:root {
  color-scheme: dark;
  --app-bg: #0b1020;
  --surface: #121a2b;
  --surface-2: #182338;
  --surface-3: #202d44;
  --line: rgba(173, 190, 220, .13);
  --text: #e8eef8;
  --muted: #91a0b8;
  --accent: #7c8cff;
  --accent-2: #39d5c3;
  --radius: 16px;
}
html { min-height: 100%; background: var(--app-bg); }
body { min-height: 100vh; background: var(--app-bg) !important; color: var(--text) !important; font-family: Inter, "Segoe UI", system-ui, sans-serif; }
a { color: #aab7ff; text-decoration: none; }
a:hover { color: #d2d8ff; }
.text-muted, .text-secondary { color: var(--muted) !important; }
.text-dark { color: var(--text) !important; }
.container-fluid { padding-left: 0; padding-right: 0; }
.sidebar { min-height: 100vh; background: #10182a !important; border-right: 1px solid var(--line); box-shadow: 8px 0 32px rgba(0,0,0,.16) !important; }
.sidebar h4 { letter-spacing: -.03em !important; font-size: 1.22rem; }
.sidebar h4:before { content: "◈"; display: inline-grid; place-items: center; width: 34px; height: 34px; margin-right: 9px; border-radius: 11px; background: linear-gradient(135deg,var(--accent),#a66cff); color: white; font-size: 19px; vertical-align: middle; }
.sidebar .nav-link { margin: 3px 12px; padding: .78rem .9rem !important; border-radius: 11px; color: #aab6ca !important; transition: background-color .15s ease, color .15s ease; }
.sidebar .nav-link i { font-size: 1.05rem !important; }
.sidebar .nav-link:hover, .sidebar .nav-link:focus { background: #1b2740 !important; color: white !important; transform: none !important; }
.sidebar .border-top { border-color: var(--line) !important; }
.main-content { padding: clamp(1rem, 2.5vw, 2.3rem) !important; background: var(--app-bg) !important; }
h1,h2,h3,h4,h5,h6 { color: var(--text); letter-spacing: -.025em; }
.card, .modal-content { background: var(--surface) !important; color: var(--text); border: 1px solid var(--line) !important; border-radius: var(--radius) !important; box-shadow: 0 10px 32px rgba(0,0,0,.18) !important; }
.card:hover { transform: none !important; box-shadow: 0 10px 32px rgba(0,0,0,.18) !important; }
.card-header { background: var(--surface-2) !important; color: var(--text) !important; border-bottom: 1px solid var(--line) !important; border-radius: var(--radius) var(--radius) 0 0 !important; }
.card-body { color: var(--text); }
.bg-light, .list-group-item, .dropdown-menu, .popover, .toast { background: var(--surface-2) !important; color: var(--text) !important; border-color: var(--line) !important; }
.table { --bs-table-bg: transparent; --bs-table-color: var(--text); --bs-table-hover-bg: rgba(124,140,255,.08); --bs-table-hover-color: var(--text); color: var(--text) !important; background: var(--surface) !important; border-color: var(--line) !important; }
.table thead th { background: #1b2740 !important; color: #cbd5ff !important; border-color: var(--line) !important; }
.table td, .table th { border-color: var(--line) !important; }
.table tbody tr:hover { background: rgba(124,140,255,.07) !important; }
.form-control, .form-select, input, select, textarea { background-color: #0e1728 !important; color: var(--text) !important; border: 1px solid #2b3952 !important; }
.form-control::placeholder, textarea::placeholder { color: #75849c !important; }
.form-control:focus, .form-select:focus, input:focus, textarea:focus { border-color: var(--accent) !important; box-shadow: 0 0 0 .2rem rgba(124,140,255,.18) !important; }
.form-label, label { color: #c8d2e4; }
.form-check-input { background-color: #101a2b; border-color: #50617d; }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.btn { border-radius: 10px; font-weight: 600; transition: filter .15s ease, background-color .15s ease; }
.btn:hover { transform: none !important; box-shadow: none !important; filter: brightness(1.1); }
.btn-primary { background: linear-gradient(135deg,#6679f5,#8b5cf6) !important; border: 0 !important; color: white !important; }
.btn-secondary { background: #2a3851 !important; border: 1px solid #3a4a66 !important; color: #e8eef8 !important; }
.btn-success { background: #148f83 !important; border: 0 !important; }
.btn-info { background: #147f98 !important; border: 0 !important; color: white !important; }
.btn-warning { background: #b77a20 !important; border: 0 !important; color: white !important; }
.btn-danger { background: #b84458 !important; border: 0 !important; }
.btn-outline-primary { color: #b7c0ff !important; border-color: #6679f5 !important; }
.btn-outline-secondary { color: #c6d0e1 !important; border-color: #465672 !important; }
.btn-close { filter: invert(1) grayscale(1); }
.dropdown-menu { border: 1px solid var(--line) !important; border-radius: 12px; box-shadow: 0 14px 35px rgba(0,0,0,.35); }
.dropdown-item { color: var(--text) !important; }
.dropdown-item:hover, .dropdown-item:focus { background: var(--surface-3) !important; }
.dropdown-divider { border-color: var(--line) !important; }
.modal-header, .modal-footer { border-color: var(--line) !important; }
.modal-backdrop.show { opacity: .72; }
.alert { background: var(--surface-2); color: var(--text); border: 1px solid var(--line); }
.alert-info { background: rgba(20,127,152,.18) !important; color: #b7edf4 !important; }
.alert-success { background: rgba(20,143,131,.18) !important; color: #a6eee2 !important; }
.alert-warning { background: rgba(183,122,32,.2) !important; color: #ffe0a3 !important; }
.alert-danger { background: rgba(184,68,88,.2) !important; color: #ffc1ca !important; }
.badge { color: white; }
.page-link { background: var(--surface-2) !important; color: #cbd5ff !important; border-color: var(--line) !important; }
.page-item.active .page-link { background: var(--accent) !important; color: white !important; border-color: var(--accent) !important; }
.pagination-nav { color: var(--muted); }
.sticky-footer-panel { background: rgba(18,26,43,.96) !important; color: var(--text); border-color: var(--accent) !important; box-shadow: 0 -8px 30px rgba(0,0,0,.28) !important; backdrop-filter: blur(12px); }
.price-change-group { background: var(--surface-2) !important; }
hr { border-color: var(--line); opacity: 1; }
code, pre { color: #b9c6ff; }
pre { background: #0e1728; border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
@media (max-width: 767.98px) {
  .sidebar { min-height: auto; }
  .sidebar .nav-link { margin-left: 8px; margin-right: 8px; }
  .main-content { padding: 1rem !important; }
}
.login-card, .register-card { background: var(--surface) !important; color: var(--text) !important; border: 1px solid var(--line); border-radius: 18px !important; box-shadow: 0 22px 70px rgba(0,0,0,.38) !important; }
.login-card h2, .register-card h2 { color: var(--text); }