/* ═══════════════════════════════════════════════════════════════════ */
/* VARIÁVEIS CSS E RESET */
/* ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Cores principais */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Cores de fundo */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-modal: rgba(0, 0, 0, 0.8);

    /* Cores de texto */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    /* Bordas e sombras */
    --border: #334155;
    --border-light: #475569;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Tipografia */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Transições */
    --transition: all 0.15s ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

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

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

/* Otimizações de performance */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.folder-card,
.btn,
.media-card {
    will-change: transform;
}

.folder-card:hover,
.btn:hover,
.media-card:hover {
    will-change: auto;
}

/* Lazy Loading - Animação de carregamento */
.lazy-image.loading {
    background: linear-gradient(90deg, #1e293b 0%, #334155 50%, #1e293b 100%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s ease-in-out infinite;
}

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

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

.lazy-image.loaded {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ═══════════════════════════════════════════════════════════════════ */
/* COMPONENTES BÁSICOS */
/* ═══════════════════════════════════════════════════════════════════ */

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Remove sublinhado de links que são botões */
a.btn {
    text-decoration: none !important;
}

a.btn:hover {
    text-decoration: none !important;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.3s ease;
    will-change: transform;
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    color: white;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--error);
    color: white;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    color: white;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

/* Inputs */
.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

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

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

/* Input Groups */
.input-group {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 1;
}

.input-group .form-input {
    padding-left: 2.5rem;
}

/* Alertas */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0.375rem;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: #fecaca;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: #a7f3d0;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: #fde68a;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* LOGIN PAGE */
/* ═══════════════════════════════════════════════════════════════════ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--bg-primary);
}

.login-box {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.logo-section {
    margin-bottom: var(--spacing-xl);
}

.logo {
    height: 4rem;
    filter: brightness(0) invert(1);
}

.logo-text {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.login-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-sm);
}

.login-form {
    text-align: left;
}

.btn-login {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
    z-index: 1;
}

.divider span {
    position: relative;
    background: var(--bg-card);
    padding: 0 var(--spacing-lg);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    z-index: 2;
}

.btn-guest {
    width: 100%;
}

.login-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* MAIN LAYOUT */
/* ═══════════════════════════════════════════════════════════════════ */

.main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-lg);
    transition: var(--transition);
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-logo img {
    height: 2.5rem;
    filter: brightness(0) invert(1);
}

.header-title {
    flex: 1;
    text-align: center;
    font-size: var(--font-size-xl);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.header-search {
    width: 320px;
    max-width: 100%;
    position: relative;
}

.header-search input {
    width: 100%;
    padding-left: var(--spacing-xl);
    border-radius: 2rem;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    transition: var(--transition);
}

.header-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.header-search::before {
    content: '\f002';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 1;
    pointer-events: none;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0.375rem;
}

.header-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
    text-decoration: none;
}

.trash-link {
    color: #fca5a5 !important;
}

.logout-link {
    color: var(--text-secondary);
}

/* Toolbar */
.toolbar {
    /* Solid background for readability */
    background: #1e293b;

    /* "Matte gradient around" effect - Large halo shadow */
    box-shadow: 0 0 60px 30px rgba(15, 23, 42, 0.95);

    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-xl) auto var(--spacing-xl);
    max-width: 1400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;

    /* Sticky behavior */
    position: sticky;
    top: 1rem;
    z-index: 100;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.selection-info {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Content wrapper */
.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.breadcrumb {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.breadcrumb code {
    color: var(--primary);
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0.25rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.breadcrumb code a {
    color: #4da6ff;
    text-decoration: none;
    transition: all 0.2s ease;
}

.breadcrumb code a:hover {
    color: #66b8ff;
    text-decoration: underline;
    text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
}

.breadcrumb code .current-folder {
    color: #ffffff;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* GRIDS E LAYOUTS */
/* ═══════════════════════════════════════════════════════════════════ */

/* Home grid */
.home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.folder-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    overflow: hidden;
}

.folder-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    text-decoration: none;
}

.folder-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-height: 90px;
    margin-bottom: 0.5rem;
}

/* Aplicar filtro branco para imagens específicas */
.folder-card img[src*="pecuaria_white.png"],
.folder-card img[src*="bitrix.png"],
.folder-card img[src*="american_francising_white.png"],
.folder-card img[src*="lox_white.png"],
.folder-card img[src*="vpj_alimentos_white.png"],
.folder-card img[src*="red_white.png"] {
    filter: brightness(0) invert(1);
    /* Torna a imagem branca */
}

