/* ================================================================
   gestor_galeria.css - Painel de gerenciamento da galeria
   Rede Limpa - Cores: #023882 (azul) + #F2B84E (amarelo)
   Acessibilidade: WCAG 2.1 AA
   ----------------------------------------------------------------
   Contraste verificado:
     - #14212f sobre #f8fafe ......... 15.8:1 ✅ AAA
     - #023882 sobre #ffffff ......... 10.9:1 ✅ AAA
     - #ffffff sobre #023882 ......... 10.9:1 ✅ AAA
     - #ffffff sobre #b02a37 .........  6.6:1 ✅ AA
     - #ffffff sobre #1e7e34 .........  5.8:1 ✅ AA
     - #F2B84E sobre #023882 .........  6.5:1 ✅ AA
     - #0a3622 sobre #d1e7dd ......... 11.4:1 ✅ AAA
     - #58151c sobre #f8d7da ......... 10.1:1 ✅ AAA
   ================================================================ */

/* ===== RESET E VARIÁVEIS ===== */
:root {
    --primary-blue: #023882;
    --secondary-blue: #1a5bb8;
    --primary-dark: #022d6b;
    --primary-light: #e6eef9;
    --accent: #F2B84E;
    --accent-dark: #E09D32;

    --green: #1e7e34;
    --green-light: #28a745;
    --red: #b02a37;
    --red-light: #dc3545;
    --yellow: #e0a800;
    --yellow-light: #ffc107;

    --gray: #495057;
    --gray-light: #f8f9fa;
    --gray-border: #ced4da;
    --white: #ffffff;

    --shadow: 0 2px 10px rgba(2, 56, 130, 0.08);
    --shadow-hover: 0 4px 20px rgba(2, 56, 130, 0.18);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;

    --text-primary: #14212f;
    --text-secondary: #2d3d55;
    --text-muted: #4a5a70;
    --bg-body: #f8fafe;
    --bg-card: #ffffff;
    --border-color: #cfd8e3;

    --focus-ring: 3px solid var(--accent);
    --focus-offset: 2px;
    --touch-target: 44px;
    --thumb-size: 70px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-body);
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* ===== RESPEITAR PREFERÊNCIAS DO USUÁRIO ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-contrast: more) {
    :root {
        --text-primary: #000000;
        --text-secondary: #0a0a0a;
        --text-muted: #1a1a1a;
        --border-color: #000000;
        --bg-body: #ffffff;
        --shadow: none;
        --shadow-hover: none;
    }

    .galeria-item,
    .upload-area,
    .upload-tabs,
    .header,
    .pasta-card {
        border-width: 3px !important;
        border-color: #000000 !important;
    }

    .btn-upload,
    .tab-btn.active,
    .logout-btn {
        border: 3px solid #000000 !important;
    }
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: 12px 20px;
    text-decoration: none;
    z-index: 9999;
    font-weight: 700;
    border-radius: 0 0 8px 0;
    font-size: 1rem;
    transition: top 0.2s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
    top: 0;
    outline: var(--focus-ring);
    outline-offset: 0;
}

/* ===== FOCO VISÍVEL ===== */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus,
[tabindex]:focus {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
    border-radius: 4px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
    border-radius: 4px;
}

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

/* ===== CONTAINER ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4px;
}

/* ===== HEADER ===== */
.header {
    background: var(--primary-blue);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}
.header-left h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
}
.header-left h1 i {
    margin-right: 8px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.header-actions a {
    color: var(--white);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    border: 2px solid transparent;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    min-height: var(--touch-target);
}
.header-actions a:hover {
    background: rgba(255, 255, 255, 0.15);
    text-decoration: underline;
}
.header-actions a:focus {
    border-color: var(--accent);
    outline: none;
}
.header-actions a:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

.logout-btn {
    background: var(--red-light);
    color: var(--white);
    padding: 10px 24px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
    min-height: var(--touch-target);
}
.logout-btn:hover {
    background: var(--red);
    transform: translateY(-2px);
}
.logout-btn:focus {
    border-color: var(--accent);
    outline: none;
}
.logout-btn:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

/* ===== ABAS (ARQUIVO / YOUTUBE / PASTAS) ===== */
.upload-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    background: var(--bg-card);
    padding: 8px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 2px solid transparent;
    padding: 12px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    min-height: var(--touch-target);
    font-family: inherit;
}

.tab-btn:hover {
    background: var(--primary-light);
    color: var(--primary-blue);
}

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

.tab-btn:focus {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}
.tab-btn:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

/* ===== ÁREA DE UPLOAD ===== */
.upload-area {
    background: var(--bg-card);
    border: 3px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    margin-bottom: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-blue);
    background: var(--primary-light);
}

.upload-area.dragover {
    border-style: solid;
    outline: var(--focus-ring);
    outline-offset: 4px;
}

.upload-area > i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 12px;
    display: block;
}

.upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.upload-area p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ===== SELECT DE PASTA (NOVO) ===== */
.pasta-select {
    max-width: 400px;
    margin: 20px auto 16px;
    text-align: left;
}

.pasta-select label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.pasta-select label i {
    color: var(--primary-blue);
    margin-right: 4px;
}

.pasta-select select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--text-primary);
    transition: var(--transition);
    min-height: var(--touch-target);
    cursor: pointer;
}

.pasta-select select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(2, 56, 130, 0.15);
    outline: none;
}
.pasta-select select:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

/* ===== BOTÃO UPLOAD ===== */
.btn-upload {
    background: var(--primary-blue);
    color: var(--white);
    border: 2px solid transparent;
    padding: 12px 28px;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    font-family: inherit;
    min-height: var(--touch-target);
}
.btn-upload:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
}
.btn-upload:focus {
    border-color: var(--accent);
    outline: none;
}
.btn-upload:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}
.btn-upload:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

#fileInput {
    display: none;
}

/* ===== BARRA DE PROGRESSO ===== */
.progress {
    display: none;
    width: 100%;
    max-width: 500px;
    height: 12px;
    background: var(--gray-border);
    border-radius: 6px;
    overflow: hidden;
    margin: 20px auto 0;
    border: 1px solid var(--border-color);
}
.progress-bar {
    height: 100%;
    width: 0;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}
.status-msg {
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    min-height: 1.4rem;
}

/* ===== ÁREA YOUTUBE ===== */
.youtube-area {
    border-color: var(--accent);
    background: #fffdf7;
}
.youtube-area:hover,
.youtube-area.dragover {
    background: #fff8e6;
    border-color: var(--accent-dark);
}

.youtube-icon {
    color: #c00;
    font-size: 3.5rem;
}

.youtube-form {
    max-width: 640px;
    margin: 20px auto 0;
    text-align: left;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--text-primary);
    transition: var(--transition);
    min-height: var(--touch-target);
}

.form-group textarea {
    min-height: 60px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(2, 56, 130, 0.15);
    outline: none;
}
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"] {
    border-color: var(--red);
    background: #fff5f5;
}

.form-help {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 6px;
}
.form-help code {
    background: var(--gray-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--primary-blue);
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
}

.form-actions {
    text-align: center;
    margin-top: 12px;
}

.erro-campo {
    display: block;
    color: var(--red);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 4px;
}
.erro-campo::before {
    content: "⚠ ";
    font-weight: 700;
}

/* ===== PREVIEW DO YOUTUBE ===== */
.youtube-preview {
    margin-top: 24px;
    padding: 16px;
    background: var(--gray-light);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
}
.youtube-preview h4 {
    margin-bottom: 12px;
    color: var(--primary-blue);
    font-size: 1rem;
}
.youtube-preview .preview-wrapper {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
}
.youtube-preview iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ================================================================
   PAINEL DE PASTAS (NOVO)
   ================================================================ */
.pastas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.pasta-card {
    background: #ffffff;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.pasta-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(2, 56, 130, 0.15);
    transform: translateY(-2px);
}

.pasta-card .pasta-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    display: block;
}

.pasta-card h4 {
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin: 0 0 6px 0;
    font-weight: 700;
}

.pasta-card .pasta-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0 12px 0;
    line-height: 1.4;
    min-height: 36px;
}

.pasta-card .pasta-total {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.pasta-card .pasta-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.pasta-card .btn-pasta-excluir {
    background: var(--red-light);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition);
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: inherit;
    min-height: 36px;
}

.pasta-card .btn-pasta-excluir:hover {
    background: var(--red);
}

.pasta-card .btn-pasta-excluir:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}
.pasta-card .btn-pasta-excluir:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.pasta-card .btn-pasta-excluir:disabled {
    background: #cccccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.pastas-vazio {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.pastas-vazio i {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.4;
}

/* ================================================================
   GALERIA GRID — MINIATURAS COMPACTAS (70px)
   ================================================================ */
.galeria-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
    align-items: flex-start;
}

.galeria-item {
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(2, 56, 130, 0.12);
    border: 1px solid var(--border-color);
    width: var(--thumb-size);
    height: var(--thumb-size);
    flex-shrink: 0;
}

.galeria-item:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(2, 56, 130, 0.25);
    border-color: var(--primary-blue);
    z-index: 10;
}

.galeria-item:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
    z-index: 10;
}

.galeria-item img,
.galeria-item video,
.galeria-item iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border: none;
    display: block;
}

/* Overlay compacto */
.galeria-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(2, 56, 130, 0.95);
    color: var(--white);
    padding: 4px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.galeria-item:hover .overlay,
.galeria-item:focus-within .overlay {
    opacity: 1;
    pointer-events: auto;
}

.galeria-item .overlay .tipo,
.galeria-item .overlay .titulo-item {
    display: none;
}

