* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}

:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --dark: #111827;
    --gray: #6b7280;
    --light: #f3f4f6;
    --white: #ffffff;
}

body {
    background: #f3f4f6;
    color: var(--dark);
    min-height: 100vh;
}

/* NAVBAR */
.navbar {
    background: var(--primary);
    color: white;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-saldo {
    background: rgba(255,255,255,0.15);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.navbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.navbar-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

/* CONTAINER */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px;
}

.container-admin {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* CARDS */
.card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card-saldo {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-align: center;
    padding: 20px;
}

.card-saldo h2 {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 4px;
}

.card-saldo .monto {
    font-size: 32px;
    font-weight: bold;
}

/* FORMS */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border 0.2s;
}

.form-control:focus {
    border-color: var(--primary);
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
    width: 100%;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-outline { background: white; color: var(--primary); border: 2px solid var(--primary); }

/* LOGIN/REGISTRO */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.auth-box {
    background: white;
    border-radius: 16px;
    padding: 30px 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.auth-logo {
    text-align: center;
    margin-bottom: 24px;
}

.auth-logo .icon { font-size: 48px; }
.auth-logo h1 { font-size: 24px; color: var(--primary); margin-top: 8px; }
.auth-logo p { color: var(--gray); font-size: 14px; margin-top: 4px; }

.auth-links {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

.auth-links a {
    color: var(--primary);
    text-decoration: none;
    display: block;
    margin: 4px 0;
}

/* ALERTAS */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* GRID SORTEOS */
.grid-sorteos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.sorteo-card {
    background: white;
    border-radius: 10px;
    padding: 12px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border-left: 4px solid var(--primary);
}

.sorteo-card .nombre { font-size: 13px; font-weight: 600; }
.sorteo-card .hora { font-size: 18px; font-weight: bold; color: var(--primary); margin: 4px 0; }
.sorteo-card .estado-abierto { color: var(--success); font-size: 12px; font-weight: 600; }
.sorteo-card .estado-cerrado { color: var(--danger); font-size: 12px; font-weight: 600; }

/* SIDEBAR */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: left 0.3s;
    z-index: 200;
    overflow-y: auto;
}

.sidebar.active { left: 0; }

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 150;
}

.sidebar-overlay.active { display: block; }

.sidebar-header {
    background: var(--primary);
    color: white;
    padding: 20px 16px;
}

.sidebar-menu { padding: 12px 0; }

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--dark);
    text-decoration: none;
    font-size: 15px;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover { background: var(--light); border-left-color: var(--primary); }
.sidebar-menu a.active { background: var(--light); border-left-color: var(--primary); color: var(--primary); font-weight: 600; }
.sidebar-divider { height: 1px; background: #e5e7eb; margin: 8px 16px; }

/* TICKETS */
.ticket-item {
    background: white;
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary);
}

.ticket-item.ganador { border-left-color: var(--success); }
.ticket-item.perdedor { border-left-color: var(--danger); opacity: 0.7; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-activo { background: #dbeafe; color: #1e40af; }
.badge-ganador { background: #d1fae5; color: #065f46; }
.badge-perdedor { background: #fee2e2; color: #991b1b; }
.badge-pendiente { background: #fef3c7; color: #92400e; }

/* RESPONSIVE */
@media (min-width: 768px) {
    .container { max-width: 600px; }
}