/* ==========================================================================
   LEDM Design System - Rede Social Automotiva
   Tema: Dark Mode Profissional (Peugeot Azul / Citroën Vermelho)
   ========================================================================== */

/* --- Variáveis Globais --- */
:root {
    /* Cores principais */
    --ds-primary: #3b82f6;
    --ds-primary-hover: #2563eb;
    --ds-primary-light: rgba(59, 130, 246, 0.15);
    --ds-primary-glow: rgba(59, 130, 246, 0.3);

    --ds-accent: #ef4444;
    --ds-accent-hover: #dc2626;
    --ds-accent-light: rgba(239, 68, 68, 0.15);

    --ds-success: #22c55e;
    --ds-success-light: rgba(34, 197, 94, 0.15);
    --ds-warning: #f59e0b;
    --ds-warning-light: rgba(245, 158, 11, 0.15);
    --ds-danger: #ef4444;
    --ds-info: #06b6d4;

    /* Fundos */
    --ds-bg-primary: #0f1419;
    --ds-bg-secondary: #15202b;
    --ds-bg-tertiary: #1c2938;
    --ds-bg-card: #192734;
    --ds-bg-hover: #22303c;
    --ds-bg-input: #1c2938;

    /* Bordas */
    --ds-border: #2f3943;
    --ds-border-light: #38444d;
    --ds-border-focus: var(--ds-primary);

    /* Texto */
    --ds-text-primary: #e7e9ea;
    --ds-text-secondary: #8b98a5;
    --ds-text-tertiary: #6b7280;
    --ds-text-link: var(--ds-primary);
    --ds-text-inverse: #0f1419;

    /* Tipografia */
    --ds-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --ds-font-size-xs: 0.75rem;
    --ds-font-size-sm: 0.8125rem;
    --ds-font-size-base: 0.9375rem;
    --ds-font-size-lg: 1.125rem;
    --ds-font-size-xl: 1.375rem;
    --ds-font-size-2xl: 1.75rem;
    --ds-font-size-3xl: 2.25rem;

    /* Espaçamento */
    --ds-space-1: 0.25rem;
    --ds-space-2: 0.5rem;
    --ds-space-3: 0.75rem;
    --ds-space-4: 1rem;
    --ds-space-5: 1.25rem;
    --ds-space-6: 1.5rem;
    --ds-space-8: 2rem;
    --ds-space-10: 2.5rem;
    --ds-space-12: 3rem;

    /* Bordas arredondadas */
    --ds-radius-sm: 0.375rem;
    --ds-radius-md: 0.5rem;
    --ds-radius-lg: 0.75rem;
    --ds-radius-xl: 1rem;
    --ds-radius-full: 9999px;

    /* Sombras */
    --ds-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --ds-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --ds-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Transições */
    --ds-transition: 150ms ease;
    --ds-transition-slow: 300ms ease;

    /* Marcas */
    --ds-peugeot: #3b82f6;
    --ds-citroen: #ef4444;
}

/* --- Tema Claro --- */
[data-theme="light"] {
    /* Fundos */
    --ds-bg-primary: #f0f2f5;
    --ds-bg-secondary: #ffffff;
    --ds-bg-tertiary: #e4e6eb;
    --ds-bg-card: #ffffff;
    --ds-bg-hover: #f0f2f5;
    --ds-bg-input: #f0f2f5;

    /* Bordas */
    --ds-border: #d1d5db;
    --ds-border-light: #e5e7eb;

    /* Texto */
    --ds-text-primary: #1a1a2e;
    --ds-text-secondary: #4b5563;
    --ds-text-tertiary: #9ca3af;
    --ds-text-inverse: #ffffff;

    /* Sombras mais suaves */
    --ds-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --ds-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --ds-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* --- Reset/Base --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--ds-font-family);
    font-size: var(--ds-font-size-base);
    line-height: 1.5;
    color: var(--ds-text-primary);
    background-color: var(--ds-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--ds-text-link);
    text-decoration: none;
    transition: color var(--ds-transition);
}

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

/* --- Tipografia --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--ds-text-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--ds-space-3);
}

h1 { font-size: var(--ds-font-size-3xl); }
h2 { font-size: var(--ds-font-size-2xl); }
h3 { font-size: var(--ds-font-size-xl); }
h4 { font-size: var(--ds-font-size-lg); }

.text-muted {
    color: var(--ds-text-secondary) !important;
}

/* --- Cards --- */
.ds-card {
    background: var(--ds-bg-card);
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-lg);
    padding: var(--ds-space-6);
    transition: border-color var(--ds-transition), box-shadow var(--ds-transition);
}

.ds-card:hover {
    border-color: var(--ds-border-light);
}

.ds-card-interactive:hover {
    border-color: var(--ds-primary);
    box-shadow: 0 0 0 1px var(--ds-primary-glow);
}

