/* ====== ISNaDBiblio Design System — Clean Academic Light Theme ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    /* Light Theme (default) */
    --bg-primary: #f7f8fc; --bg-secondary: #ffffff; --bg-card: #ffffff;
    --bg-card-hover: #f0f2f8; --bg-elevated: #f1f3f9;
    --border: rgba(30,40,80,0.1); --border-hover: rgba(99,102,241,0.3);
    --text: #1e2a4a; --text-secondary: #5a6480; --text-muted: #8b95b0;
    --accent: #4f46e5; --accent-2: #7c3aed; --pink: #ec4899; --cyan: #06b6d4;
    --green: #10b981; --orange: #f59e0b;
    --danger: #ef4444; --warning: #f59e0b; --success: #10b981;
    --sidebar-w: 250px; --radius: 12px; --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06); --shadow: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
    --gradient: linear-gradient(135deg, #4f46e5, #7c3aed);
    --gradient-pink: linear-gradient(135deg, #ec4899, #f472b6);
}
[data-theme="dark"] {
    --bg-primary: #0f1117; --bg-secondary: #171923; --bg-card: #1e2030;
    --bg-card-hover: #262940; --bg-elevated: #232640;
    --border: rgba(99,102,241,0.12); --border-hover: rgba(99,102,241,0.3);
    --text: #e8eafc; --text-secondary: #9ca3c0; --text-muted: #5d6089;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2); --shadow: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}
html, body { height: 100%; font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg-primary); color: var(--text); overflow: hidden; }
.hidden { display: none !important; }

/* ====== APP LAYOUT ====== */
.app { display: flex; height: 100vh; }

/* ====== SIDEBAR ====== */
.sidebar {
    width: var(--sidebar-w); background: var(--bg-secondary); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; position: fixed; left: 0; top: 0; bottom: 0;
    z-index: 100; transition: transform var(--transition); box-shadow: var(--shadow-sm);
}
.sidebar-header { padding: 1.25rem 1.2rem; border-bottom: 1px solid var(--border); }
.logo { display: flex; align-items: center; gap: 0.65rem; }
.logo-icon { width: 34px; height: 34px; }
.logo-text {
    font-size: 1.2rem; font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.sidebar-nav { flex: 1; padding: 0.75rem 0.6rem; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
    display: flex; align-items: center; gap: 0.7rem; padding: 0.65rem 0.9rem;
    border: none; background: none; color: var(--text-secondary); font-size: 0.84rem;
    font-weight: 500; border-radius: var(--radius-sm); cursor: pointer;
    transition: all var(--transition); width: 100%; text-align: left; font-family: inherit;
    position: relative;
}
.nav-item:hover { background: rgba(79,70,229,0.06); color: var(--text); }
.nav-item.active { background: rgba(79,70,229,0.1); color: var(--accent); font-weight: 600; }
.nav-item.active::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 60%; background: var(--accent); border-radius: 0 4px 4px 0;
}

/* ── Sidebar Section Group Labels ── */
.nav-group-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    padding: 0.9rem 0.9rem 0.4rem;
    margin-top: 0.35rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-group-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
}
.nav-group-label.first {
    margin-top: 0;
    padding-top: 0.4rem;
}
[data-theme="dark"] .nav-group-label {
    color: var(--text-muted);
}

.badge { background: var(--danger); color: #fff; font-size: 0.65rem; font-weight: 700; padding: 1px 6px; border-radius: 10px; margin-left: auto; }
.sidebar-footer { padding: 1rem 1.2rem; border-top: 1px solid var(--border); }
.data-info { font-size: 0.75rem; color: var(--text-muted); text-align: center; }
.data-count { color: var(--accent); font-weight: 700; font-family: 'JetBrains Mono', monospace; }

