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

:root {
    /* Fontes */
    --font-primary: "Inter", sans-serif;
    --font-secondary: "Open Sans", sans-serif;

    /* Cores Primárias */
    --color-primary: #f0f2f5; /* Cor de fundo suave (body/header) */
    --color-secondary: #333;  /* Texto padrão */

    /* Paleta de texto */
    --color-dark-text: #2c3e50;      /* Títulos, textos escuros */
    --color-light-text: #ecf0f1;     /* Texto claro (sidebar) */
    --color-gray-text: #666;         /* Textos secundários */
    --color-item-detail: #7f8c8d;    /* Detalhes de itens (datas, etc.) */

    /* Destaques e ações */
    --color-accent-blue: #3498db;
    --color-accent-blue-hover: #2980b9;
    --color-accent-gold: #ebdb07;
    --color-success: #27ae60;
    --color-success-hover: #229a54;
    --color-danger: #e74c3c;
    --color-danger-hover: #c0392b;
    --color-warning: #f39c12;

    /* Fundos */
    --color-background-light: #f8f9fa; /* cards leves, listas, itens */
    --color-background-white: #ffffff;
    --color-sidebar-dark: #2c3e50;
    --color-sidebar-hover: #34495e;

    /* Bordas */
    --color-border-light: #dddddd;
    --color-border-extra-light: #eeeeee;

    /* Sombras */
    --simple-shadow: 0 2px 4px rgba(0, 0, 0, 0.205);
    --card-shadow: 0 4px 8px rgba(0,0,0,0.05);
    --hover-shadow: 0 6px 12px rgba(0,0,0,0.1);
    --sidebar-shadow: 2px 0 5px rgba(0,0,0,0.1);

    /* Filtro para logos/imagens no header */
    --app-header-shadow-filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.082));
}

body {
    font-family: var(--font-primary);
    margin: 0;
    background-color: var(--color-primary); /* Cor de fundo suave */
    font-optical-sizing: auto;
    color: var(--color-secondary);
}

.app-header {
    background-color: var(--color-primary);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--simple-shadow);
    color: var(--color-dark-text);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.app-logo {
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.app-logo h1 {
    margin: 0;
    font-size: 1.5rem;
    align-items: center;
    justify-items: center;
}

.logo-img {
    margin-right: .5rem;
    filter: var(--app-header-shadow-filter);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-greeting-block {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-info img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
}

/* Bloco de saudação com plano abaixo */
#userGreeting {
    display: block;
    font-size: 0.95rem;
    color: #161616;
}

.user-plan-badge {
    display: block;
    font-size: 0.72rem;
    color: rgba(29, 29, 29, 0.75);
    background: rgba(255, 255, 255, 0.15);
    padding: 1px 8px;
    border-radius: 20px;
    margin-top: 2px;
    letter-spacing: 0.03em;
}

/* ── Barra de progresso top (NProgress-style) ────────────────── */
#top-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, #4285f4, #34a853);
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(66, 133, 244, 0.6);
    transition: opacity 300ms ease;
}

#top-progress-bar.progress-done {
    transition: width 200ms ease, opacity 300ms ease 250ms;
}

/* ── Botão voltar ao topo ────────────────────────────────────── */
#scrollTopBtn {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 40px;
    height: 40px;
    background: var(--color-accent-blue);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
    z-index: 998;
    pointer-events: none;
}

#scrollTopBtn.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

#scrollTopBtn:hover {
    background: var(--color-accent-blue-hover);
    transform: translateY(-3px);
}

/* ── Hamburguer + overlay da sidebar ────────────────────────── */
#menuToggle {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-dark-text);
    padding: 6px 8px;
    border-radius: 6px;
    margin-right: 10px;
    line-height: 1;
    transition: background 0.2s ease;
}

#menuToggle:hover {
    background: rgba(0, 0, 0, 0.07);
}

#sidebarOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#sidebarOverlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

body.sidebar-open {
    overflow: hidden;
}

/* ── Toast notifications ────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 99998;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 360px;
    pointer-events: all;
    cursor: pointer;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 250ms ease, transform 250ms ease;
    line-height: 1.4;
}

.toast.toast-visible {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { background: #e6f4ea; color: #137333; border-left: 4px solid #34a853; }
.toast-error   { background: #fce8e6; color: #c5221f; border-left: 4px solid #ea4335; }
.toast-info    { background: #e8f0fe; color: #1a73e8; border-left: 4px solid #4285f4; }
.toast-warning { background: #fff3e0; color: #e65100; border-left: 4px solid #f57c00; }

.toast i { font-size: 1rem; flex-shrink: 0; }

/* Layout principal com CSS Grid */
.app-container {
    display: grid;
    grid-template-columns: 250px 1fr; /* Largura da sidebar e o restante para o conteúdo */
    min-height: calc(100vh - 65px); /* Ajusta para a altura da header */
    background-color: var(--color-background-light);
}

