/* ====================================
   DESIGN SYSTEM - INTEGRADOR WOOCOMMERCE
   Sistema de Design Moderno e Consistente
   ==================================== */

/* ====================================
   1. VARIÁVEIS DE DESIGN
   ==================================== */
:root {
    /* Cores Primárias - Gradiente Moderno */
    --primary-50: #f0f4ff;
    --primary-100: #dbe4ff;
    --primary-200: #bac8ff;
    --primary-300: #91a7ff;
    --primary-400: #748ffc;
    --primary-500: #667eea;
    --primary-600: #5568d3;
    --primary-700: #4c51bf;
    --primary-800: #434190;
    --primary-900: #3c366b;
    /* Cores Secundárias - Roxo Vibrante */
    --secondary-500: #764ba2;
    --secondary-600: #6b4594;
    --secondary-700: #5f3d84;
    /* Neutros - Escala Balanceada */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    /* Estados Semânticos */
    --success-50: #ecfdf5;
    --success-500: #10b981;
    --success-600: #059669;
    --success-700: #047857;
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --error-700: #b91c1c;
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --info-50: #eff6ff;
    --info-500: #3b82f6;
    --info-600: #2563eb;
    --info-700: #1d4ed8;
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
    --gradient-success: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
    --gradient-danger: linear-gradient(135deg, var(--error-500) 0%, var(--error-600) 100%);
    --gradient-dark: linear-gradient(180deg, var(--gray-800) 0%, var(--gray-900) 100%);
    --gradient-light: linear-gradient(to bottom, #ffffff, var(--gray-50));
    /* Cores Semânticas */
    --color-primary: var(--primary-600);
    --color-primary-hover: var(--primary-700);
    --color-primary-light: var(--primary-100);
    --color-bg: var(--gray-50);
    --color-surface: #ffffff;
    --color-text: var(--gray-900);
    --color-text-light: var(--gray-600);
    --color-text-muted: var(--gray-500);
    --color-border: var(--gray-200);
    --color-border-dark: var(--gray-300);
    /* Espaçamento Consistente */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem; /* 8px */
    --spacing-md: 1rem; /* 16px */
    --spacing-lg: 1.5rem; /* 24px */
    --spacing-xl: 2rem; /* 32px */
    --spacing-2xl: 3rem; /* 48px */
    --spacing-3xl: 4rem; /* 64px */
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    /* Sombras Elevadas */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    /* Sombras Coloridas */
    --shadow-primary: 0 8px 16px -4px rgba(102, 126, 234, 0.3);
    --shadow-success: 0 8px 16px -4px rgba(16, 185, 129, 0.3);
    --shadow-danger: 0 8px 16px -4px rgba(239, 68, 68, 0.3);
    /* Transições Suaves */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Courier New', monospace;
    --font-display: 'Poppins', var(--font-sans);
    --text-xs: 0.75rem; /* 12px */
    --text-sm: 0.875rem; /* 14px */
    --text-base: 1rem; /* 16px */
    --text-lg: 1.125rem; /* 18px */
    --text-xl: 1.25rem; /* 20px */
    --text-2xl: 1.5rem; /* 24px */
    --text-3xl: 1.875rem; /* 30px */
    --text-4xl: 2.25rem; /* 36px */
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: var(--gray-900);
        --color-surface: var(--gray-800);
        --color-text: var(--gray-50);
        --color-text-light: var(--gray-300);
        --color-text-muted: var(--gray-400);
        --color-border: var(--gray-700);
        --color-border-dark: var(--gray-600);
    }
}

/* ====================================
   2. RESET E BASE
   ==================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: var(--text-base);
    overflow-x: hidden;
}

/* ====================================
   3. TIPOGRAFIA MODERNA
   ==================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-text);
}

h1 {
    font-size: var(--text-3xl);
    font-weight: 800;
}

h2 {
    font-size: var(--text-2xl);
}

h3 {
    font-size: var(--text-xl);
}

h4 {
    font-size: var(--text-lg);
}

h5, h6 {
    font-size: var(--text-base);
}

p {
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.7;
}

small {
    font-size: var(--text-sm);
}

strong, b {
    font-weight: 600;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    padding: 0.125rem 0.375rem;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    color: var(--primary-700);
}

/* ====================================
   4. LINKS MODERNOS
   ==================================== */
a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

    a:hover {
        color: var(--color-primary-hover);
    }

    a:not(.btn):hover {
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    a:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
        border-radius: var(--radius-sm);
    }

/* ====================================
   5. BOTÕES MODERNOS
   ==================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

    .btn::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }

    .btn:active::before {
        width: 300px;
        height: 300px;
    }

    .btn:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        pointer-events: none;
    }

/* Variantes de Botões */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

    .btn-primary:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: var(--shadow-primary);
    }

    .btn-primary:active:not(:disabled) {
        transform: translateY(0);
    }

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

    .btn-secondary:hover:not(:disabled) {
        background-color: var(--gray-100);
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-sm);
}