/* --- Botões --- */
.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ds-space-2);
    padding: var(--ds-space-2) var(--ds-space-5);
    font-family: var(--ds-font-family);
    font-size: var(--ds-font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--ds-radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--ds-transition);
    text-decoration: none;
    white-space: nowrap;
}

.ds-btn:focus-visible {
    outline: 2px solid var(--ds-primary);
    outline-offset: 2px;
}

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

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

.ds-btn-accent {
    background: var(--ds-accent);
    color: white;
    border-color: var(--ds-accent);
}

.ds-btn-accent:hover {
    background: var(--ds-accent-hover);
    border-color: var(--ds-accent-hover);
    color: white;
}

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

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

.ds-btn-ghost {
    background: transparent;
    color: var(--ds-text-secondary);
    border-color: transparent;
}

.ds-btn-ghost:hover {
    background: var(--ds-bg-hover);
    color: var(--ds-text-primary);
}

.ds-btn-sm {
    padding: var(--ds-space-1) var(--ds-space-3);
    font-size: var(--ds-font-size-xs);
}

.ds-btn-lg {
    padding: var(--ds-space-3) var(--ds-space-8);
    font-size: var(--ds-font-size-base);
}

.ds-btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--ds-radius-full);
}

.ds-btn-icon.ds-btn-lg {
    width: 44px;
    height: 44px;
}

/* --- Badges --- */
.ds-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--ds-space-1);
    padding: 2px var(--ds-space-2);
    font-size: var(--ds-font-size-xs);
    font-weight: 600;
    border-radius: var(--ds-radius-full);
    line-height: 1.4;
}

.ds-badge-primary {
    background: var(--ds-primary-light);
    color: var(--ds-primary);
}

.ds-badge-accent {
    background: var(--ds-accent-light);
    color: var(--ds-accent);
}

.ds-badge-success {
    background: var(--ds-success-light);
    color: var(--ds-success);
}

.ds-badge-warning {
    background: var(--ds-warning-light);
    color: var(--ds-warning);
}

.ds-badge-peugeot {
    background: rgba(59, 130, 246, 0.15);
    color: var(--ds-peugeot);
}

.ds-badge-citroen {
    background: rgba(239, 68, 68, 0.15);
    color: var(--ds-citroen);
}

.ds-badge-verified {
    background: var(--ds-primary);
    color: white;
}

/* --- Avatares --- */
.ds-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--ds-radius-full);
    object-fit: cover;
    border: 2px solid var(--ds-border);
    background: var(--ds-bg-tertiary);
}

.ds-avatar-sm { width: 32px; height: 32px; }
.ds-avatar-lg { width: 56px; height: 56px; }
.ds-avatar-xl { width: 80px; height: 80px; }
.ds-avatar-2xl { width: 120px; height: 120px; border-width: 3px; }

.ds-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ds-primary-light);
    color: var(--ds-primary);
    font-weight: 700;
    font-size: 1rem;
}

/* --- Inputs --- */
.ds-input {
    width: 100%;
    padding: var(--ds-space-2) var(--ds-space-4);
    font-family: var(--ds-font-family);
    font-size: var(--ds-font-size-base);
    color: var(--ds-text-primary);
    background: var(--ds-bg-input);
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-md);
    transition: border-color var(--ds-transition), box-shadow var(--ds-transition);
}

.ds-input::placeholder {
    color: var(--ds-text-tertiary);
}

.ds-input:focus {
    outline: none;
    border-color: var(--ds-border-focus);
    box-shadow: 0 0 0 3px var(--ds-primary-light);
}

.ds-textarea {
    resize: vertical;
    min-height: 80px;
}

/* --- Barra de busca --- */
.ds-search {
    position: relative;
}

.ds-search-input {
    padding-left: 40px;
    border-radius: var(--ds-radius-full);
    background: var(--ds-bg-tertiary);
    border-color: transparent;
}

.ds-search-input:focus {
    background: var(--ds-bg-input);
    border-color: var(--ds-border-focus);
}

.ds-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ds-text-tertiary);
    font-size: var(--ds-font-size-sm);
}

/* --- Tabs --- */
.ds-tabs {
    display: flex;
    border-bottom: 1px solid var(--ds-border);
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.ds-tabs::-webkit-scrollbar {
    display: none;
}

.ds-tab {
    padding: var(--ds-space-3) var(--ds-space-5);
    font-size: var(--ds-font-size-sm);
    font-weight: 600;
    color: var(--ds-text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--ds-transition);
    white-space: nowrap;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.ds-tab:hover {
    color: var(--ds-text-primary);
    background: var(--ds-bg-hover);
}

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

/* --- Dividers --- */
.ds-divider {
    border: none;
    border-top: 1px solid var(--ds-border);
    margin: var(--ds-space-4) 0;
}

/* --- Stats inline --- */
.ds-stat {
    display: flex;
    align-items: baseline;
    gap: var(--ds-space-1);
}

