:root {
    --primary: #ff6b35;
    --secondary: #f7931e;
    --dark: #1a1a1a;
    --light: #f5f5f5;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Header */
.header {
    background: white;
    padding: 1rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    color: var(--primary);
    font-size: 1.5rem;
}

.header .mesa-info {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Tabs */
.tabs {
    display: flex;
    background: white;
    border-bottom: 2px solid var(--light);
    position: sticky;
    top: 73px;
    z-index: 99;
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    background: white;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
}

.tab-btn .badge-count {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.5rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

/* Categorias */
.categorias {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
}

.categoria-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary);
    background: white;
    color: var(--primary);
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap;
    font-weight: 500;
    transition: all 0.3s;
}

.categoria-btn.active {
    background: var(--primary);
    color: white;
}

/* Menu Items */
.menu-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background 0.3s;
}

.menu-item:hover {
    background: #fafafa;
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.menu-item-info {
    flex: 1;
}

.menu-item-info h3 {
    color: var(--dark);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.menu-item-info p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.menu-item-preco {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.badge-destaque {
    background: var(--secondary);
    color: white;
}

/* Botões */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-block {
    width: 100%;
}

/* Carrinho Flutuante */
.carrinho-float {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 99;
}

.carrinho-float .badge-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1.5rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

/* Pedidos (Cozinha) */
.pedido-card {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--warning);
}

.pedido-card.preparando {
    border-left-color: var(--primary);
}

.pedido-card.pronto {
    border-left-color: var(--success);
}

.pedido-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.pedido-numero {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--dark);
}

.pedido-tempo {
    color: #666;
    font-size: 0.9rem;
}

.pedido-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.pedido-item:last-child {
    border-bottom: none;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-pendente {
    background: #fff3cd;
    color: #856404;
}

.status-preparando {
    background: #ffe5d0;
    color: #c74400;
}

.status-pronto {
    background: #d4edda;
    color: #155724;
}

/* Grid para cozinha e caixa */
.grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #999;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Quantidade Selector */
.quantidade-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}

.quantidade-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    background: white;
    color: var(--primary);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantidade-valor {
    font-size: 1.5rem;
    font-weight: bold;
    min-width: 40px;
    text-align: center;
}

/* Checkbox customizado */
.checkbox-group {
    margin: 1rem 0;
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.checkbox-item:hover {
    background: #f9f9f9;
}

.checkbox-item input {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #eee;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }
    
    .menu-item img {
        width: 60px;
        height: 60px;
    }
}