/* ══════════════════════════════════════════════════════════════════
   Nano RAG Admin — Painel Administrativo
   ══════════════════════════════════════════════════════════════════ */

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

:root {
    --primary:     #10b981;
    --primary-dk:  #059669;
    --primary-glow:rgba(16,185,129,0.15);
    --bg:          #0d1117;
    --bg-2:        #161b22;
    --bg-3:        #21262d;
    --border:      rgba(255,255,255,0.08);
    --border-b:    rgba(16,185,129,0.3);
    --text:        #e6edf3;
    --text-muted:  #7d8590;
    --text-dim:    #484f58;
    --danger:      #f85149;
    --warning:     #f0883e;
    --success:     #3fb950;
    --radius:      8px;
    --sidebar-w:   220px;
    --topbar-h:    56px;
}

[data-theme="nebula"]          { --primary:#8b5cf6; --primary-dk:#7c3aed; --primary-glow:rgba(139,92,246,.15); --border-b:rgba(139,92,246,.3); --bg:#0d0b14; --bg-2:#13101c; --bg-3:#1a1527; }
[data-theme="hacker-terminal"] { --primary:#00ff41; --primary-dk:#00cc33; --primary-glow:rgba(0,255,65,.1);   --border-b:rgba(0,255,65,.4);   --bg:#000;    --bg-2:#050505; --bg-3:#0a0a0a; }
[data-theme="sakura"]          { --primary:#f472b6; --primary-dk:#ec4899; --primary-glow:rgba(244,114,182,.15);--border-b:rgba(244,114,182,.3);--bg:#1a0a12; --bg-2:#22101a; --bg-3:#2a1522; }
[data-theme="obsidian"]        { --primary:#9ca3af; --primary-dk:#6b7280; --primary-glow:rgba(156,163,175,.1); --border-b:rgba(156,163,175,.3);--bg:#111;    --bg-2:#1a1a1a; --bg-3:#222; }
[data-theme="solar-flare"]     { --primary:#f59e0b; --primary-dk:#d97706; --primary-glow:rgba(245,158,11,.15); --border-b:rgba(245,158,11,.3); --bg:#0f0900; --bg-2:#180e00; --bg-3:#221400; }
[data-theme="arctic-wave"]     { --primary:#0ea5e9; --primary-dk:#0284c7; --primary-glow:rgba(14,165,233,.15); --border-b:rgba(14,165,233,.3); --bg:#030b12; --bg-2:#061018; --bg-3:#0a1a24; }

html,body { height:100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5;
    display: flex; overflow: hidden;
}

::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:99px; }

/* ── Login ─────────────────────────────────────────────────────── */
#login-screen {
    position:fixed; inset:0; display:flex; align-items:center; justify-content:center;
    background:var(--bg); z-index:9999;
}
#login-screen.hidden { display:none; }

.login-box {
    background:var(--bg-2); border:1px solid var(--border-b); border-radius:16px;
    padding:40px 36px; width:100%; max-width:360px;
    box-shadow:0 0 60px var(--primary-glow);
}
.logo { text-align:center; margin-bottom:28px; }
.logo .icon-wrapper { font-size:40px; display:flex; justify-content:center; margin-bottom:12px; }
.logo .icon-wrapper svg { width:48px; height:48px; color:var(--primary); filter:drop-shadow(0 0 8px var(--primary-glow)); }
.logo h1 { font-size:20px; color:var(--primary); font-weight:700; }
.logo small { font-size:12px; color:var(--text-muted); }

.login-step { display:none; }
.login-step.active { display:block; }
#otp-countdown { font-size:12px; color:var(--text-muted); text-align:center; margin-bottom:10px; min-height:18px; }

/* ── Sidebar ───────────────────────────────────────────────────── */
#sidebar {
    width:var(--sidebar-w); min-width:var(--sidebar-w);
    background:var(--bg-2); border-right:1px solid var(--border);
    display:flex; flex-direction:column; padding-top:0;
    transition:transform .3s; z-index:100; overflow:hidden;
}
.brand {
    padding:18px 16px; font-size:16px; font-weight:700;
    color:var(--primary); border-bottom:1px solid var(--border);
    letter-spacing:1px;
}
#sidebar nav { display:flex; flex-direction:column; padding:10px 8px; flex:1; }
.nav-link {
    display:flex; align-items:center; gap:10px;
    padding:9px 12px; border-radius:var(--radius);
    color:var(--text-muted); text-decoration:none; font-size:13px; font-weight:500;
    transition:all .15s; margin-bottom:2px;
}
.nav-link:hover { background:var(--bg-3); color:var(--text); }
.nav-link.active { background:var(--primary-glow); color:var(--primary); border-left:2px solid var(--primary); }
.nav-link .icon { font-size:15px; }

