:root {
    --surface: #101419;
    --surface-dim: #101419;
    --surface-bright: #353940;
    --surface-container-lowest: #0a0e14;
    --surface-container-low: #181c22;
    --surface-container: #1c2026;
    --surface-container-high: #262a30;
    --surface-container-highest: #31353b;
    --on-surface: #dfe2eb;
    --on-surface-variant: #c6c6cb;
    --inverse-surface: #dfe2eb;
    --inverse-on-surface: #2d3137;
    --outline: #909095;
    --outline-variant: #45474b;
    --primary: #c6c6cc;
    --on-primary: #2f3035;
    --primary-container: #0f1115;
    --on-primary-container: #7b7c82;
    --secondary: #c1c7cf;
    --secondary-container: #41474e;
    --on-secondary-container: #afb6bd;
    --tertiary: #adc6ff;
    --on-tertiary: #002e69;
    --tertiary-container: #00102d;
    --on-tertiary-container: #0078fb;
    --ignition-blue: #007aff;
    --ignition-blue-hover: #0066d4;
    --error: #ffb4ab;
    --error-container: #93000a;
    --success: #4ade80;
    --warning: #fbbf24;
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    --font-display: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --max-width: 1440px;
    --gutter: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--surface);
    color: var(--on-surface);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    margin: 0 0 0.5em;
    color: var(--on-surface);
}

a { color: var(--tertiary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--on-surface); }

img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.display-lg { font-size: clamp(40px, 5vw, 64px); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.display-md { font-size: clamp(32px, 4vw, 48px); font-weight: 700; line-height: 1.15; }
.headline-lg { font-size: 32px; font-weight: 600; line-height: 1.3; }
.headline-sm { font-size: 24px; font-weight: 600; line-height: 1.4; }
.body-lg { font-size: 18px; line-height: 1.6; }
.body-md { font-size: 16px; line-height: 1.6; }
.label-caps {
    font-size: 12px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
    color: var(--on-surface-variant);
}
.stats-number { font-size: 28px; font-weight: 700; line-height: 1; letter-spacing: -0.01em; }

.muted { color: var(--on-surface-variant); }
.small { font-size: 14px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-primary {
    background: var(--ignition-blue);
    color: #fff;
    border-color: var(--ignition-blue);
}
.btn-primary:hover { background: var(--ignition-blue-hover); border-color: var(--ignition-blue-hover); color: #fff; }
.btn-secondary {
    background: var(--surface-container-high);
    color: var(--on-surface);
    border-color: var(--outline-variant);
}
.btn-secondary:hover { background: var(--surface-container-highest); color: var(--on-surface); }
.btn-ghost {
    background: transparent;
    color: var(--on-surface);
    border-color: var(--outline-variant);
}
.btn-ghost:hover { background: var(--surface-container-low); color: var(--on-surface); }
.btn-sm { padding: 8px 16px; font-size: 12px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-danger { background: var(--error-container); color: var(--error); border-color: var(--error-container); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--on-surface-variant); }
.form-control, .form-select, textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    color: var(--on-surface);
    font-family: var(--font-body);
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus, textarea:focus {
    outline: none;
    border-color: var(--ignition-blue);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}
textarea { min-height: 120px; resize: vertical; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23c6c6cb'%3E%3Cpath d='M6 9L1 4h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }

/* Cards */
.card {
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.card-glass {
    background: rgba(38, 42, 48, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
}

/* Tables */
.table-wrap { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th, .data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.data-table th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--on-surface-variant);
    background: var(--surface-container-low);
}
.data-table tr:hover td { background: var(--surface-container-low); }

/* Status chips */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.chip-success { background: rgba(74,222,128,0.12); color: var(--success); }
.chip-warning { background: rgba(251,191,36,0.12); color: var(--warning); }
.chip-info { background: rgba(0,122,255,0.12); color: var(--ignition-blue); }
.chip-error { background: rgba(255,180,171,0.12); color: var(--error); }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius);
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    color: var(--on-surface);
    font-size: 14px;
    font-weight: 600;
}
.page-btn:hover { background: var(--surface-container-high); color: var(--on-surface); }
.page-btn.active { background: var(--on-surface); color: var(--surface); border-color: var(--on-surface); }
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

/* Flash */
.flash { padding: 14px 20px; border-radius: var(--radius); margin: 20px 0; font-weight: 500; }
.flash-success { background: rgba(74,222,128,0.12); color: var(--success); border: 1px solid rgba(74,222,128,0.25); }
.flash-error { background: rgba(255,180,171,0.12); color: var(--error); border: 1px solid rgba(255,180,171,0.25); }

/* Grid */
.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    :root { --gutter: 20px; }
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 40px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 40px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; } .gap-2 { gap: 16px; }
.w-full { width: 100%; }