/* ---------------------------------------------------------------
   meuDrive — identidade visual inspirada em fichários e pastas
   suspensas de arquivo físico: abas coloridas, cartões de papel.
   Paleta:
     --bg      #EDEAE1  fundo (papel)
     --surface #FFFFFF  cartões
     --ink     #20242C  texto principal
     --muted   #6B6759  texto secundário
     --border  #DAD6C8  linhas e divisórias
     --pasta   #C98A3E  aba de pasta (cor de kraft/manila)
     --arquivo #35506B  aba de arquivo (azul tinta)
   Tipografia: Space Grotesk (display) + Inter (corpo) + JetBrains Mono (dados)
   ----------------------------------------------------------------*/

:root {
    --bg: #EDEAE1;
    --surface: #FFFFFF;
    --ink: #20242C;
    --muted: #6B6759;
    --border: #DAD6C8;
    --pasta: #C98A3E;
    --arquivo: #35506B;
    --arquivo-soft: #E7EDF2;
    --pasta-soft: #F6E9D6;
    --erro: #A6402E;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout geral ---------- */

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
}
.logo span { color: var(--arquivo); }

.upload-form { margin: 0; }

.botao-primario, .botao-secundario {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 11px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    text-align: center;
}

.botao-primario {
    background: var(--ink);
    color: #fff;
}
.botao-primario:hover { background: #383f4d; }

.botao-secundario {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
}
.botao-secundario:hover { background: var(--bg); }

.storage-box {
    margin-top: auto;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
}
.storage-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 4px;
}
.storage-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    font-weight: 500;
}

.sair {
    font-size: 13px;
    color: var(--muted);
    padding-top: 4px;
}
.sair:hover { color: var(--ink); }

/* ---------- Conteúdo ---------- */

.conteudo {
    flex: 1;
    padding: 32px 40px;
    max-width: 1100px;
}

.breadcrumb {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 24px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumb a:last-child { color: var(--ink); font-weight: 600; }

.aviso {
    background: var(--pasta-soft);
    border: 1px solid var(--pasta);
    color: #6b4415;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
}

.vazio {
    padding: 60px 0;
    text-align: center;
    color: var(--muted);
}
.vazio p { margin: 4px 0; }
.vazio-sub { font-size: 13px; }

/* ---------- Grade de cartões (o elemento-assinatura) ---------- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 18px;
}

.cartao {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px 10px 10px 10px;
    padding: 18px 14px 12px;
    transition: box-shadow .15s ease, transform .15s ease;
}
.cartao:hover {
    box-shadow: 0 6px 16px rgba(32, 36, 44, 0.08);
    transform: translateY(-2px);
}

/* A "aba" no topo do cartão imita a etiqueta de uma pasta suspensa
   de arquivo físico — o elemento assinatura do design. */
.tab {
    position: absolute;
    top: -9px;
    left: 14px;
    width: 46px;
    height: 16px;
    background: var(--pasta);
    border-radius: 4px 4px 0 0;
}
.tab-arquivo {
    background: var(--arquivo);
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.02em;
    width: auto;
    min-width: 40px;
    padding: 0 6px;
}

.cartao-clicavel {
    display: block;
    cursor: pointer;
}
.cartao-clicavel:focus-visible {
    outline: 2px solid var(--arquivo);
    outline-offset: 2px;
    border-radius: 6px;
}

.icone-pasta, .icone-arquivo {
    font-size: 30px;
    margin-bottom: 10px;
    line-height: 1;
}

.nome {
    font-size: 13.5px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    margin-top: 4px;
}

.acoes {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity .1s ease;
}
.cartao:hover .acoes, .cartao:focus-within .acoes { opacity: 1; }
.acoes button, .acoes a {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.acoes button:hover, .acoes a:hover { background: var(--bg); }

/* ---------- Modais (overlay em div — mais compatível que <dialog>) ---------- */

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(32, 36, 44, 0.4);
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}
.overlay.aberto { display: flex; }