#sidebar-overlay {
    position:fixed; inset:0; background:rgba(0,0,0,.6);
    z-index:90; display:none;
}
#sidebar-overlay.active { display:block; }

/* ── Main ──────────────────────────────────────────────────────── */
#main { flex:1; display:flex; flex-direction:column; overflow:hidden; min-width:0; }

#topbar {
    height:var(--topbar-h); background:var(--bg-2); border-bottom:1px solid var(--border);
    display:flex; align-items:center; padding:0 20px; gap:12px;
}
.page-title { flex:1; font-size:15px; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.user-badge { display:flex; align-items:center; gap:10px; }
.user-badge span { font-size:12px; color:var(--text-muted); }
.logout-btn { background:none; border:1px solid var(--border); color:var(--text-muted); padding:5px 12px; border-radius:var(--radius); cursor:pointer; font-size:12px; transition:all .15s; }
.logout-btn:hover { color:var(--danger); border-color:rgba(248,81,73,.4); }

/* Hamburger */
#btn-menu-toggle {
    display:none; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding:6px;
}
#btn-menu-toggle span { display:block; width:22px; height:2px; background:var(--text); border-radius:2px; transition:all .3s; }
.nav-open #btn-menu-toggle span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-open #btn-menu-toggle span:nth-child(2) { opacity:0; }
.nav-open #btn-menu-toggle span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

#content { flex:1; overflow-y:auto; padding:20px; }

/* ── Sections ──────────────────────────────────────────────────── */
.section { display:none; }
.section.active { display:block; }

/* ── Cards ─────────────────────────────────────────────────────── */
.card { background:var(--bg-2); border:1px solid var(--border); border-radius:12px; padding:20px; margin-bottom:16px; }
.card-header { display:flex; align-items:center; gap:12px; margin-bottom:16px; padding-bottom:12px; border-bottom:1px solid var(--border); }
.card-header h2 { flex:1; font-size:15px; font-weight:600; }

/* ── Form ──────────────────────────────────────────────────────── */
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:11px; font-weight:600; color:var(--text-muted); margin-bottom:5px; text-transform:uppercase; letter-spacing:.5px; }
input[type="text"], input[type="email"], input[type="number"], textarea, select {
    width:100%; padding:8px 11px; background:var(--bg-3); border:1px solid var(--border);
    border-radius:var(--radius); color:var(--text); font-size:13px; font-family:inherit;
    outline:none; transition:border-color .2s; appearance:none;
}
input:focus, textarea:focus, select:focus { border-color:var(--border-b); }
textarea { resize:vertical; min-height:100px; }
select option { background:var(--bg-2); }

/* ── Buttons ────────────────────────────────────────────────────── */
.btn { padding:8px 16px; border-radius:var(--radius); font-size:13px; font-weight:600; cursor:pointer; border:none; display:inline-flex; align-items:center; gap:6px; transition:all .2s; }
.btn-primary { background:var(--primary); color:#000; }
.btn-primary:hover { background:var(--primary-dk); }
.btn-outline { background:none; border:1px solid var(--border); color:var(--text-muted); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-danger { background:none; border:1px solid rgba(248,81,73,.3); color:var(--danger); }
.btn-danger:hover { background:rgba(248,81,73,.1); }
.btn-success { background:none; border:1px solid rgba(63,185,80,.3); color:var(--success); }
.btn-success:hover { background:rgba(63,185,80,.1); }
.btn-sm { padding:4px 10px; font-size:12px; }
.btn .icon-svg { transition: transform 0.2s; }
.btn:hover .icon-svg { transform: scale(1.1); }

