/* ============================================
   LotoQuant - Sistema de Análise de Loterias
   ============================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-card-hover: #1f2b3d;
    --border-color: #2d3748;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --accent-orange: #f97316;
    --sidebar-width: 260px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* SIDEBAR */
#sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.nav-menu {
    list-style: none;
    padding: 12px 0;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.2s;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
    border-right: 3px solid var(--accent-primary);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.badge {
    background: var(--accent-red);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: auto;
}

.badge.hidden {
    display: none;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    outline: none;
}

.sidebar-footer select:focus {
    border-color: var(--accent-primary);
}

/* MAIN CONTENT */
#main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h2 {
    font-size: 26px;
    font-weight: 700;
}

.jogo-tag {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* CARDS */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card.accent {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* CHARTS */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* BUTTONS */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-small {
    padding: 6px 14px;
    font-size: 12px;
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* FORMS */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent-primary);
}

.form-group small {
    font-size: 11px;
    color: var(--text-muted);
}

/* NUMEROS GRID (ranking visual) */
.numeros-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.numero-ball {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    position: relative;
    cursor: default;
    transition: transform 0.2s;
}

.numero-ball:hover {
    transform: scale(1.15);
}

.numero-ball .score-tag {
    position: absolute;
    bottom: -6px;
    font-size: 9px;
    background: var(--bg-primary);
    padding: 1px 5px;
    border-radius: 8px;
    color: var(--text-muted);
}

.numero-ball.hot {
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: white;
}

.numero-ball.warm {
    background: linear-gradient(135deg, #f59e0b, #eab308);
    color: #1a1a1a;
}

.numero-ball.neutral {
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.numero-ball.cold {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
}

/* RESULTADOS LIST */
.resultados-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.resultado-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.resultado-concurso {
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 80px;
}

.resultado-data {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 90px;
}

.resultado-numeros {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.resultado-numeros .ball {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

.resultado-numeros .ball.trevo {
    background: linear-gradient(135deg, var(--accent-green), #059669);
}

/* PREVISÕES CARDS */
.previsao-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.previsao-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.previsao-score {
    font-size: 20px;
    font-weight: 700;
}

.score-high { color: var(--accent-green); }
.score-mid { color: var(--accent-yellow); }
.score-low { color: var(--accent-red); }

/* ALERTAS */
.alerta-card {
    background: var(--bg-card);
    border-left: 4px solid;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}

.alerta-card.severidade-3 {
    border-left-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.05);
}

.alerta-card.severidade-2 {
    border-left-color: var(--accent-yellow);
    background: rgba(245, 158, 11, 0.05);
}

.alerta-card.severidade-1 {
    border-left-color: var(--accent-primary);
}

.alerta-titulo {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}

.alerta-descricao {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* LOADING */
.loading {
    text-align: center;
    padding: 40px;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-muted);
    font-size: 14px;
}

/* UTILS */
.hidden { display: none !important; }
.mt-20 { margin-top: 20px; }

.info-text {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-controls label {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-controls input {
    width: 60px;
    padding: 6px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    text-align: center;
}

/* FECHAMENTO CARTELAS */
.cartelas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.cartela-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cartela-num {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 13px;
    min-width: 30px;
}

/* FEEDBACK */
.feedback {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 12px;
    font-size: 14px;
}

.feedback.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.feedback.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    #sidebar {
        transform: translateX(-100%);
    }

    #sidebar.open {
        transform: translateX(0);
    }

    #main-content {
        margin-left: 0;
        padding: 16px;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

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

    .form-grid {
        grid-template-columns: 1fr;
    }
}