.folder-placeholder {
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.folder-placeholder i {
    color: var(--primary);
    opacity: 0.7;
    transition: var(--transition);
}

.folder-card:hover .folder-placeholder i {
    opacity: 1;
    transform: scale(1.1);
}

.folder-card img {
    transition: transform 0.2s ease-out;
    will-change: transform;
}

.folder-card:hover img {
    transform: scale(1.02);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* SEÇÃO DE PASTAS - DESIGN DELICADO E PROFISSIONAL */
/* ═══════════════════════════════════════════════════════════════════ */

/* Container da seção de pastas */
.folder-section {
    background: rgba(30, 41, 59, 0.2);
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 0.5rem;
    padding: 1.25rem;
    margin-bottom: 2rem;
}

/* Header da seção de pastas */
.folder-section-header {
    margin-bottom: 1rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid rgba(56, 189, 248, 0.15);
}

.folder-section-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.folder-section-header h3 i {
    font-size: 1.125rem;
    color: #60a5fa;
    flex-shrink: 0;
}

.folder-section-count {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Header de seções (Arquivos de Mídia) */
h3.mb-3 {
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
    white-space: nowrap;
}

h3.mb-3 i {
    font-size: 1.125rem;
    flex-shrink: 0;
}

h3.mb-3 span {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Folder list - Grid de Pastas */
.folder-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.875rem;
}

.folder-list-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

.folder-list-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.15);
}

.folder-list-item i.fa-folder {
    font-size: 1.25rem;
    color: #60a5fa;
    transition: all 0.2s ease;
}

.folder-list-item:hover i.fa-folder {
    color: #3b82f6;
    transform: scale(1.05);
}

.folder-list-item .folder-name {
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    flex: 1;
    user-select: none;
}

.folder-list-item:hover .folder-name {
    color: var(--primary);
}

/* Checkbox de seleção para pastas */
.folder-selection-checkbox {
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--border);
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.folder-selection-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
}

.folder-selection-checkbox.checked::after {
    content: "✓";
    color: white;
    font-size: var(--font-size-xs);
    font-weight: bold;
}

/* Media grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.media-card {
    position: relative;
    height: 200px;
    border-radius: 0.5rem;
    overflow: hidden;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.media-card:hover {
    transform: scale(1.02);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.media-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.lazy-image {
    opacity: 1 !important;
    /* Força exibição imediata */
    background: var(--bg-secondary);
    transition: opacity 0.3s ease;
}

.lazy-image.loading {
    opacity: 0.7;
    /* Meio transparente enquanto carrega */
}

.lazy-image.loaded {
    opacity: 1;
}

.media-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Estilos específicos para documentos */
.media-card[data-type="doc"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.media-card[data-type="doc"]:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.media-card[data-type="doc"] .media-overlay {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
}

.media-card[data-type="doc"] .media-overlay i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    display: block;
}

/* Ícones específicos por tipo de documento */
.doc-pdf {
    color: #FF4444 !important;
}

.doc-psd {
    color: #001E36 !important;
}

.doc-ai {
    color: #FF9A00 !important;
}

.doc-aep {
    color: #9999FF !important;
}

.doc-xml {
    color: #FF6600 !important;
}

.doc-ttf,
.doc-otf {
    color: #4CAF50 !important;
}

.doc-raw,
.doc-cr2 {
    color: #795548 !important;
}

.doc-mtl {
    color: #607D8B !important;
}

.doc-psx {
    color: #E91E63 !important;
}

.doc-zip {
    color: #FFC107 !important;
}

.doc-blend {
    color: #FF7700 !important;
}

.doc-svg {
    color: #4CAF50 !important;
}

.selection-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid white;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.selection-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
}

.selection-checkbox.checked::after {
    content: "✓";
    color: white;
    font-size: var(--font-size-xs);
    font-weight: bold;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* MODAIS */
/* ═══════════════════════════════════════════════════════════════════ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: var(--spacing-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    width: 100%;
    max-width: 500px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Directory tree */
.directory-tree {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    max-height: 250px;
    overflow-y: auto;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.directory-tree ul {
    list-style: none;
    margin: 0;
    padding-left: var(--spacing-lg);
}

