/* assets/css/style.css */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1f2937;
    --gray: #6b7280;
    --light: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark);
}

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

/* Header */
.header {
    background: var(--white);
    border-radius: var(--radius);
    padding: 15px 20px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.nav {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 1;
}

.nav a {
    text-decoration: none;
    color: var(--gray);
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.85rem;
    white-space: nowrap;
}

.nav a:hover, .nav a.active {
    background: var(--primary);
    color: var(--white);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* Stats */
.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 10px 0;
}

.stat-label {
    opacity: 0.9;
    font-size: 0.95rem;
}

.stat-card.success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.stat-card.warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-input, .form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--light);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #128c7e;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: var(--light);
    padding: 15px;
    text-align: left;
    font-weight: 700;
    color: var(--dark);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table td {
    padding: 15px;
    border-bottom: 1px solid var(--light);
}

.table tr:hover {
    background: rgba(37, 99, 235, 0.03);
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Kits Grid */
.kit-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    border-left: 5px solid var(--primary);
    transition: all 0.3s;
}

.kit-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.kit-card.economico {
    border-left-color: var(--success);
}

.kit-card.alto-consumo {
    border-left-color: var(--danger);
}

.kit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.kit-nome {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
}

.kit-valor {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.kit-detalhes {
    display: grid;
    gap: 10px;
    margin: 15px 0;
}

.kit-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed var(--light);
}

.kit-item:last-child {
    border-bottom: none;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark);
    margin-top: 10px;
    padding-top: 10px;
    border-top: 2px solid var(--light);
}

/* Mensagem WhatsApp */
.whatsapp-box {
    background: #dcf8c6;
    border-radius: var(--radius);
    padding: 20px;
    margin: 20px 0;
    position: relative;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
}

.whatsapp-box::before {
    content: '💬 Preview WhatsApp';
    position: absolute;
    top: -10px;
    left: 20px;
    background: #25d366;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Animações */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: slideIn 0.5s ease-out;
}

/* Responsivo */
@media (max-width: 1024px) {
    .nav a {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .logo {
        font-size: 1.3rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }

    .nav a {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

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

    .stat-value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .header {
        padding: 12px 15px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav a {
        padding: 6px 10px;
        font-size: 0.75rem;
    }

    .card {
        padding: 15px;
    }
}