.sidebar {
    background-color: var(--color-sidebar-dark);
    color: var(--color-light-text);
    padding: 20px;
    box-shadow: var(--sidebar-shadow);
    position: sticky;
    top: 65px;
    height: calc(100vh - 65px);
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 7px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 0 12px 12px 0;
    margin-block: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

.sidebar-title {
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: 30px;
    text-align: center;
    color: var(--color-background-white);
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-nav li {
    margin-bottom: 10px;
}

.nav-button {
    background-color: transparent;
    color: var(--color-light-text);
    border: none;
    padding: 12px 15px;
    width: 100%;
    text-align: left;
    text-decoration: none;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s, color 0.2s;
    font-family: var(--font-secondary);
}

.nav-button:hover:not(.active), .nav-button.logout:hover {
    background-color: var(--color-sidebar-hover);
}

.nav-button.active {
    background-color: var(--color-accent-blue);
    color: var(--color-background-white);
    font-weight: bold;
}

.nav-button.logout {
    margin-top: 4.5rem; /* Separar um pouco do resto */
    color: var(--color-danger);
}

.nav-button.logout:hover {
    background-color: var(--color-danger-hover);
    color: var(--color-background-white);
}

/* Conteúdo Principal */
.main-content {
    padding: 20px 30px;
    overflow-y: auto;
    min-height: calc(100vh - 65px);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap; /* Para responsividade */
    gap: 15px;
}

.content-header h2 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--color-dark-text);
}

.logo-img {
    display: flex;
    flex-wrap: nowrap;
    width: 30px;
    height: auto;
}

.search-bar {
    display: flex;
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    overflow: hidden;
    background-color: var(--color-background-white);
}

.search-bar input {
    border: none;
    padding: 8px 15px;
    outline: none;
    font-size: 0.9rem;
    flex-grow: 1;
}

.search-bar button {
    background-color: var(--color-accent-blue);
    color: var(--color-background-white);
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-bar button:hover {
    background-color: var(--color-accent-blue-hover);
}

/* Layout de Cards do Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Colunas flexíveis */
    gap: 25px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--color-background-white);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card h3, .card h4 {
    margin-top: 0;
    color: var(--color-dark-text);
}

/* Card de Visão Geral do Armazenamento */
.storage-overview {
    grid-column: span 2; /* Ocupa 2 colunas */
    min-width: 300px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: .75rem;
}

.storage-display {
    width: 150px; /* Tamanho do gráfico */
    height: 150px;
    position: relative;
    margin: 20px 0;
}

.storage-display canvas {
    display: block; /* Garante que não tenha espaço extra */
    width: 100% !important; /* Sobrescreve o estilo inline do Chart.js */
    height: 100% !important;
}

.percentage-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-dark-text);
    font-weight: bold;
}

.percentage-overlay span {
    font-size: 2.2rem;
}

.percentage-overlay small {
    font-size: 0.8rem;
    color: var(--color-gray-text);
}

.storage-overview p {
    font-size: 0.9rem;
    color: var(--color-gray-text);
}

/* Cards de Ações Rápidas */
.quick-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.btn {
    padding: 12px 18px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%; /* Ajuste conforme necessário para o tamanho ideal */
    max-width: 250px;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--color-success-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-accent-blue);
    color: var(--color-background-white);
}

.btn-secondary:hover {
    background-color: var(--color-accent-blue-hover);
    transform: translateY(-2px);
}

/* Cards de Estatísticas */
.stat-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--color-accent-blue);
    margin-bottom: 10px;
}

.stat-card h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.stat-card p {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-dark-text);
}

/* Lista de Arquivos e Pastas */
.files-and-folders-list {
    grid-column: 1 / -1; /* Ocupa todas as colunas disponíveis */
}

.files-and-folders-list header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.files-and-folders-list h3 {
    margin: 0;
    color: var(--color-dark-text);
}

.view-all-link {
    color: var(--color-accent-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-all-link:hover {
    color: var(--color-accent-blue-hover);
}

/* Lista de Arquivos e Pastas (Antiga) - Ajustada para não conflitar */
.files-and-folders-list {
    grid-column: 1 / -1; /* Ocupa todas as colunas disponíveis */
}

.files-and-folders-list header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.files-and-folders-list h3 {
    margin: 0;
    color: var(--color-dark-text);
}

.view-all-link {
    color: var(--color-accent-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-all-link:hover {
    color: var(--color-accent-blue-hover);
}

.item {
    background-color: var(--color-background-light);
    border: 1px solid var(--color-border-extra-light);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.item:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.item i {
    font-size: 2.5rem;
    color: var(--color-warning); /* Cor para pastas */
    margin-bottom: 10px;
}

.item.file i {
    color: var(--color-accent-blue); /* Cor para arquivos */
}

.item span {
    font-weight: bold;
    font-size: 0.95rem;
    white-space: nowrap; /* Evita quebra de linha */
    overflow: hidden;    /* Esconde o excesso */
    text-overflow: ellipsis; /* Adiciona "..." */
    width: 100%;
    display: block;
    margin-bottom: 5px;
}

