/**
 * BINGO PRO V2 - Estilos Mobile
 * Design Mobile-First otimizado para celulares
 * UX para idosos: fontes grandes, botões grandes, alto contraste
 */

:root {
    --primary: #03a9f4;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
    --gold: #ffd700;

    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --bg-dark: #1a1a2e;

    --text-dark: #212121;
    --text-medium: #757575;
    --text-light: #bdbdbd;

    /* Fontes grandes para idosos */
    --font-xxl: 2.5rem;
    --font-xl: 2rem;
    --font-lg: 1.5rem;
    --font-md: 1.25rem;
    --font-sm: 1rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    font-size: var(--font-md);
    line-height: 1.6;
    padding-bottom: 80px; /* Espaço para bottom nav */
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header Mobile */
.mobile-header {
    background: linear-gradient(135deg, var(--primary), #0288d1);
    color: white;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.mobile-header h1 {
    font-size: var(--font-xl);
    margin: 0;
    font-weight: 700;
}

.mobile-header .subtitle {
    font-size: var(--font-sm);
    opacity: 0.9;
}

/* Saldo Card */
.saldo-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
}

.saldo-label {
    font-size: var(--font-sm);
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.saldo-valor {
    font-size: var(--font-xxl);
    font-weight: 900;
    color: var(--primary);
    margin: 0.5rem 0;
}

/* Botões Grandes */
.btn-big {
    display: block;
    width: 100%;
    padding: 1.5rem;
    font-size: var(--font-lg);
    font-weight: 700;
    text-align: center;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin-bottom: 1rem;
    text-decoration: none;
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #0288d1);
}

.btn-primary:active {
    transform: scale(0.98);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #388e3c);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), #ff8c00);
    color: var(--text-dark);
}

.btn-outline {
    background: white;
    border: 3px solid var(--primary);
    color: var(--primary);
}

/* Cards */
.card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card-title {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Cartela de Bingo */
.cartela-container {
    background: white;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin: 1rem 0;
}

.cartela-header {
    text-align: center;
    padding: 1rem;
    background: var(--primary);
    color: white;
    border-radius: 12px 12px 0 0;
    margin: -1rem -1rem 1rem -1rem;
}

.cartela-codigo {
    font-size: var(--font-xl);
    font-weight: 900;
    letter-spacing: 2px;
}

.cartela-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin: 1rem 0;
}

.cartela-numero {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: 700;
    background: #f5f5f5;
    border-radius: 12px;
    border: 3px solid #e0e0e0;
    transition: all 0.3s ease;
}

.cartela-numero.marcado {
    background: var(--success);
    color: white;
    border-color: var(--success);
    transform: scale(0.95);
    animation: pulse 0.5s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Status da Cartela */
.cartela-status {
    text-align: center;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    margin-top: 1rem;
}

.status-acertos {
    font-size: var(--font-xl);
    font-weight: 900;
    color: var(--primary);
}

.status-faltam {
    font-size: var(--font-md);
    color: var(--text-medium);
}

/* Lista de Transações */
.transacao-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    border-left: 4px solid;
}

.transacao-item.deposito {
    border-left-color: var(--success);
}

.transacao-item.compra {
    border-left-color: var(--danger);
}

.transacao-item.premio {
    border-left-color: var(--gold);
}

.transacao-info {
    flex: 1;
}

.transacao-tipo {
    font-size: var(--font-md);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.transacao-data {
    font-size: var(--font-sm);
    color: var(--text-medium);
}

.transacao-valor {
    font-size: var(--font-lg);
    font-weight: 900;
}

.transacao-valor.positivo {
    color: var(--success);
}

.transacao-valor.negativo {
    color: var(--danger);
}

/* Formulários */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: var(--font-md);
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 1.25rem;
    font-size: var(--font-lg);
    border: 3px solid #e0e0e0;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(3, 169, 244, 0.1);
}

/* PIX */
.pix-container {
    text-align: center;
    padding: 2rem;
}

.pix-qrcode {
    max-width: 300px;
    margin: 1rem auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.pix-codigo {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 12px;
    font-family: 'Courier New', monospace;
    font-size: var(--font-sm);
    word-break: break-all;
    margin: 1rem 0;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-around;
    padding: 0.75rem 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-medium);
    padding: 0.5rem;
    transition: all 0.3s ease;
    min-width: 70px;
}

.nav-item.active {
    color: var(--primary);
}

.nav-icon {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 600;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: var(--font-sm);
    font-weight: 700;
    text-transform: uppercase;
}

.badge-success {
    background: #e8f5e9;
    color: var(--success);
}

.badge-warning {
    background: #fff3e0;
    color: var(--warning);
}

.badge-danger {
    background: #ffebee;
    color: var(--danger);
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-medium);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-text {
    font-size: var(--font-lg);
}

/* Toast/Alert */
.toast {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 9999;
    min-width: 300px;
    text-align: center;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translate(-50%, -100px); opacity: 0; }
    to { transform: translate(-50%, 0); opacity: 1; }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

/* Acessibilidade - Touch Targets Mínimos */
button, a, input, select {
    min-height: 48px;
    min-width: 48px;
}

/* Dark Mode (Opcional) */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--bg-dark);
        color: white;
    }

    .card, .cartela-container {
        background: #2d2d2d;
    }

    .form-input {
        background: #2d2d2d;
        border-color: #404040;
        color: white;
    }
}