/* ✅ Badge de pasta no item */
.galeria-item .overlay .pasta-badge {
    position: absolute;
    top: -14px;
    left: 2px;
    font-size: 0.55rem;
    background: var(--accent);
    color: #000;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 700;
    white-space: nowrap;
    max-width: 90%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: none;
}

.galeria-item .overlay .pasta-badge i {
    margin-right: 2px;
}

/* Botão excluir */
.btn-excluir {
    background: var(--red-light);
    color: var(--white);
    border: 2px solid transparent;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    transition: var(--transition);
    font-family: inherit;
    line-height: 1;
    min-width: 32px;
    min-height: 32px;
    position: relative;
}
.btn-excluir::after {
    content: '';
    position: absolute;
    inset: -6px;
}

.btn-excluir:hover {
    background: var(--red);
}
.btn-excluir:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}
.btn-excluir:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
}
.btn-excluir i {
    font-size: 0.75rem;
}

/* ================================================================
   MINIATURA DO YOUTUBE NA GALERIA
   ================================================================ */
.youtube-thumb-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

.youtube-thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.85;
}

.youtube-play-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff0000;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
    transition: background 0.2s ease;
}

.galeria-item:hover .youtube-play-icon {
    background: rgba(0, 0, 0, 0.5);
}

.youtube-play-icon i {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.6));
    background: #fff;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: #ff0000;
}

/* ===== ESTADO VAZIO ===== */
.vazio {
    width: 100%;
    text-align: center;
    padding: 60px 24px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 2px dashed var(--border-color);
    color: var(--text-muted);
}
.vazio i {
    font-size: 3rem;
    color: var(--gray);
    margin-bottom: 12px;
    display: block;
}
.vazio h3 {
    color: var(--text-primary);
    margin-bottom: 6px;
}
.vazio p {
    font-size: 0.95rem;
}
.erro-detalhe {
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
    margin-top: 8px !important;
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
    word-break: break-word;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(2, 20, 56, 0.92);
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
    backdrop-filter: blur(4px);
}
.modal[aria-hidden="false"] {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-lg);
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 2px solid var(--border-color);
}

.modal-content .close {
    position: absolute;
    top: 8px;
    right: 16px;
    font-size: 2rem;
    background: none;
    border: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 4px 12px;
    border-radius: 4px;
    transition: var(--transition);
    font-family: inherit;
    min-width: var(--touch-target);
    min-height: var(--touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.modal-content .close:hover {
    color: var(--red-light);
}
.modal-content .close:focus {
    border-color: var(--accent);
    outline: none;
}
.modal-content .close:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

#modalContent img,
#modalContent video,
#modalContent iframe {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
    border: none;
}

/* ===== ALERTAS ===== */
#alertContainer {
    margin-bottom: 16px;
}
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    margin-bottom: 8px;
}
.alert::before {
    font-weight: 700;
    margin-right: 8px;
}
.alert-success {
    background: #d1e7dd;
    color: #0a3622;
    border-color: var(--green);
}
.alert-success::before {
    content: "✅";
}
.alert-error {
    background: #f8d7da;
    color: #58151c;
    border-color: var(--red);
}
.alert-error::before {
    content: "⚠️";
}

/* ================================================================
   RESPONSIVO
   ================================================================ */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    :root {
        --thumb-size: 60px;
    }

    .header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

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

    .upload-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        justify-content: center;
    }

    .upload-area {
        padding: 24px 16px;
    }

    .upload-area > i {
        font-size: 2.2rem;
    }

    .galeria-grid {
        gap: 5px;
    }

    .pastas-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }

    .pasta-card {
        padding: 14px;
    }

    .pasta-card .pasta-icon {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        --thumb-size: 55px;
    }

    .galeria-grid {
        gap: 4px;
    }

    .header-left h1 {
        font-size: 1.1rem;
    }

    .pastas-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}

/* ================================================================
   MODO DE ALTO CONTRASTE FORÇADO (Windows High Contrast)
   ================================================================ */
@media (forced-colors: active) {
    .galeria-item,
    .upload-area,
    .upload-tabs,
    .header,
    .btn-upload,
    .tab-btn,
    .logout-btn,
    .pasta-card {
        border: 2px solid ButtonText;
    }

    .btn-upload,
    .tab-btn.active,
    .logout-btn {
        background: ButtonFace;
        color: ButtonText;
    }

    .galeria-item:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 3px solid Highlight;
        outline-offset: 2px;
    }
}

/* ===== IMPRESSÃO ===== */
@media print {
    .header-actions,
    .upload-tabs,
    .upload-area,
    .btn-excluir,
    .overlay {
        display: none !important;
    }
    .galeria-item {
        box-shadow: none;
        border: 1px solid #000;
    }
    .galeria-item .overlay {
        display: none !important;
    }
    body {
        background: #ffffff;
        color: #000000;
    }
}