/* =====================================================
   ApexCrypto Exchange — Day & Night Dual Theme System
   ===================================================== */
/* Fonts loaded via HTML <link> for faster parsing — no @import needed */

/* ── Day Mode (Default) ── */
:root, [data-theme="light"] {
  --bg-deep:    #f4f6fb;
  --bg-base:    #ffffff;
  --bg-surface: #ffffff;
  --bg-card:    #ffffff;
  --bg-card2:   #f8fafc;
  --bg-input:   #ffffff;
  --border:     #e2e8f0;
  --border-md:  #cbd5e1;
  --border-glow:rgba(79,70,229,0.25);
  --blue:       #4f46e5;
  --blue-light: #6366f1;
  --cyan:       #0284c7;
  --green:      #059669;
  --green-light:#10b981;
  --red:        #dc2626;
  --amber:      #d97706;
  --purple:     #7c3aed;
  --pink:       #db2777;
  --text-1:     #0f172a; /* Main text dark charcoal */
  --text-2:     #334155; /* Medium text slate */
  --text-3:     #64748b; /* Muted text slate */
  --sidebar-w:  240px;
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --shadow-sm:  0 2px 8px rgba(15,23,42,0.06);
  --shadow-md:  0 8px 24px rgba(15,23,42,0.10);
  --shadow-lg:  0 16px 48px rgba(15,23,42,0.14);
  --shadow-glow:0 0 30px rgba(79,70,229,0.15);
}

/* ── Night Mode (Dark) ── */
[data-theme="dark"] {
  --bg-deep:    #05080f;
  --bg-base:    #090d18;
  --bg-surface: #0e1422;
  --bg-card:    #111827;
  --bg-card2:   #141c2e;
  --bg-input:   rgba(255,255,255,0.04);
  --border:     rgba(255,255,255,0.07);
  --border-md:  rgba(255,255,255,0.12);
  --border-glow:rgba(99,102,241,0.45);
  --blue:       #6366f1;
  --blue-light: #818cf8;
  --cyan:       #06b6d4;
  --green:      #10b981;
  --green-light:#34d399;
  --red:        #ef4444;
  --amber:      #f59e0b;
  --purple:     #8b5cf6;
  --pink:       #ec4899;
  --text-1:     #f1f5f9;
  --text-2:     #94a3b8;
  --text-3:     #64748b;
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow:0 0 30px rgba(99,102,241,0.25);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Outfit', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-1);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.6); }

/* ════════════════════════════════════════
   AUTH SCREEN
   ════════════════════════════════════════ */
.auth-root {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 70% at 15% -10%, rgba(79,70,229,0.10) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 85% 90%,  rgba(2,132,199,0.08) 0%, transparent 50%),
    linear-gradient(170deg, var(--bg-deep) 0%, var(--bg-card2) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  transition: all 0.3s ease;
}

[data-theme="dark"] .auth-root {
  background:
    radial-gradient(ellipse 70% 70% at 15% -10%, rgba(99,102,241,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 85% 90%,  rgba(6,182,212,0.12) 0%, transparent 50%),
    linear-gradient(170deg, #05080f 0%, #090d18 60%, #0e1422 100%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4f46e5, #0284c7, #059669);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

/* ── Logo ── */
.brand-logo {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #4f46e5, #0284c7);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: white;
  box-shadow: 0 6px 20px rgba(79,70,229,0.3);
}

.brand-name {
  background: linear-gradient(135deg, var(--text-1), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
}

/* ── Auth Tabs ── */
.auth-tab-bar {
  display: flex;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}

.auth-tab {
  flex: 1;
  padding: 9px 0;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab.active {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,70,229,0.35);
}

/* ── Demo Login Buttons ── */
.demo-btn {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  background: transparent;
  text-align: center;
}

.demo-btn-user {
  border-color: rgba(79,70,229,0.4);
  color: #4f46e5;
  background: rgba(79,70,229,0.06);
}
.demo-btn-user:hover { background: rgba(79,70,229,0.15); color: #4338ca; }

[data-theme="dark"] .demo-btn-user {
  border-color: rgba(99,102,241,0.5);
  color: #818cf8;
  background: rgba(99,102,241,0.08);
}

