:root {
    /* Light Mode (Storefront & Landing Pages) */
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --surface-hover: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-color: #6366f1; /* Soft Indigo for light theme */
    --accent-hover: #4f46e5;
    --accent-alt: #818cf8;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-glow: none;
    --glass: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
}

body.sontrak-theme {
    /* Premium Sontrak Dark Mode (Admin Only) */
    --bg-color: #070b19;
    --surface-color: #0f152a;
    --surface-hover: #161e38;
    --text-primary: #ffffff;
    --text-secondary: #8b9bb4;
    --accent-color: #00f2fe; /* Cyan Neon */
    --accent-hover: #4facfe;
    --accent-alt: #bf58ff; /* Purple Neon */
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.15);
    --glass: rgba(15, 21, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 242, 254, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(191, 88, 255, 0.08), transparent 25%);
    background-attachment: fixed;
}

[data-theme="dark"] {
    /* Herda o :root pois agora é Nativo Dark */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Sontrak Typographic Classes */
.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #8b9bb4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-neon {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism Components */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); /* Light shadow default */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

body.sontrak-theme .glass-card {
    background: linear-gradient(145deg, rgba(15,21,42, 0.6) 0%, rgba(7,11,25, 0.8) 100%);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}

.glow-card {
    box-shadow: 0 15px 35px rgba(0,0,0,0.4), 0 0 30px rgba(0, 242, 254, 0.1), inset 0 1px 0 rgba(255,255,255,0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.glow-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 40px rgba(0, 242, 254, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, opacity 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white; /* Storefront light mode default */
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); /* Indigo shadow default */
    border: 1px solid rgba(255,255,255,0.2);
}

body.sontrak-theme .btn-primary {
    color: #070b19; /* High contrast text on cyan */
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-color) 100%);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    color: white;
}

body.sontrak-theme .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
    color: #070b19;
}

/* Form Inputs */
.input-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background-color: var(--surface-color); /* Light mode default */
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

body.sontrak-theme input, body.sontrak-theme select, body.sontrak-theme textarea {
    background-color: rgba(0,0,0,0.2);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); /* Indigo focus glow */
    background-color: var(--surface-color);
}

body.sontrak-theme input:focus, body.sontrak-theme select:focus, body.sontrak-theme textarea:focus {
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
    background-color: rgba(0,0,0,0.4);
}

/* Reset para Checkboxes */
input[type="checkbox"] {
    width: auto;
    min-height: auto;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

@media (max-width: 768px) {
    .container {
        padding: 1.25rem;
    }
    .grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .mobile-hide {
        display: none !important;
    }
    .desktop-only {
        display: none !important;
    }
    .mobile-only {
        display: flex !important;
    }
    h1 {
        font-size: 2rem !important;
    }
    h2 {
        font-size: 1.5rem !important;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    /* Espaço extra para o menu bottom no mobile */
    main, section {
        padding-top: 1.5rem !important;
        padding-bottom: 6rem !important;
    }
    body {
        background-attachment: scroll; /* Performance em mobile */
    }
}

/* Tables */
.table-container {
    overflow-x: auto;
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

th {
    text-align: left;
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    white-space: nowrap;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(99, 102, 241, 0.05);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-danger { background: #fee2e2; color: #991b1b; }

/* Utilitários de Toque */
input, select, textarea, .btn {
    min-height: 48px; /* Altura ideal para toque segundo Google UX */
}

/* Efeito de Scroll Suave */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
.form-grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 1.5rem; }

/* Responsividade para Formulários Grid */
.grid-form-responsive {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .form-grid-2, .form-grid-3, .form-grid-4 {
        grid-template-columns: minmax(0, 1fr);
    }
    .form-grid-2 > *, .form-grid-3 > *, .form-grid-4 > * {
        min-width: 0;
    }
    .grid-form-responsive {
        grid-template-columns: minmax(0, 1fr) !important;
        width: 100%;
        max-width: 100%;
    }
    .grid-form-responsive > * {
        min-width: 0;
    }
}

/* --- ESTILOS PREMIUM DA LOJA --- */

.product-card {
    background: var(--surface-color);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 50px -12px rgba(0,0,0,0.1);
}

.price-pill {
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pill-wholesale {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #166534;
    border: 1px solid rgba(22, 101, 52, 0.1);
}

.pill-box {
    background: linear-gradient(135deg, #fef9c3 0%, #fef08a 100%);
    color: #854d0e;
    border: 1px solid rgba(133, 77, 14, 0.1);
}

.qty-pill-control {
    background: #f1f5f9;
    padding: 4px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.qty-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: white;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: var(--accent-color);
}

.qty-action-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

.qty-action-btn:active { transform: scale(0.9); }

.price-display-main {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(99, 102, 241, 0.01));
    border-radius: 20px;
    padding: 1.25rem;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.btn-buy-now {
    background: linear-gradient(135deg, var(--accent-color), #818cf8);
    color: white;
    padding: 1rem;
    border-radius: 16px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.btn-buy-now:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.5);
}