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 320px;
    max-width: 100%;
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.modal h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px;
    margin: 0 0 16px;
}
.campo {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.campo input {
    font-size: 14px;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-family: 'Inter', sans-serif;
    color: var(--ink);
}
.modal-acoes {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 18px;
}
.modal-acoes button {
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 13px;
    font-weight: 600;
}
.modal-acoes .botao-primario { border: none; width: auto; }

/* ---------- Modal de pré-visualização ---------- */

.modal-preview {
    width: min(880px, 100%);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    padding: 16px 16px 20px;
}
.preview-cabecalho {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.preview-titulo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.preview-acoes {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
.preview-acoes .botao-secundario {
    width: auto;
    padding: 8px 14px;
    font-size: 13px;
}
.preview-acoes button {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 13px;
    font-weight: 600;
}
.preview-corpo {
    flex: 1;
    min-height: 200px;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 8px;
}
.preview-corpo img {
    max-width: 100%;
    max-height: 72vh;
    display: block;
}
.preview-corpo video, .preview-corpo audio {
    max-width: 100%;
    max-height: 72vh;
}
.preview-corpo iframe {
    width: 100%;
    height: 72vh;
    border: none;
    background: #fff;
}
.preview-texto {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    text-align: left;
    align-self: flex-start;
}
.preview-msg {
    color: var(--muted);
    font-size: 14px;
    text-align: center;
    padding: 40px 20px;
}

@media (max-width: 640px) {
    .modal-preview { width: 100%; }
    .preview-corpo iframe, .preview-corpo img, .preview-corpo video {
        max-height: 60vh;
    }
}

/* ---------- Painel de progresso de envios ---------- */

.painel-envios {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    max-height: 60vh;
    overflow-y: auto;
    display: none;
    flex-direction: column;
    gap: 10px;
    z-index: 50;
}
.painel-envios.aberto { display: flex; }

.envio-item {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px 10px 10px 10px;
    padding: 14px 14px 12px;
    box-shadow: 0 8px 20px rgba(32,36,44,0.10);
}
.envio-tab {
    width: 34px;
    height: 14px;
}
.envio-nome {
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.envio-barra {
    height: 6px;
    border-radius: 4px;
    background: var(--bg);
    overflow: hidden;
    margin-bottom: 6px;
}
.envio-progresso {
    height: 100%;
    width: 0%;
    background: var(--arquivo);
    border-radius: 4px;
    transition: width .2s ease;
}
.envio-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
}
.envio-item.envio-erro .envio-progresso { background: var(--erro); }
.envio-item.envio-erro .envio-status { color: var(--erro); }

/* ---------- Tela de login ---------- */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.auth-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px 14px 14px 14px;
    padding: 40px 36px;
    width: 340px;
}
.auth-tab {
    position: absolute;
    top: -11px;
    left: 24px;
    width: 60px;
    height: 20px;
    background: var(--arquivo);
    border-radius: 5px 5px 0 0;
}
.auth-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 26px;
    font-weight: 700;
    margin: 4px 0 6px;
}
.auth-logo span { color: var(--arquivo); }
.auth-sub {
    font-size: 13.5px;
    color: var(--muted);
    margin: 0 0 22px;
}
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.auth-form label {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.auth-form input {
    font-size: 14px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.auth-form button {
    margin-top: 6px;
    padding: 11px;
    border-radius: 8px;
    border: none;
    background: var(--ink);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}
.auth-form button:hover { background: #383f4d; }

.alerta {
    background: #FBEAE6;
    border: 1px solid var(--erro);
    color: #7a2a1c;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* ---------- Responsivo ---------- */

@media (max-width: 720px) {
    .layout { flex-direction: column; }
    .sidebar {
        width: auto;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .storage-box { display: none; }
    .conteudo { padding: 24px 20px; }
}

/* Foco visível para navegação por teclado */
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--arquivo);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .cartao { transition: none; }
}