.demo-btn-sub {
  border-color: rgba(217,119,6,0.4);
  color: #b45309;
  background: rgba(217,119,6,0.06);
}
.demo-btn-sub:hover { background: rgba(217,119,6,0.15); color: #92400e; }

[data-theme="dark"] .demo-btn-sub {
  border-color: rgba(245,158,11,0.5);
  color: #fbbf24;
  background: rgba(245,158,11,0.08);
}

.demo-btn-admin {
  border-color: rgba(220,38,38,0.4);
  color: #dc2626;
  background: rgba(220,38,38,0.06);
}
.demo-btn-admin:hover { background: rgba(220,38,38,0.15); color: #b91c1c; }

[data-theme="dark"] .demo-btn-admin {
  border-color: rgba(239,68,68,0.5);
  color: #f87171;
  background: rgba(239,68,68,0.08);
}

/* ════════════════════════════════════════
   MAIN LAYOUT — SIDEBAR + CONTENT
   ════════════════════════════════════════ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .sidebar {
  background: linear-gradient(180deg, #0a0f1e 0%, #060b17 100%);
  border-right: 1px solid var(--border);
}

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  padding: 16px 16px 6px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin: 2px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  text-decoration: none;
  user-select: none;
}

.sidebar-nav-item:hover {
  color: var(--blue);
  background: rgba(79,70,229,0.06);
}

.sidebar-nav-item.active {
  background: rgba(79,70,229,0.1);
  border-color: rgba(79,70,229,0.25);
  color: var(--blue);
}

[data-theme="dark"] .sidebar-nav-item.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(6,182,212,0.08));
  border-color: rgba(99,102,241,0.25);
  color: #a5b4fc;
}

.sidebar-nav-item.active .nav-icon { color: var(--blue); }

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border);
}

/* ── Sidebar User Card ── */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-deep);
  transition: background-color 0.3s ease;
  width: calc(100% - var(--sidebar-w));
}

/* ── Top Bar ── */
.topbar {
  height: 60px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .topbar {
  background: rgba(9,13,24,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

/* ── Page Header ── */
.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.3px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 4px;
}

/* ════════════════════════════════════════
   CARDS & STAT CARDS
   ════════════════════════════════════════ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

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

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
}

/* ── Fixed Stat Grid Layout ── */
.stat-grid {
  display: grid;
  gap: 16px;
  width: 100%;
}

.stat-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stat-card:hover {
  border-color: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 16px 16px 0 0;
}

.stat-card.blue::after   { background: linear-gradient(90deg, #4f46e5, #0284c7); }
.stat-card.green::after  { background: linear-gradient(90deg, #059669, #0284c7); }
.stat-card.red::after    { background: linear-gradient(90deg, #dc2626, #d97706); }
.stat-card.amber::after  { background: linear-gradient(90deg, #d97706, #dc2626); }
.stat-card.purple::after { background: linear-gradient(90deg, #7c3aed, #4f46e5); }
.stat-card.cyan::after   { background: linear-gradient(90deg, #0284c7, #059669); }
.stat-card.pink::after   { background: linear-gradient(90deg, #db2777, #7c3aed); }

.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
  background: rgba(79,70,229,0.08);
  color: var(--blue);
}

.stat-card.blue .stat-icon   { background: rgba(79,70,229,0.10); color: #4f46e5; }
.stat-card.green .stat-icon  { background: rgba(5,150,105,0.10); color: #059669; }
.stat-card.red .stat-icon    { background: rgba(220,38,38,0.10); color: #dc2626; }
.stat-card.amber .stat-icon  { background: rgba(217,119,6,0.10); color: #d97706; }
.stat-card.purple .stat-icon { background: rgba(124,58,237,0.10); color: #7c3aed; }
.stat-card.cyan .stat-icon   { background: rgba(2,132,199,0.10); color: #0284c7; }

[data-theme="dark"] .stat-card.blue .stat-icon   { background: rgba(99,102,241,0.15); color: #818cf8; }
[data-theme="dark"] .stat-card.green .stat-icon  { background: rgba(16,185,129,0.15); color: #34d399; }
[data-theme="dark"] .stat-card.red .stat-icon    { background: rgba(239,68,68,0.15); color: #f87171; }
[data-theme="dark"] .stat-card.amber .stat-icon  { background: rgba(245,158,11,0.15); color: #fbbf24; }

.stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--text-1);
}

.stat-change {
  font-size: 11px;
  font-weight: 600;
  margin-top: 6px;
}

/* ════════════════════════════════════════
   TRADE EXECUTION GRID & STICKY BAR
   ════════════════════════════════════════ */
.trade-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
  align-items: start;
}

.sticky-trade-bar {
  position: sticky;
  bottom: 16px;
  z-index: 90;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: slideUp 0.3s ease;
}

/* ════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  outline: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

.btn-primary {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  box-shadow: 0 4px 14px rgba(79,70,229,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(79,70,229,0.4); }

.btn-success {
  background: linear-gradient(135deg, #059669, #10b981);
  color: white;
  box-shadow: 0 4px 14px rgba(5,150,105,0.3);
}
.btn-success:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(5,150,105,0.4); }

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: white;
  box-shadow: 0 4px 14px rgba(220,38,38,0.3);
}
.btn-danger:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(220,38,38,0.4); }

.btn-amber {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  color: white;
  box-shadow: 0 4px 14px rgba(217,119,6,0.3);
}
.btn-amber:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(217,119,6,0.4); }

.btn-ghost {
  background: var(--bg-card2);
  border: 1px solid var(--border-md);
  color: var(--text-1);
  font-weight: 700;
}
.btn-ghost:hover {
  background: var(--border);
  color: var(--blue);
  border-color: var(--blue);
}

.btn-icon {
  width: 34px; height: 34px;
  padding: 0;
  border-radius: 8px;
}

/* ── Theme Switcher Button ── */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-md);
  background: var(--bg-card2);
  color: var(--text-1);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

/* ── Big Trade Buttons ── */
.trade-buy-btn {
  width: 100%;
  padding: 16px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 4px 20px rgba(5,150,105,0.35);
  color: white;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}
.trade-buy-btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(5,150,105,0.45); }
.trade-buy-btn:active { transform: scale(0.98); }

.trade-sell-btn {
  width: 100%;
  padding: 16px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(135deg, #dc2626, #ef4444);
  box-shadow: 0 4px 20px rgba(220,38,38,0.35);
  color: white;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}
.trade-sell-btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(220,38,38,0.45); }
.trade-sell-btn:active { transform: scale(0.98); }

/* ════════════════════════════════════════
   FORM INPUTS
   ════════════════════════════════════════ */
.input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-1);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}

.input::placeholder { color: var(--text-3); }

select.input { cursor: pointer; }

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

.input-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  margin-bottom: 6px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ════════════════════════════════════════
   TABLES
   ════════════════════════════════════════ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 13px 16px;
  color: var(--text-1);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tbody tr:hover td {
  background: var(--bg-card2);
}

.data-table tbody tr:last-child td { border-bottom: none; }

/* ════════════════════════════════════════
   BADGES
   ════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid;
}

.badge-green  { background: rgba(5,150,105,0.12); color: #059669; border-color: rgba(5,150,105,0.25); }
.badge-red    { background: rgba(220,38,38,0.12);  color: #dc2626; border-color: rgba(220,38,38,0.25); }
.badge-amber  { background: rgba(217,119,6,0.12);  color: #d97706; border-color: rgba(217,119,6,0.25); }
.badge-blue   { background: rgba(79,70,229,0.12);  color: #4f46e5; border-color: rgba(79,70,229,0.25); }
.badge-purple { background: rgba(124,58,237,0.12); color: #7c3aed; border-color: rgba(124,58,237,0.25); }
.badge-cyan   { background: rgba(2,132,199,0.12);  color: #0284c7; border-color: rgba(2,132,199,0.25); }
.badge-gray   { background: rgba(100,116,139,0.12);color: #64748b; border-color: rgba(100,116,139,0.25); }

