/**
 * Estilo Principal - Sistema de Cobrança
 */

/* ============================================
   Variáveis CSS
   ============================================ */
:root {
    /* Cores Primárias */
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    
    /* Cores Secundárias */
    --secondary: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;
    
    /* Cores de Status */
    --success: #10b981;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info: #3b82f6;
    --info-dark: #2563eb;
    
    /* Cores Neutras */
    --white: #ffffff;
    --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;
    
    /* Backgrounds */
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 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);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transições */
    --transition: all 0.2s ease;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 64px;
}

/* ============================================
   Reset e Base
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-body);
    color: var(--gray-700);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Utilitários
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }

.bg-primary { background-color: var(--primary); }
.bg-success { background-color: var(--success); }
.bg-warning { background-color: var(--warning); }
.bg-danger { background-color: var(--danger); }
.bg-info { background-color: var(--info); }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

/* ============================================
   Botões
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

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

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

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

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

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    padding: 0.5rem;
    width: 36px;
    height: 36px;
}

.btn-link {
    color: var(--primary);
    padding: 0;
    font-weight: 500;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ============================================
   Formulários
   ============================================ */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background-color: var(--white);
    color: var(--gray-700);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger);
}

.form-group .error-message {
    color: var(--danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}

.col-md-2 { grid-column: span 2; }
.col-md-3 { grid-column: span 3; }
.col-md-4 { grid-column: span 4; }
.col-md-6 { grid-column: span 6; }
.col-md-8 { grid-column: span 8; }
.col-md-12 { grid-column: span 12; }

/* ============================================
   Cards
   ============================================ */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* ============================================
   Tabelas
   ============================================ */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: var(--gray-50);
}

.data-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}

.data-table td {
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background-color: var(--gray-50);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.table-actions .btn-icon {
    width: 32px;
    height: 32px;
    padding: 0.375rem;
}

.table-actions .btn-icon svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

.badge-primary {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.badge-secondary {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--secondary);
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease;
}

.modal-dialog {
    position: relative;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-lg {
    max-width: 700px;
}

.modal-content {
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-600);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: 1.25rem;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem;
    border-top: 1px solid var(--gray-200);
}

/* ============================================
   Animações
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* ============================================
   Responsividade
   ============================================ */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .col-md-2, .col-md-3, .col-md-4, .col-md-6, .col-md-8, .col-md-12 {
        grid-column: span 1;
    }
    
    .data-table {
        font-size: 0.8125rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.625rem 0.75rem;
    }
    
    .table-actions {
        flex-wrap: wrap;
    }
}