/* ── Ingest Tabs & Panels ────────────────────────────────────────── */
.ingest-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 16px; gap: 4px; }
.ingest-tab {
    padding: 8px 12px; font-size: 11px; font-weight: 600; color: var(--text-muted);
    cursor: pointer; border-bottom: 2px solid transparent; text-transform: uppercase;
    transition: all 0.2s;
}
.ingest-tab:hover { color: var(--text); }
.ingest-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.ingest-panel { display: none; margin-bottom: 16px; }
.ingest-panel.active { display: block; animation: fadeIn 0.3s ease; }

/* ── Drop Zone ──────────────────────────────────────────────────── */
.drop-zone {
    border: 2px dashed var(--border); border-radius: 12px; padding: 32px 20px;
    text-align: center; cursor: pointer; transition: all 0.2s; color: var(--text-muted);
}
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--primary); background: var(--primary-glow); color: var(--primary); }
.drop-zone .icon { font-size: 28px; margin-bottom: 8px; display: block; }
.drop-zone strong { color: var(--primary); }

/* ── Progress & Badges ───────────────────────────────────────────── */
.ingest-progress { background: var(--bg-3); border-radius: 99px; height: 6px; overflow: hidden; margin: 12px 0; display: none; }
.ingest-progress-fill { height: 100%; border-radius: 99px; background: var(--primary); width: 0%; transition: width 0.3s ease; box-shadow: 0 0 10px var(--primary-glow); }
.ingest-progress-label { font-size: 11px; color: var(--text-muted); text-align: center; display: block; }

.ocr-badge { font-size: 10px; padding: 2px 6px; border-radius: 4px; margin-left: 8px; display: none; }
.ocr-badge.browser { background: rgba(245,158,11,0.15); color: var(--warning); }
.ocr-badge.server { background: rgba(16,185,129,0.15); color: var(--primary); }

.chunk-preview { font-size: 11px; color: var(--text-dim); margin-top: 4px; display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* ── Table ──────────────────────────────────────────────────────── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
th { font-size:11px; color:var(--text-muted); text-align:left; padding:8px 12px; border-bottom:1px solid var(--border); font-weight:600; text-transform:uppercase; letter-spacing:.5px; white-space:nowrap; }
td { padding:10px 12px; border-bottom:1px solid var(--border); font-size:13px; vertical-align:top; }
tr:last-child td { border-bottom:none; }
tr:hover td { background:var(--bg-3); }
.truncate { max-width:300px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ── Badge ──────────────────────────────────────────────────────── */
.badge { display:inline-block; padding:2px 8px; border-radius:99px; font-size:11px; font-weight:600; }
.badge-image  { background:rgba(14,165,233,.15);  color:#0ea5e9; }
.badge-pdf    { background:rgba(248,81,73,.15);   color:var(--danger); }
.badge-text   { background:rgba(16,185,129,.15);  color:var(--primary); }
.badge-manual { background:rgba(156,163,175,.15); color:var(--text-muted); }

/* ── Empty ──────────────────────────────────────────────────────── */
.empty { display:flex; flex-direction:column; align-items:center; padding:40px 24px; gap:10px; color:var(--text-muted); }
.empty-icon { font-size:32px; }

/* ── Pagination ─────────────────────────────────────────────────── */
.pagination { display:flex; align-items:center; gap:10px; justify-content:center; padding-top:14px; }
.pagination span { font-size:12px; color:var(--text-muted); }

/* ── Theme grid ─────────────────────────────────────────────────── */
.theme-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:10px; margin-bottom:16px; }
.theme-card {
    border:2px solid var(--border); border-radius:var(--radius); padding:12px 8px;
    cursor:pointer; text-align:center; transition:all .2s;
}
.theme-card:hover, .theme-card.selected { border-color:var(--primary); }
.theme-card.selected { background:var(--primary-glow); }
.theme-swatch { width:32px; height:32px; border-radius:50%; margin:0 auto 6px; }
.theme-label { font-size:11px; color:var(--text-muted); font-weight:600; }

/* ── Badge extra tipos ──────────────────────────────────────────── */
.badge-url    { background:rgba(139,92,246,.15); color:#8b5cf6; }
.badge-bulk   { background:rgba(245,158,11,.15); color:var(--warning); }
.badge-markdown { background:rgba(16,185,129,.12); color:var(--primary); }