.ds-stat-value {
    font-weight: 700;
    color: var(--ds-text-primary);
}

.ds-stat-label {
    font-size: var(--ds-font-size-sm);
    color: var(--ds-text-secondary);
}

/* --- Empty State --- */
.ds-empty {
    text-align: center;
    padding: var(--ds-space-12) var(--ds-space-6);
}

.ds-empty-icon {
    font-size: 3rem;
    color: var(--ds-text-tertiary);
    margin-bottom: var(--ds-space-4);
}

.ds-empty-title {
    font-size: var(--ds-font-size-lg);
    font-weight: 600;
    color: var(--ds-text-primary);
    margin-bottom: var(--ds-space-2);
}

.ds-empty-text {
    color: var(--ds-text-secondary);
    margin-bottom: var(--ds-space-6);
}

/* --- Notification dot --- */
.ds-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--ds-radius-full);
    background: var(--ds-accent);
}

.ds-notification-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    background: var(--ds-accent);
    border-radius: var(--ds-radius-full);
}

/* --- Like button --- */
.ds-like-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--ds-space-1);
    padding: var(--ds-space-1) var(--ds-space-2);
    font-size: var(--ds-font-size-sm);
    color: var(--ds-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--ds-radius-md);
    transition: all var(--ds-transition);
}

.ds-like-btn:hover {
    color: var(--ds-accent);
    background: var(--ds-accent-light);
}

.ds-like-btn.liked {
    color: var(--ds-accent);
}

.ds-like-btn.liked i {
    animation: ds-like-pop 0.3s ease;
}

@keyframes ds-like-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* --- Scrollbar custom --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--ds-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--ds-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ds-border-light);
}

/* --- Utilitários --- */
.ds-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ds-line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ds-line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Flash messages override --- */
.ds-alert {
    padding: var(--ds-space-3) var(--ds-space-4);
    border-radius: var(--ds-radius-md);
    border: 1px solid;
    margin-bottom: var(--ds-space-4);
    display: flex;
    align-items: center;
    gap: var(--ds-space-3);
    font-size: var(--ds-font-size-sm);
}

.ds-alert-success {
    background: var(--ds-success-light);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--ds-success);
}

.ds-alert-danger {
    background: var(--ds-accent-light);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--ds-accent);
}

.ds-alert-warning {
    background: var(--ds-warning-light);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--ds-warning);
}

.ds-alert-info {
    background: var(--ds-primary-light);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--ds-primary);
}

.ds-alert .btn-close {
    margin-left: auto;
    filter: invert(1);
    opacity: 0.5;
}

[data-theme="light"] .ds-alert .btn-close {
    filter: none;
}

/* --- Modal overrides --- */
.modal-content {
    background: var(--ds-bg-secondary);
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-lg);
    color: var(--ds-text-primary);
}

.modal-header {
    border-bottom-color: var(--ds-border);
}

.modal-footer {
    border-top-color: var(--ds-border);
}

.modal-title {
    font-weight: 700;
}

.btn-close {
    filter: invert(1);
    opacity: 0.6;
}

[data-theme="light"] .btn-close {
    filter: none;
}

/* --- Scrollbar tema claro --- */
[data-theme="light"] ::-webkit-scrollbar-track {
    background: var(--ds-bg-primary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: var(--ds-border);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: var(--ds-text-tertiary);
}

/* --- Theme toggle button --- */
.ds-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--ds-radius-full);
    border: 1px solid var(--ds-border);
    background: var(--ds-bg-tertiary);
    color: var(--ds-text-secondary);
    cursor: pointer;
    transition: all var(--ds-transition);
    font-size: var(--ds-font-size-sm);
}

.ds-theme-toggle:hover {
    background: var(--ds-bg-hover);
    color: var(--ds-warning);
    border-color: var(--ds-warning);
}

/* --- Form controls override --- */
.form-control {
    background: var(--ds-bg-input);
    border-color: var(--ds-border);
    color: var(--ds-text-primary);
}

.form-control:focus {
    background: var(--ds-bg-input);
    border-color: var(--ds-border-focus);
    color: var(--ds-text-primary);
    box-shadow: 0 0 0 3px var(--ds-primary-light);
}

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

.form-label {
    color: var(--ds-text-primary);
    font-weight: 500;
    font-size: var(--ds-font-size-sm);
}

.form-check-input:checked {
    background-color: var(--ds-primary);
    border-color: var(--ds-primary);
}

/* --- Dropdown override --- */
.dropdown-menu {
    background: var(--ds-bg-secondary);
    border-color: var(--ds-border);
    border-radius: var(--ds-radius-lg);
    box-shadow: var(--ds-shadow-lg);
}

.dropdown-item {
    color: var(--ds-text-primary);
    padding: var(--ds-space-2) var(--ds-space-4);
}

.dropdown-item:hover {
    background: var(--ds-bg-hover);
    color: var(--ds-text-primary);
}