/* ====== MAIN CONTENT ====== */
.main-content { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; height: 100vh; }
.top-bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.75rem 1.75rem; border-bottom: 1px solid var(--border);
    background: var(--bg-secondary); flex-shrink: 0; box-shadow: var(--shadow-sm);
}
.top-bar-left { display: flex; align-items: center; gap: 0.75rem; }
.menu-toggle { display: none; background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.25rem; font-size: 1.2rem; }
.page-title { font-size: 1.1rem; font-weight: 700; }
.top-bar-right { display: flex; align-items: center; gap: 0.5rem; }
.file-upload-btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem; background: var(--gradient); color: #fff;
    border-radius: var(--radius-sm); cursor: pointer; font-size: 0.8rem;
    font-weight: 600; transition: all var(--transition); border: none; font-family: inherit;
}
.file-upload-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(79,70,229,0.35); }
.icon-btn {
    background: var(--bg-elevated); border: 1px solid var(--border);
    color: var(--text-secondary); padding: 0.5rem; border-radius: var(--radius-sm);
    cursor: pointer; transition: all var(--transition); font-family: inherit;
}
.icon-btn:hover { border-color: var(--border-hover); color: var(--text); }

/* ====== CONTENT AREA ====== */
.content-area { flex: 1; overflow-y: auto; padding: 1.75rem; scroll-behavior: smooth; }
.content-area::-webkit-scrollbar { width: 6px; }
.content-area::-webkit-scrollbar-track { background: transparent; }
.content-area::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 3px; }

/* ====== CARDS ====== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.25rem; transition: all var(--transition); box-shadow: var(--shadow-sm);
}
.card:hover { border-color: var(--border-hover); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-label {
    font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.5rem;
}
.card-value {
    font-size: 1.65rem; font-weight: 800; font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
}
.card-value.danger { color: var(--danger); }
.card-value.warning { color: var(--warning); }
.card-value.success { color: var(--success); }
.card-value.pink { color: var(--pink); }
.card-value.blue { color: var(--cyan); }
.card-sub { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.25rem; }

/* ====== PANELS ====== */
.panel {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.25rem; margin-bottom: 1.25rem; box-shadow: var(--shadow-sm);
}
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.panel-title { font-size: 0.95rem; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.chart-container { position: relative; height: 320px; }
.chart-container.tall { height: 420px; }
.chart-container.short { height: 260px; }

/* ====== TABLES ====== */
table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
th {
    text-align: left; padding: 0.65rem 0.75rem; color: var(--text-muted);
    font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border); position: sticky; top: 0; background: var(--bg-card);
}
td { padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: top; }
tr:hover td { background: rgba(79,70,229,0.03); }
.mono { font-family: 'JetBrains Mono', monospace; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-success { color: var(--success); }
.fw-600 { font-weight: 600; }
.truncate { max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.68rem; font-weight: 600; }
.tag-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.tag-warning { background: rgba(245,158,11,0.1); color: #d97706; }
.tag-success { background: rgba(16,185,129,0.1); color: var(--success); }
.tag-info { background: rgba(6,182,212,0.1); color: var(--cyan); }
.tag-purple { background: rgba(124,58,237,0.1); color: var(--accent-2); }

/* ====== FORM ELEMENTS (Global) ====== */
select, .search-input, input[type="text"], input[type="number"], input[type="email"], textarea {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 0.5rem 0.85rem;
    color: var(--text); font-family: 'Inter', system-ui, sans-serif; font-size: 0.82rem;
    outline: none; transition: all var(--transition); width: 100%;
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
}
select {
    padding-right: 2rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a6480' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.65rem center;
    background-size: 12px;
    cursor: pointer;
}
select:focus, .search-input:focus, input[type="text"]:focus, input[type="number"]:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}
select:hover, .search-input:hover, input[type="text"]:hover, input[type="number"]:hover {
    border-color: var(--border-hover);
}
input::placeholder, .search-input::placeholder, textarea::placeholder { color: var(--text-muted); }
[data-theme="dark"] select {
    background-color: var(--bg-elevated);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3c0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.65rem center;
    background-size: 12px;
    color-scheme: dark;
}
[data-theme="dark"] input, [data-theme="dark"] textarea {
    color-scheme: dark;
}