/* ── Modal de Fragmentos ────────────────────────────────────────── */
.modal-overlay {
    position:fixed; inset:0;
    background:rgba(0,0,0,.72);
    display:flex; align-items:center; justify-content:center;
    z-index:900;
}
.modal-box {
    background:var(--bg-2); border:1px solid var(--border-b); border-radius:12px;
    width:92%; max-width:700px; max-height:82vh;
    display:flex; flex-direction:column;
    box-shadow:0 0 60px rgba(0,0,0,.5);
}
.modal-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 20px; border-bottom:1px solid var(--border);
    flex-shrink:0;
}
.modal-header h3 { font-size:15px; font-weight:600; }
.modal-hint {
    font-size:12px; color:var(--text-muted);
    padding:8px 20px; background:var(--bg-3); border-bottom:1px solid var(--border);
    flex-shrink:0;
}
.modal-body {
    padding:16px 20px; overflow-y:auto; flex:1;
    display:flex; flex-direction:column; gap:10px;
}
.modal-footer {
    display:flex; gap:8px; padding:12px 20px; flex-shrink:0;
    border-top:1px solid var(--border); justify-content:space-between;
}
.chunk-item {
    display:flex; gap:8px; align-items:flex-start;
}
.chunk-item textarea {
    flex:1; min-height:80px; resize:vertical; font-size:13px;
    background:var(--bg-3); border:1px solid var(--border);
    border-radius:var(--radius); color:var(--text); padding:8px;
}
.chunk-item textarea:focus { outline:none; border-color:var(--primary); }
.btn-remove-chunk {
    flex-shrink:0; background:none; border:1px solid var(--border);
    color:var(--danger); cursor:pointer; padding:4px 8px;
    border-radius:6px; font-size:13px; transition:background .15s;
}
.btn-remove-chunk:hover { background:rgba(248,81,73,.12); }

/* ── Fila de Upload em Lote ─────────────────────────────────────── */
.queue-item {
    display:flex; align-items:center; gap:10px;
    padding:8px 12px; background:var(--bg-3); border-radius:6px;
    margin-bottom:6px; font-size:12px;
}
.queue-item-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.queue-status {
    font-size:11px; padding:2px 8px; border-radius:99px;
    font-weight:600; white-space:nowrap;
}
.queue-status-pending    { background:rgba(125,133,144,.15); color:var(--text-muted); }
.queue-status-processing { background:rgba(245,158,11,.15);  color:var(--warning); }
.queue-status-done       { background:rgba(63,185,80,.15);   color:var(--success); }
.queue-status-error      { background:rgba(248,81,73,.15);   color:var(--danger); }

/* ── Origins ────────────────────────────────────────────────────── */
.origins-list { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:12px; }
.origin-tag {
    display:flex; align-items:center; gap:6px;
    background:var(--bg-3); border:1px solid var(--border);
    border-radius:99px; padding:4px 10px; font-size:12px;
}
.origin-remove { background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:13px; padding:0; line-height:1; }
.origin-remove:hover { color:var(--danger); }

/* ── Toast ──────────────────────────────────────────────────────── */
#toast-container { position:fixed; bottom:24px; right:24px; display:flex; flex-direction:column; gap:8px; z-index:99999; }
.toast { padding:11px 16px; border-radius:var(--radius); font-size:13px; font-weight:500; animation:toast-in .3s ease; max-width:300px; }
.toast.success { background:var(--primary); color:#000; }
.toast.error { background:var(--danger); color:#fff; }
.toast.info { background:var(--bg-3); color:var(--text); border:1px solid var(--border); }
@keyframes toast-in { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* ── Spinner ────────────────────────────────────────────────────── */
.spinner { display:inline-block; width:16px; height:16px; border:2px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .6s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ── SVG Icons Helper ────────────────────────────────────────────── */
.icon-svg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    flex-shrink: 0;
    width: 1.2em;
    height: 1.2em;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
}
.icon-svg-lg { width: 1.5em; height: 1.5em; }
.icon-svg-xl { width: 2em; height: 2em; }
.nav-link .icon-svg { margin-right: 0; }
.btn .icon-svg { transition: transform 0.2s; }
.btn:hover .icon-svg { transform: scale(1.1); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
    #sidebar {
        position:fixed; left:0; top:0; bottom:0;
        transform:translateX(-100%); z-index:200;
    }
    .nav-open #sidebar { transform:translateX(0); }
    .nav-open #sidebar-overlay { display:block; }
    #btn-menu-toggle { display:flex; }
    #content { padding:14px; }
}