    .btn-success:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: var(--shadow-success);
    }

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: var(--shadow-sm);
}

    .btn-danger:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: var(--shadow-danger);
    }

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

    .btn-outline:hover:not(:disabled) {
        background: var(--color-primary);
        color: white;
    }

.btn-ghost {
    background: transparent;
    color: var(--color-text-light);
}

    .btn-ghost:hover:not(:disabled) {
        background: var(--gray-100);
        color: var(--color-text);
    }

/* Tamanhos de Botões */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-base);
}

.btn-icon {
    padding: 0.75rem;
    aspect-ratio: 1;
}

/* Grupo de Botões */
.btn-group {
    display: inline-flex;
    gap: var(--spacing-sm);
}

/* ====================================
   6. FORMULÁRIOS MODERNOS
   ==================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

    .form-label i {
        color: var(--color-primary);
    }

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

    .form-control::placeholder {
        color: var(--color-text-muted);
    }

    .form-control:hover:not(:disabled):not(:focus) {
        border-color: var(--color-border-dark);
    }

    .form-control:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    .form-control:disabled {
        background-color: var(--gray-100);
        cursor: not-allowed;
        opacity: 0.7;
    }

/* Select Moderno */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

/* Estados de Validação */
.form-control.valid.modified:not([type=checkbox]) {
    border-color: var(--success-500);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3e%3cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

.form-control.invalid {
    border-color: var(--error-500) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23ef4444'%3e%3cpath fill-rule='evenodd' d='M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7 4a1 1 0 11-2 0 1 1 0 012 0zm-1-9a1 1 0 00-1 1v4a1 1 0 102 0V6a1 1 0 00-1-1z' clip-rule='evenodd'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

.validation-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--error-600);
    font-weight: 500;
}

/* Checkbox Moderno */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check-input,
.darker-border-checkbox.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    appearance: none;
    background-color: var(--color-surface);
    position: relative;
}

    .form-check-input:hover {
        border-color: var(--color-primary);
    }

    .form-check-input:checked,
    .darker-border-checkbox.form-check-input:checked {
        background-color: var(--color-primary);
        border-color: var(--color-primary);
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3e%3cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3e%3c/svg%3e");
        background-size: 100% 100%;
        background-position: center;
        background-repeat: no-repeat;
    }

    .form-check-input:focus {
        outline: none;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
        border-color: var(--color-primary);
    }

.form-check-label {
    font-size: var(--text-sm);
    cursor: pointer;
    user-select: none;
}

/* ====================================
   7. CARDS E CONTAINERS
   ==================================== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

    .card:hover {
        box-shadow: var(--shadow-md);
    }

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--gradient-light);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--gray-50);
}

/* ====================================
   8. TABELAS MODERNAS
   ==================================== */
.table {
    width: 100%;
    border-collapse: collapse;
}

    .table thead {
        background: var(--gradient-light);
    }

    .table th {
        padding: var(--spacing-md) var(--spacing-lg);
        text-align: left;
        font-weight: 600;
        font-size: var(--text-sm);
        color: var(--color-text);
        border-bottom: 2px solid var(--color-border);
    }

    .table td {
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
    }

    .table tbody tr {
        transition: background-color var(--transition-fast);
    }

        .table tbody tr:hover {
            background-color: rgba(102, 126, 234, 0.05);
        }

/* ====================================
   9. BADGES E PILLS
   ==================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background: var(--success-50);
    color: var(--success-700);
}

.badge-danger {
    background: var(--error-50);
    color: var(--error-700);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-700);
}

/* ====================================
   10. ALERTS
   ==================================== */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.alert-info {
    background: var(--info-50);
    border-left: 4px solid var(--info-500);
    color: var(--info-900);
}

.alert-success {
    background: var(--success-50);
    border-left: 4px solid var(--success-500);
    color: var(--success-900);
}

.alert-warning {
    background: var(--warning-50);
    border-left: 4px solid var(--warning-500);
    color: var(--warning-900);
}

.alert-danger {
    background: var(--error-50);
    border-left: 4px solid var(--error-500);
    color: var(--error-900);
}

/* ====================================
   11. LOADING E SKELETON
   ==================================== */
.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ====================================
   12. UTILITÁRIOS
   ==================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* ====================================
   13. ANIMAÇÕES
   ==================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.slide-in {
    animation: slideIn var(--transition-slow) ease-out;
}

/* ====================================
   14. RESPONSIVIDADE
   ==================================== */
@media (max-width: 768px) {
    :root {
        --text-3xl: 1.75rem;
        --text-2xl: 1.5rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
    }

    .card-body {
        padding: var(--spacing-lg);
    }
}

/* ====================================
   15. ACESSIBILIDADE
   ==================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visível para navegação por teclado */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove outline para mouse */
:focus:not(:focus-visible) {
    outline: none;
}