);
  }
  
  .cta-input {
    padding: var(--space-md);
    font-size: 14px;
  }

  .auth-shell {
    margin: var(--space-lg) auto;
    padding: 0 var(--space-sm);
  }
  
  .auth-card { 
    padding: var(--space-md);
  }
  
  .auth-header h1 {
    font-size: 24px;
  }
  
  .auth-tabs { 
    gap: var(--space-xs);
  }
  
  .auth-tab {
    padding: var(--space-sm);
    font-size: 13px;
  }
  
  .input-row { 
    padding: var(--space-xs) var(--space-sm);
  }
  
  .input-row input {
    padding: var(--space-sm) var(--space-xs);
    font-size: 14px;
  }

  .dashboard {
    padding: 0 var(--space-sm);
  }
  
  .sidebar {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--space-xs);
    gap: var(--space-xs);
  }
  
  .menu-item {
    min-height: 44px;
    font-size: 12px;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
  }
  
  .panel {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }
  
  .section h2 {
    font-size: 18px;
    margin-bottom: var(--space-md);
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .card-amount {
    font-size: 22px;
  }
  
  .form.two-col {
    gap: var(--space-md);
  }
  
  .form-group label {
    font-size: 13px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: var(--space-sm);
    font-size: 14px;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions .btn {
    width: 100%;
  }

  .footer {
    padding: var(--space-md);
    margin: var(--space-lg) auto var(--space-sm);
  }
}

/* Extra small phones */
@media (max-width: 380px) {
  .home-title {
    font-size: 20px;
  }
  
  .sidebar {
    grid-template-columns: 1fr 1fr;
  }
  
  .menu-item {
    font-size: 11px;
    gap: var(--space-xs);
  }
  
  .auth-header h1 {
    font-size: 20px;
  }
  
  .card-amount {
    font-size: 18px;
  }
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
  .btn, .menu-item, .auth-tab, .nav-link {
    min-height: 44px;
    touch-action: manipulation;
  }
  
  .input-row input,
  .form-group input,
  .form-group select,
  .form-group textarea,
  .cta-input {
    min-height: 44px;
  }

  /* Prevent double-tap zoom on interactive elements */
  a, button, input, select, textarea, label {
    touch-action: manipulation;
  }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .auth-shell {
    margin: var(--space-sm) auto;
    min-height: auto;
  }
  
  .auth-card {
    padding: var(--space-md);
  }
  
  .home-shell {
    padding: var(--space-sm) var(--space-md);
  }
  
  .home-header {
    margin: var(--space-sm) 0;
  }
}

/* Print styles */
@media print {
  .navbar, .sidebar, .footer, .btn {
    display: none !important;
  }
  
  body, body.glass-bg, body.page {
    background: white !important;
    color: black !important;
  }
  
  .panel, .card {
    border: 1px solid #ccc !important;
    background: white !important;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --line: rgba(255, 255, 255, 0.4);
    --text-secondary: #d0d0d0;
    --muted: #a0a0a0;
  }
  
  .btn, .panel, .card, .input-row, .auth-tab {
    border-width: 2px;
  }
}

/* Utility classes */
.muted { color: var(--muted); }
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }