/* --- VARIÁVEIS --- */
:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --header-bg: #111827;
    --primary: #00ff88;
    --secondary: #38bdf8;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --border: #334155;
    --accent-red: #ff4757;
    --accent-void: #f1c40f;
    --accent-amber: #f59e0b;
}

/* --- RESET --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
}

a { color: var(--secondary); text-decoration: none; }

/* ============ LOGIN ============ */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 20%, rgba(0, 255, 136, 0.12), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(56, 189, 248, 0.12), transparent 50%),
                var(--bg-main);
}

.login-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
    text-align: center;
}
.login-title span { color: var(--primary); }

.login-sub {
    text-align: center;
    color: var(--text-dim);
    margin: 8px 0 28px;
}

.login-form { display: flex; flex-direction: column; gap: 8px; }
.login-form label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-top: 8px;
}
.login-form input {
    background: #0f172a;
    border: 1px solid var(--border);
    color: white;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
}
.login-form input:focus { border-color: var(--primary); outline: none; }

.login-form button {
    background: var(--primary);
    color: #000;
    font-weight: 800;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 18px;
    transition: transform 0.1s;
}
.login-form button:hover { transform: translateY(-1px); }
.login-form button:disabled { opacity: 0.6; cursor: not-allowed; }

.login-error {
    color: var(--accent-red);
    font-size: 0.9rem;
    min-height: 18px;
    margin-top: 8px;
    text-align: center;
}

/* ============ HEADER ============ */
header {
    background: var(--header-bg);
    padding: 16px 0 0;
    border-bottom: 3px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.brand { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

h1 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -1px;
}
h1 span { color: var(--primary); }

.top-nav { display: flex; gap: 4px; }
.top-nav a {
    color: var(--text-dim);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: 0.15s;
}
.top-nav a:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }
.top-nav a.active { background: var(--primary); color: #000; }

.user-box { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: 0.15s;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn-primary {
    background: var(--primary);
    color: #000;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 800;
    font-size: 0.85rem;
}
.btn-primary:hover { filter: brightness(1.1); }

.btn-danger {
    background: transparent;
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
}
.btn-danger:hover { background: var(--accent-red); color: white; }

.btn-toggle {
    background: transparent;
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
}

.date-shortcuts {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}
.btn-chip {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: 0.15s;
}
.btn-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============ FILTROS ============ */
.filters-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.filters select,
.filters input {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    outline: none;
}
.filters select:hover,
.filters input:focus { border-color: var(--primary); }

.filters.advanced {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    gap: 14px;
}

.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group > label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 1px;
    font-weight: 700;
}
.range-row { display: flex; gap: 6px; }
.range-row input { width: 80px; }

/* ============ KPI BAR (dashboard) ============ */
.kpi-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.kpi {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
}
.kpi-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    font-weight: 700;
}
.kpi-val {
    font-size: 1.15rem;
    font-weight: 800;
    margin-top: 2px;
}
.kpi-sub {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 2px;
}
.kpi-pos { border-left: 3px solid var(--primary); }
.kpi-neg { border-left: 3px solid var(--accent-red); }
.kpi.big { flex: 1; min-width: 180px; padding: 16px; }
.kpi.big .kpi-val { font-size: 1.4rem; }

/* ============ GRID DE CARDS ============ */
main { max-width: 1400px; margin: 0 auto; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    padding: 24px 20px;
}

.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 18px;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 12px;
}
.br-info { display: flex; flex-direction: column; }
.br-info .label {
    font-size: 10px;
    font-weight: bold;
    color: var(--primary);
    letter-spacing: 1px;
}
.br-info .val { font-size: 1.1rem; font-weight: 700; }
.eu-info {
    font-size: 10px;
    color: var(--text-dim);
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 8px;
    border-radius: 4px;
}

.match-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: center;
    padding: 10px 0;
    gap: 10px;
}
.team {
    flex: 1;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin: 4px 0;
    word-wrap: break-word;
}
.score-row { flex: 0 0 80px; margin: 10px 0; }
.vs {
    font-size: 0.7rem;
    font-weight: bold;
    color: var(--text-dim);
    letter-spacing: 2px;
}
.final-score {
    background: var(--primary);
    color: #000;
    padding: 3px 12px;
    border-radius: 6px;
    font-weight: 900;
    font-size: 1.3rem;
    display: inline-block;
}

.tips {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 8px;
    padding: 10px 12px;
    margin: 12px 0;
    border-left: 3px solid var(--primary);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tip-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.tip-label {
    font-size: 10px;
    font-weight: bold;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.tip-value {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 700;
    text-align: right;
    flex: 1;
}
.odd-badge {
    background: rgba(56, 189, 248, 0.15);
    color: var(--secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 6px;
}
.status-badge {
    margin-left: 6px;
    font-size: 0.75rem;
}

.footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-dim);
    padding-top: 10px;
    border-top: 1px solid var(--border);
    gap: 6px;
}
.footer span:first-child {
    max-width: 55%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.diff-badge {
    background: rgba(56, 189, 248, 0.15);
    color: var(--secondary);
    padding: 1px 5px;
    border-radius: 4px;
    margin-left: 4px;
    font-weight: 700;
}

/* Resultados */
.text-green { color: var(--primary) !important; font-weight: 800; }
.text-red { color: var(--accent-red) !important; font-weight: 800; }
.text-void { color: var(--accent-void) !important; font-weight: 800; }
.text-half-green { color: #b9ffd1 !important; font-weight: 800; }
.text-half-red { color: #ff7675 !important; font-weight: 800; }

.card-finished {
    background: #161e2d;
    border-color: var(--border);
}
.card-finished .tips {
    border-left-color: var(--text-dim);
    background: rgba(0, 0, 0, 0.4);
}
.card-finished .tip-value { color: var(--text-dim); }

/* ============ ADMIN ============ */
.admin-main, .backtest-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.card-panel h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-form { display: flex; flex-direction: column; gap: 12px; }
.user-form label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    display: block;
    margin-bottom: 4px;
    font-weight: 700;
}
.user-form input, .user-form select {
    background: #0f172a;
    border: 1px solid var(--border);
    color: white;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    width: 100%;
}
.user-form input:focus, .user-form select:focus { border-color: var(--primary); outline: none; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.users-table th {
    text-align: left;
    padding: 10px 8px;
    background: rgba(0,0,0,0.3);
    color: var(--text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    border-bottom: 2px solid var(--border);
}
.users-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.users-table tr:hover { background: rgba(255,255,255,0.02); }
.users-table.compact { font-size: 0.8rem; }
.users-table.compact td, .users-table.compact th { padding: 6px 8px; }

.actions { display: flex; gap: 4px; flex-wrap: wrap; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-dim);
}
.badge-green { background: rgba(0, 255, 136, 0.15); color: var(--primary); }
.badge-amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.badge-red   { background: rgba(255, 71, 87, 0.15); color: var(--accent-red); }

/* ============ BACKTEST ============ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.chart-wrap {
    width: 100%;
    height: 280px;
    position: relative;
}
.chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.legend {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-dim);
    justify-content: center;
}
.dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
}

/* ============ OTIMIZADOR ============ */
.intro-panel {
    background: linear-gradient(135deg, rgba(0,255,136,0.05), rgba(56,189,248,0.05));
    border-left: 3px solid var(--primary);
}
.intro-panel code {
    background: rgba(0,0,0,0.4);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--secondary);
}

/* ============ RESPONSIVIDADE ============ */
@media (max-width: 768px) {
    .header-content { flex-direction: column; align-items: flex-start; }
    .filters { justify-content: flex-start; }
    .grid { grid-template-columns: 1fr; }
    .top-nav a { font-size: 0.8rem; padding: 4px 8px; }
    .user-box { width: 100%; justify-content: flex-end; }
    .users-table { font-size: 0.75rem; }
    .actions button { font-size: 0.7rem; padding: 4px 6px; }
}