.directory-tree>ul {
    padding-left: 0;
}

.directory-tree li {
    margin: var(--spacing-xs) 0;
}

.tree-folder {
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 0.25rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    user-select: none;
}

/* Folder tree item - novo estilo */
/* Seletor de destino (nova interface) */
.destination-selector {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.current-destination {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.current-destination i {
    color: var(--accent);
    font-size: 1.25rem;
}

.btn-change-dest {
    padding: 0.875rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-change-dest:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

.btn-change-dest i {
    font-size: 1rem;
}

/* Container da árvore de diretórios */
.directory-tree-container {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.folder-tree-item {
    margin: 2px 0;
    user-select: none;
}

.folder-tree-row {
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.folder-tree-row:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.folder-tree-item.selected .folder-tree-row {
    background: var(--accent);
    color: var(--text-primary);
    font-weight: 500;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.folder-expand-icon {
    width: 12px;
    font-size: 10px;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.folder-tree-children {
    margin-left: 20px;
    margin-top: 4px;
}

.tree-folder:hover {
    background: var(--bg-secondary);
}

.tree-folder.tree-caret::before {
    content: "▶";
    display: inline-block;
    margin-right: var(--spacing-xs);
    transition: transform 0.2s ease;
    font-size: 0.8em;
}

.tree-folder.tree-caret.open::before {
    transform: rotate(90deg);
}

.tree-children {
    display: none;
    margin-top: var(--spacing-xs);
}

.tree-folder.open+.tree-children {
    display: block;
}

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 0.5rem;
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
    margin: var(--spacing-md) 0;
}

.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.upload-zone-content {
    color: var(--text-secondary);
}

.upload-zone-content i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

/* File list preview */
.file-preview-list {
    max-height: 120px;
    overflow-y: auto;
    margin: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: var(--spacing-sm);
}

.file-preview-item {
    padding: var(--spacing-xs);
    border-bottom: 1px solid var(--border);
}

.file-preview-item:last-child {
    border-bottom: none;
}

/* Path display */
.path-display {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: var(--font-size-sm);
    color: var(--primary);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* VISUALIZADOR */
/* ═══════════════════════════════════════════════════════════════════ */

.viewer-overlay {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.95) !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 1001 !important;
}

.viewer-overlay.active {
    display: flex !important;
}

.viewer-close {
    position: fixed !important;
    top: var(--spacing-lg) !important;
    right: var(--spacing-lg) !important;
    background: rgba(0, 0, 0, 0.7) !important;
    border: none !important;
    color: white !important;
    width: 3rem !important;
    height: 3rem !important;
    border-radius: 50% !important;
    font-size: var(--font-size-xl) !important;
    cursor: pointer !important;
    transition: var(--transition) !important;
    z-index: 1002 !important;
}

.viewer-close:hover {
    background: rgba(0, 0, 0, 0.9) !important;
}

.viewer-content {
    max-width: 90vw !important;
    max-height: 90vh !important;
    width: 90vw !important;
    height: 90vh !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 0.5rem !important;
    border: none !important;
    margin: auto !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

.viewer-content img {
    max-width: 90vw !important;
    max-height: 90vh !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    border-radius: 0.5rem !important;
    display: block !important;
}

.viewer-content video {
    max-width: 90vw !important;
    max-height: 90vh !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    border-radius: 0.5rem !important;
    display: block !important;
}

/* FORÇA vídeo invisível quando imagem está ativa */
.viewer-overlay.image-active video {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

.viewer-overlay.video-active img,
.viewer-overlay.video-active iframe {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

.viewer-overlay.doc-active img,
.viewer-overlay.doc-active video {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

.viewer-content iframe {
    width: 90vw !important;
    height: 90vh !important;
    border: none !important;
    border-radius: 0.5rem !important;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* PAGINAÇÃO */
/* ═══════════════════════════════════════════════════════════════════ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 0.375rem;
    text-decoration: none;
    transition: var(--transition);
}

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

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 var(--spacing-md);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* LOADING E ESTADOS */
/* ═══════════════════════════════════════════════════════════════════ */

.loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.loading-spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.hidden {
    display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* RESPONSIVIDADE */
/* ═══════════════════════════════════════════════════════════════════ */

/* Telas extra grandes (acima de 1600px) */
@media (min-width: 1600px) {
    .home-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        max-width: 1600px;
    }

