/* MLB Predictor — Global Styles (Dark Theme) */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    line-height: 1.5;
    min-height: 100vh;
    font-size: 16px;
}

a { color: #60a5fa; text-decoration: none; }
a:hover { color: #93bbfc; }

/* ── Nav ── */
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    height: 52px;
    background: #1e293b;
    border-bottom: 1px solid #334155;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    font-size: 16px;
    color: #f8fafc;
    margin-right: 16px;
    white-space: nowrap;
}

.nav-link {
    padding: 6px 12px;
    font-size: 15px;
    color: #94a3b8;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: #334155; color: #e2e8f0; }
.nav-link.active { background: #334155; color: #60a5fa; font-weight: 600; }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
    padding: 6px 12px;
    font-size: 15px;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 6px;
}
.nav-dropdown-toggle:hover { background: #334155; color: #e2e8f0; }
.nav-dropdown-toggle.active { color: #60a5fa; }
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    min-width: 160px;
    padding: 4px 0;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 15px;
    color: #94a3b8;
}
.nav-dropdown-menu a:hover { background: #334155; color: #e2e8f0; }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-user { font-size: 15px; color: #94a3b8; }
.nav-logout { font-size: 15px; color: #64748b; }
.nav-logout:hover { color: #f87171; }

/* ── Layout ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* ── Cards ── */
.card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}
.card h3 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

/* ── KPI Cards ── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.kpi-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}
.kpi-label { font-size: 14px; color: #64748b; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.kpi-value { font-size: 36px; font-weight: 700; line-height: 1.2; }
.kpi-sub { font-size: 15px; color: #64748b; margin-top: 4px; }

/* ── Buttons ── */
.btn-primary {
    display: inline-block;
    padding: 8px 20px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.btn-primary:hover { background: #2563eb; color: white; }

.btn-secondary {
    display: inline-block;
    padding: 8px 20px;
    background: #334155;
    color: #e2e8f0;
    border: 1px solid #475569;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
}
.btn-secondary:hover { background: #475569; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 15px;
    color: #94a3b8;
    margin-bottom: 4px;
    font-weight: 500;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 10px 12px;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    color: #e2e8f0;
    font-size: 15px;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #3b82f6;
}

/* ── Tables ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th {
    text-align: left;
    font-size: 14px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
    border-bottom: 1px solid #334155;
}
.data-table td {
    padding: 10px 12px;
    font-size: 16px;
    border-bottom: 1px solid #1e293b;
}
.data-table tbody tr:hover { background: rgba(59,130,246,0.05); }

/* ── Colors ── */
.text-green { color: #4ade80; }
.text-red { color: #f87171; }
.text-blue { color: #60a5fa; }
.text-amber { color: #fbbf24; }
.text-gray { color: #64748b; }

/* ── Auth Page ── */
.auth-container {
    max-width: 400px;
    margin: 60px auto;
}
.auth-container h1 { font-size: 24px; margin-bottom: 24px; text-align: center; }
.auth-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: #f87171;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 15px;
    margin-bottom: 16px;
}
.auth-link { text-align: center; margin-top: 16px; font-size: 15px; color: #64748b; }

/* ── Confidence Badges ── */
.badge-high { background: rgba(34,197,94,0.15); color: #4ade80; padding: 2px 8px; border-radius: 4px; font-size: 15px; font-weight: 600; }
.badge-medium { background: rgba(59,130,246,0.15); color: #60a5fa; padding: 2px 8px; border-radius: 4px; font-size: 15px; font-weight: 600; }
.badge-low { background: rgba(251,191,36,0.15); color: #fbbf24; padding: 2px 8px; border-radius: 4px; font-size: 15px; font-weight: 600; }
.badge-coinflip { background: rgba(100,116,139,0.15); color: #94a3b8; padding: 2px 8px; border-radius: 4px; font-size: 15px; font-weight: 600; }

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #64748b;
    font-size: 16px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .main-nav { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 4px; }
    .nav-right { width: 100%; justify-content: flex-end; margin-top: 4px; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .container { padding: 16px 12px; }
}