[data-theme="dark"] .badge-green  { background: rgba(16,185,129,0.15); color: #10b981; border-color: rgba(16,185,129,0.3); }
[data-theme="dark"] .badge-red    { background: rgba(239,68,68,0.15);  color: #ef4444; border-color: rgba(239,68,68,0.3); }
[data-theme="dark"] .badge-amber  { background: rgba(245,158,11,0.15); color: #f59e0b; border-color: rgba(245,158,11,0.3); }
[data-theme="dark"] .badge-blue   { background: rgba(99,102,241,0.15); color: #818cf8; border-color: rgba(99,102,241,0.3); }

/* ════════════════════════════════════════
   TOAST NOTIFICATIONS
   ════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s cubic-bezier(0.34,1.56,0.64,1) forwards;
}

.toast-success {
  background: var(--bg-card);
  border-color: #059669;
  color: #059669;
}

.toast-error {
  background: var(--bg-card);
  border-color: #dc2626;
  color: #dc2626;
}

.toast-info {
  background: var(--bg-card);
  border-color: #4f46e5;
  color: #4f46e5;
}

/* ════════════════════════════════════════
   MODAL
   ════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

[data-theme="dark"] .modal-overlay {
  background: rgba(0,0,0,0.75);
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

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

.modal-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-1);
}

/* ════════════════════════════════════════
   PROGRESS BARS & INDICATORS
   ════════════════════════════════════════ */
.progress-track {
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

/* ── Live Dot ── */
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #059669;
  display: inline-block;
  animation: pulseLive 1.4s infinite;
}

/* ════════════════════════════════════════
   TICKER / MARQUEE
   ════════════════════════════════════════ */
.ticker-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease;
}

.ticker-track {
  display: flex;
  gap: 48px;
  animation: tickerScroll 40s linear infinite;
  white-space: nowrap;
}

/* ════════════════════════════════════════
   SECTION TABS
   ════════════════════════════════════════ */
.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
}

.tab-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn.active {
  background: rgba(79,70,229,0.12);
  color: var(--blue);
  border: 1px solid rgba(79,70,229,0.3);
}

.tab-btn:hover:not(.active) { color: var(--text-2); background: rgba(0,0,0,0.03); }

/* ════════════════════════════════════════
   COIN SELECTOR PILLS
   ════════════════════════════════════════ */
.coin-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card2);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 88px;
  white-space: nowrap;
}

.coin-pill:hover { background: var(--border); }

.coin-pill.active {
  background: rgba(79,70,229,0.1);
  border-color: var(--blue);
}

/* ════════════════════════════════════════
   VIP CARD
   ════════════════════════════════════════ */
.vip-card {
  border-radius: 16px;
  padding: 20px;
  border: 1px solid;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.vip-card:hover { transform: translateY(-3px); }

/* ════════════════════════════════════════
   WALLET CARD
   ════════════════════════════════════════ */
.wallet-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* ════════════════════════════════════════
   CHART CONTAINER
   ════════════════════════════════════════ */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* ════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulseLive {
  0%, 100% { box-shadow: 0 0 0 0 rgba(5,150,105,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(5,150,105,0); }
}

@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.animate-fade-in { animation: fadeIn 0.4s ease; }

/* ════════════════════════════════════════
   UTILITY CLASSES
   ════════════════════════════════════════ */
.flex   { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.rounded-full { border-radius: 9999px; }
.font-mono { font-family: 'Fira Code', monospace; }

.grad-text {
  background: linear-gradient(135deg, #4f46e5 0%, #0284c7 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-text-gold {
  background: linear-gradient(135deg, #d97706, #f59e0b, #ea580c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ── Sub-tab navigation ── */
.sub-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.sub-tab {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-3);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sub-tab.active {
  background: rgba(79,70,229,0.1);
  border-color: rgba(79,70,229,0.3);
  color: var(--blue);
}

.sub-tab:hover:not(.active) { color: var(--text-2); background: var(--bg-card2); }

/* ── Search Input ── */
.search-input {
  background: var(--bg-input);
  border: 1px solid var(--border-md);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-1);
  font-size: 12px;
  outline: none;
  transition: all 0.2s ease;
  min-width: 220px;
}
.search-input:focus { border-color: var(--blue); }
.search-input::placeholder { color: var(--text-3); }

/* ════════════════════════════════════════
   MOBILE BOTTOM NAVIGATION BAR & RESPONSIVE
   ════════════════════════════════════════ */
.mobile-bottom-nav {
  display: none;
}