    .folder-card {
        height: 180px;
    }

    .folder-card img {
        max-height: 100px;
    }
}

/* Telas grandes (1200px - 1599px) */
@media (min-width: 1200px) and (max-width: 1599px) {
    .home-grid {
        grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
        max-width: 1400px;
    }
}

/* Tablets em paisagem e desktops pequenos (900px - 1199px) */
@media (min-width: 900px) and (max-width: 1199px) {
    .home-grid {
        grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
        gap: 1.25rem;
    }

    .folder-card {
        height: 150px;
    }
}

/* Tablets em retrato (769px - 899px) */
@media (min-width: 769px) and (max-width: 899px) {
    .home-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1.25rem;
    }

    .folder-card {
        height: 145px;
    }
}

/* Mobile e tablets pequenos (abaixo de 768px) */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .header-search {
        width: 100%;
        order: 3;
    }

    .header-nav {
        order: 2;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-actions {
        justify-content: center;
    }

    .selection-info {
        margin-left: 0;
        justify-content: center;
    }

    .home-grid,
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
        padding: 0.75rem;
    }

    .folder-card {
        height: 130px;
        padding: 0.75rem;
    }

    .media-card {
        height: 150px;
    }

    .modal-content {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .content-wrapper {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .login-box {
        padding: var(--spacing-lg);
    }

    .home-grid,
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* ═══════════════════════════════════════════════════════════════════ */
/* SISTEMA DE NOTIFICAÇÕES */
/* ═══════════════════════════════════════════════════════════════════ */

.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 100000;
    /* Acima do popup de upload (99999) */
    max-width: 350px;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    min-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

.toast-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.toast-content {
    flex: 1;
    font-size: var(--font-size-sm);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 0.25rem;
    transition: var(--transition);
}

.toast-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Barra de progresso */
.progress-container {
    margin-top: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 0.25rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 0.25rem;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    display: flex;
    justify-content: space-between;
}

.toast-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.toast-buttons .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* ═══════════════════════════════════════════════════════════════════ */
/* UTILITÁRIOS */
/* ═══════════════════════════════════════════════════════════════════ */

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

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

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

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.w-full {
    width: 100%;
}

.flex {
    display: flex;
}

.flex-1 {
    flex: 1;
}

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

.justify-center {
    justify-content: center;
}

.gap-2 {
    gap: var(--spacing-sm);
}

.gap-3 {
    gap: var(--spacing-md);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   UPLOAD DE ARQUIVOS
   ═══════════════════════════════════════════════════════════════════════════════ */

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    background: var(--bg-secondary);
    transition: var(--transition);
    cursor: pointer;
    margin: 1rem 0;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(45, 117, 237, 0.05);
}

.upload-zone.dragover {
    border-color: var(--primary-color) !important;
    background: rgba(45, 117, 237, 0.1) !important;
}

.upload-zone-content {
    pointer-events: none;
}

.upload-zone-content i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.upload-zone.dragover .upload-zone-content i {
    color: var(--primary-color);
}

.file-preview-list {
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
    max-height: 200px;
    overflow-y: auto;
}

.file-preview-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin: 0.25rem 0;
    background: var(--bg-primary);
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.file-info i {
    color: var(--text-muted);
    flex-shrink: 0;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.remove-file:hover {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
}

/* ═══════════════════════════════════════════════════════════════════ */
/* SISTEMA DE NOTIFICAÇÕES TOAST */
/* ═══════════════════════════════════════════════════════════════════ */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100000;
    /* Acima do popup de upload (99999) */
    max-width: 400px;
    pointer-events: none;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease-out;
    pointer-events: all;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 300px;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

.toast-icon {
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--error);
}

.toast.warning .toast-icon {
    color: var(--warning);
}

.toast.info .toast-icon {
    color: var(--primary);
}

.toast-content {
    flex: 1;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 14px;
}

.toast-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Barra de progresso */
.progress-container {
    margin-top: 12px;
}

.progress-bar {
    background: var(--bg-tertiary);
    border-radius: 4px;
    height: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    background: var(--primary);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease-out;
    border-radius: 4px;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.progress-label {
    flex: 1;
}

.progress-percent {
    font-weight: 600;
    color: var(--primary);
}

/* Estilos para botões desabilitados */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: var(--shadow) !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: var(--shadow) !important;
}