.item small {
    color: var(--color-item-detail);
    font-size: 0.8rem;
}

.btn-primary {
    text-decoration: none;
}

/* ── RODAPÉ ──────────────────────────────────────────────────── */

.app-footer {
    margin-top: auto;
    padding: 18px 20px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-gray-text);
    border-top: 1px solid var(--color-border-extra-light);
    letter-spacing: 0.02em;
    width: 100%;
    flex-shrink: 0;
}

/* ── TEMA ESCURO ─────────────────────────────────────────────── */

[data-theme="dark"] {
    --color-primary: #1a1d23;
    --color-secondary: #cbd5e1;
    --color-dark-text: #e2e8f0;
    --color-gray-text: #94a3b8;
    --color-item-detail: #64748b;
    --color-background-light: #1e2233;
    --color-background-white: #252840;
    --color-border-light: #374151;
    --color-border-extra-light: #2d3748;
    --color-sidebar-dark: #111827;
    --color-sidebar-hover: #1f2937;
    --card-shadow: 0 4px 8px rgba(0,0,0,0.35);
    --hover-shadow: 0 6px 12px rgba(0,0,0,0.45);
    --simple-shadow: 0 2px 4px rgba(0,0,0,0.4);
    --app-header-shadow-filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}

/* Itens com cores hard-coded no header */
[data-theme="dark"] #userGreeting {
    color: var(--color-dark-text);
}

[data-theme="dark"] .user-plan-badge {
    color: rgba(203, 213, 225, 0.8);
    background: rgba(255, 255, 255, 0.07);
}

/* Logo clara vira invertida no tema escuro */
[data-theme="dark"] .logo-img {
    filter: invert(1) drop-shadow(0 1px 3px rgba(0,0,0,0.4));
}

/* Toasts no tema escuro */
[data-theme="dark"] .toast-success {
    background: #052e16; color: #4ade80; border-left-color: #16a34a;
}
[data-theme="dark"] .toast-error {
    background: #450a0a; color: #f87171; border-left-color: #dc2626;
}
[data-theme="dark"] .toast-info {
    background: #0f2044; color: #93c5fd; border-left-color: #3b82f6;
}
[data-theme="dark"] .toast-warning {
    background: #431407; color: #fb923c; border-left-color: #ea580c;
}

/* Botão de alternância de tema */
#themeToggle {
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 1rem;
    cursor: pointer;
    color: var(--color-gray-text);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

#themeToggle:hover {
    background: var(--color-background-light);
    color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
}

/* Media Queries para Responsividade */
@media (max-width: 992px) {
    .app-container {
        grid-template-columns: 200px 1fr; /* Sidebar um pouco menor */
    }
    .sidebar {
        padding: 15px;
    }
    .nav-button {
        padding: 10px;
        font-size: 0.9rem;
    }
    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .search-bar {
        width: 100%;
    }
    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    .storage-overview {
        grid-column: span 1; /* Em telas menores, ocupa 1 coluna */
    }
    .items-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Hamburguer visível */
    #menuToggle {
        display: flex;
    }

    /* Grid sem coluna de sidebar */
    .app-container {
        grid-template-columns: 1fr;
    }

    /* Garante que o conteúdo não vaze horizontalmente */
    .main-content {
        min-width: 0;
        overflow-x: hidden;
    }

    /* Sidebar vira drawer fixo deslizando da esquerda */
    .sidebar {
        position: fixed;
        top: 65px;
        left: -260px;
        width: 250px;
        height: calc(100vh - 65px);
        z-index: 999;
        transition: left 0.3s ease;
        /* Mantém estilo base (cor, padding, shadow) */
    }

    .sidebar.is-open {
        left: 0;
    }

    /* Itens da nav voltam ao layout vertical normal */
    .sidebar-nav ul {
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 0;
    }

    .sidebar-nav li {
        max-width: 100%;
        flex: none;
    }

    .nav-button {
        justify-content: flex-start;
    }

    .nav-button i {
        display: inline;
        margin-bottom: 0;
    }

    .main-content {
        padding: 15px;
    }

    .content-header h2 {
        font-size: 1.5rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .storage-overview {
        grid-column: auto;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

@media (max-width: 480px) {
    .app-header {
        padding: 10px 15px;
    }

    .app-logo h1 {
        font-size: 1.2rem;
    }

    .user-info {
        font-size: 0.9rem;
    }

    .main-content {
        padding: 12px;
    }

    .content-header h2 {
        font-size: 1.3rem;
    }

    .search-bar input {
        padding: 6px 10px;
    }

    .btn {
        font-size: 0.9rem;
        padding: 10px 15px;
    }

    .stat-card i {
        font-size: 2rem;
    }

    .stat-card p {
        font-size: 1.2rem;
    }

    .percentage-overlay span {
        font-size: 1.8rem;
    }

    .item i {
        font-size: 2rem;
    }
}