@media (max-width: 1024px) {
  .stat-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trade-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); display: none; }
  .main-content { margin-left: 0; width: 100%; padding-bottom: 76px !important; }
  .stat-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .page-content { padding: 14px 12px; }
  
  /* Sticky Trade Order Bar adjust above Mobile Nav */
  .sticky-trade-bar {
    bottom: 64px !important;
    padding: 10px 14px;
    border-radius: 0;
  }

  /* Table Touch Scroll */
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .data-table {
    min-width: 600px;
  }

  /* Mobile Bottom Navigation Bar */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-md);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    z-index: 1000;
    align-items: center;
    justify-content: space-around;
    padding: 0 4px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    padding: 6px 0;
    color: var(--text-3);
    cursor: pointer;
    gap: 3px;
    transition: all 0.2s ease;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-icon {
    font-size: 20px;
    line-height: 1;
    transition: transform 0.2s ease;
  }

  .mobile-nav-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
  }

  .mobile-nav-item.active {
    color: var(--blue);
  }

  .mobile-nav-item.active .mobile-nav-icon {
    transform: translateY(-2px) scale(1.1);
  }
}

/* =====================================================
   UNIVERSAL MOBILE RESPONSIVE SYSTEM
   ===================================================== */

.responsive-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.responsive-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.responsive-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.responsive-grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 12px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1250;
  animation: fadeIn 0.2s ease;
}

@media (max-width: 1024px) {
  .responsive-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .responsive-grid-3 { grid-template-columns: repeat(2, 1fr) !important; }
  .trade-grid { grid-template-columns: 1fr !important; }
  .trading-chart-container { height: 400px !important; }
}

@media (max-width: 768px) {
  .responsive-grid-2,
  .responsive-grid-3,
  .responsive-grid-4,
  .form-grid-2 {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .sidebar {
    position: fixed !important;
    top: 0 !important; left: 0 !important; bottom: 0 !important;
    z-index: 1300 !important;
    width: 270px !important;
    transform: translateX(-100%) !important;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 0 30px rgba(0,0,0,0.5) !important;
  }

  .sidebar.mobile-open {
    transform: translateX(0) !important;
    display: flex !important;
  }

  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
    padding-bottom: 80px !important;
  }

  .topbar {
    padding: 10px 12px !important;
    gap: 8px !important;
  }

  .page-content {
    padding: 14px 10px !important;
  }

  /* Modals Touch Scroll on Mobile */
  .modal-overlay {
    padding: 12px !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .modal-card, .modal-content {
    width: 100% !important;
    max-width: 96vw !important;
    max-height: 92vh !important;
    padding: 16px 14px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-radius: 14px !important;
  }

  /* Tables Touch Scroll on Mobile */
  .table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-radius: 10px !important;
  }

  .data-table {
    min-width: 600px !important;
    font-size: 11px !important;
  }

  .data-table th, .data-table td {
    padding: 9px 8px !important;
  }

  /* Touch-friendly Buttons on Mobile */
  .btn {
    min-height: 38px !important;
    touch-action: manipulation !important;
  }

  .btn-sm {
    min-height: 30px !important;
    padding: 5px 10px !important;
  }

  /* Sticky Trade Bar on Mobile */
  .sticky-trade-bar {
    position: fixed !important;
    bottom: 64px !important;
    left: 0 !important; right: 0 !important;
    padding: 8px 12px !important;
    border-radius: 0 !important;
    gap: 8px !important;
  }

  /* Sub-tabs Scrolling */
  .sub-tabs {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: 4px !important;
  }

  .sub-tab {
    flex-shrink: 0 !important;
  }
}

@media (max-width: 480px) {
  .stat-grid-4 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
  .stat-grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
  .stat-grid-2 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
  .page-title { font-size: 17px !important; }
  .page-subtitle { font-size: 11px !important; }
  .auth-card { padding: 22px 14px !important; margin: 10px !important; }
  .stat-card { padding: 14px 12px !important; }
  .stat-value { font-size: 20px !important; }
  .trading-chart-container { height: 320px !important; }
}

/* ── Refresh Icon Spin Animation ── */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinning, .spin-icon {
  animation: spin 0.6s linear infinite !important;
}