:root {
    --font-body: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --admin-accent: #0062fc;
    --admin-accent-hover: #0045b5;
    --admin-accent-light: rgba(0, 98, 252, 0.1);
    --admin-sidebar-w: 260px;

    --admin-bg: #f8fafc;
    --admin-card-bg: #ffffff;
    --admin-card-border: #e2e8f0;
    --admin-sidebar-bg: #ffffff;
    --admin-sidebar-border: #e2e8f0;
    --admin-header-bg: #ffffff;
    --admin-text-main: #0f172a;
    --admin-text-muted: #64748b;
    --admin-input-bg: #ffffff;
    --admin-input-border: #cbd5e1;
    --admin-table-hover: #f1f5f9;
}

html, body { height: 100%; }

body {
    margin: 0;
    background: var(--admin-bg);
    color: var(--admin-text-main);
    font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6,
.admin-topbar__title,
.admin-sidebar__brand {
    font-family: var(--font-heading);
}

/* ========== LAYOUT ========== */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--admin-bg);
}

/* ========== SIDEBAR ========== */
.admin-sidebar {
    width: var(--admin-sidebar-w);
    flex-shrink: 0;
    background: var(--admin-sidebar-bg);
    border-right: 1px solid var(--admin-sidebar-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 300;
    transition: transform 0.25s ease;
}

.admin-sidebar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--admin-sidebar-border);
}

.admin-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--admin-text-main);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.admin-sidebar__logo {
    height: 28px;
    width: auto;
}

.admin-sidebar__close {
    display: none;
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
}
.admin-sidebar__close:hover { background: var(--admin-table-hover); }

.admin-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
}

.admin-sidebar__footer {
    padding: 0.75rem;
    border-top: 1px solid var(--admin-sidebar-border);
}

.admin-sidebar__logout {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: transparent;
    border: 1px solid #fecaca;
    color: #dc2626;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: background 0.15s;
}
.admin-sidebar__logout:hover { background: #fef2f2; }

/* ---------- Menu ---------- */
.menu-label {
    color: var(--admin-text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    margin: 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-label i {
    font-size: 0.8rem;
    width: 1.1rem;
    text-align: center;
}

.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-list a {
    color: var(--admin-text-muted);
    border-radius: 8px;
    padding: 0.55rem 0.75rem;
    margin-bottom: 2px;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
}

.menu-list a i {
    font-size: 0.9rem;
    width: 1.1rem;
    text-align: center;
    flex-shrink: 0;
}

.menu-list a:hover {
    background: var(--admin-accent-light);
    color: var(--admin-accent);
}

.menu-list a.is-active {
    background: var(--admin-accent-light);
    color: var(--admin-accent);
    font-weight: 600;
    border-left: 3px solid var(--admin-accent);
    padding-left: calc(0.75rem - 3px);
}

.menu-list a.is-disabled {
    color: var(--admin-text-muted);
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Menu Group (collapsible) ---------- */
.menu-group { margin: 0.25rem 0; }

.menu-group > summary.menu-label {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-right: 0.75rem;
    user-select: none;
    border-radius: 8px;
    transition: background 0.15s;
}
.menu-group > summary.menu-label:hover { background: var(--admin-accent-light); }

.menu-group > summary.menu-label > i {
    font-size: 0.8rem;
    width: 1.1rem;
    text-align: center;
}

.menu-group > summary.menu-label > span { flex: 1; }

.menu-group > summary.menu-label::-webkit-details-marker { display: none; }

.menu-group > summary.menu-label::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--admin-text-muted);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.menu-group[open] > summary.menu-label::after {
    transform: rotate(180deg);
}

/* ========== SIDEBAR OVERLAY (mobile) ========== */
.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 290;
}
.admin-sidebar-overlay--visible { display: block; }

/* ========== MAIN ========== */
.admin-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    margin-left: var(--admin-sidebar-w);
}

.admin-topbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--admin-header-bg);
    border-bottom: 1px solid var(--admin-card-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-topbar__hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--admin-text-main);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
}
.admin-topbar__hamburger:hover { background: var(--admin-table-hover); }

.admin-topbar__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--admin-text-main);
    margin: 0;
}

.admin-content {
    flex: 1;
    padding: 1.75rem;
    overflow-y: auto;
    color: var(--admin-text-main);
}

/* ---------- Cards ---------- */
.admin-card {
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    border-radius: 12px;
    padding: 1.25rem;
}

/* ---------- Botão accent ---------- */
.button.is-gold,
.button.is-primary {
    background: var(--admin-accent);
    border-color: var(--admin-accent);
    color: #ffffff;
    font-weight: 600;
    border-radius: 8px;
}

.button.is-gold:hover,
.button.is-primary:hover {
    background: var(--admin-accent-hover);
    border-color: var(--admin-accent-hover);
    color: #ffffff;
}

.button.is-gold-outline {
    background: transparent;
    border: 1px solid var(--admin-accent);
    color: var(--admin-accent);
    border-radius: 8px;
}

.button.is-gold-outline:hover {
    background: var(--admin-accent-light);
    color: var(--admin-accent);
}

/* ---------- Inputs ---------- */
.admin-content .input,
.admin-content .select select,
.admin-content .textarea {
    background: var(--admin-input-bg);
    border-color: var(--admin-input-border);
    color: var(--admin-text-main);
}

.admin-content .input:focus,
.admin-content .select select:focus,
.admin-content .textarea:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 0.125em var(--admin-accent-light);
}

.admin-content .label {
    color: var(--admin-text-main);
}

/* ---------- Tabelas ---------- */
.admin-content .table {
    background: transparent;
    color: var(--admin-text-main);
}

.admin-content .table th {
    color: var(--admin-text-muted);
    border-color: var(--admin-card-border);
}

.admin-content .table td {
    border-color: var(--admin-card-border);
}

.admin-content .table.is-hoverable tbody tr:hover {
    background: var(--admin-table-hover);
}

/* ========== RESPONSIVO ========== */
@media (max-width: 900px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar--open {
        transform: translateX(0);
    }

    .admin-sidebar__close {
        display: block;
    }

    .admin-main {
        margin-left: 0;
    }

    .admin-topbar__hamburger {
        display: block;
    }

    .admin-content {
        padding: 1rem;
    }
}