/* Dark mode: stats/metric numbers should be light, not indigo on dark bg */
[data-theme="dark"] .card-value {
    color: #c7d2fe;  /* soft indigo-100, visible and beautiful on dark cards */
}
[data-theme="dark"] .card-value.danger  { color: #fca5a5; }
[data-theme="dark"] .card-value.warning { color: #fde68a; }
[data-theme="dark"] .card-value.success { color: #6ee7b7; }
[data-theme="dark"] .card-value.pink    { color: #f9a8d4; }
[data-theme="dark"] .card-value.blue    { color: #7dd3fc; }
input[type="checkbox"] {
    width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer;
    border-radius: 4px; vertical-align: middle; margin-right: 0.3rem;
}

/* ─── Form Groups ─── */
.form-group { margin-bottom: 0.6rem; }
.form-group label, .form-label {
    display: block; font-size: 0.72rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.3rem;
}
.form-inline-label { display: inline; font-size: .78rem; font-weight: 500; color: var(--text-secondary); }
.form-row { display: flex; gap: 0.5rem; align-items: center; }

/* ─── PRISMA Stage Cards ─── */
.prisma-stage {
    padding: 1rem; border-radius: var(--radius); position: relative;
    background: var(--bg-card); border: 1px solid var(--border);
    box-shadow: var(--shadow-sm); transition: all var(--transition);
}
.prisma-stage:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.prisma-stage-header {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.78rem; font-weight: 700; margin-bottom: 0.75rem;
    padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.prisma-stage-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px; border-radius: 50%; font-size: 0.7rem;
    font-weight: 800; color: #fff; flex-shrink: 0;
}

/* ====== GRID LAYOUTS ====== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.25rem; }
.full-width { grid-column: 1 / -1; }

/* ====== ANOMALY ====== */
.anomaly-list { display: flex; flex-direction: column; gap: 0.75rem; }
.anomaly-item { background: var(--bg-elevated); border-radius: var(--radius-sm); padding: 1rem; border-left: 3px solid var(--warning); transition: all var(--transition); }
.anomaly-item:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.anomaly-item.critical { border-left-color: var(--danger); }
.anomaly-item.info { border-left-color: var(--cyan); }
.anomaly-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.35rem; }
.anomaly-type { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.anomaly-title { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.anomaly-desc { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.anomaly-meta { display: flex; gap: 1rem; margin-top: 0.4rem; font-size: 0.72rem; color: var(--text-muted); }

/* ====== PROGRESS BAR ====== */
.progress { width: 100%; height: 8px; background: var(--bg-elevated); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }

/* ====== SEVERITY ====== */
.severity-bar { width: 60px; height: 6px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; display: inline-block; vertical-align: middle; }
.severity-fill { height: 100%; border-radius: 3px; }
.severity-low { background: var(--success); width: 30%; }
.severity-medium { background: var(--warning); width: 60%; }
.severity-high { background: var(--danger); width: 90%; }

/* ====== CANVAS / NETWORK ====== */
.vos-canvas { width: 100%; height: 500px; background: var(--bg-elevated); border-radius: var(--radius); cursor: grab; border: 1px solid var(--border); }
.vos-canvas:active { cursor: grabbing; }

/* ====== TAB ====== */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ====== STAT ROW ====== */
.stat-row { display: flex; gap: .5rem; align-items: center; padding: .4rem 0; border-bottom: 1px solid var(--border); }
.stat-label { flex: 1; font-size: .78rem; color: var(--text-secondary); }
.stat-val { font-family: 'JetBrains Mono', monospace; font-size: .82rem; font-weight: 600; color: var(--accent); }

/* ====== CHAIN NODES ====== */
.chain-node { display: inline-flex; align-items: center; gap: .3rem; padding: 2px 8px; border-radius: 12px; font-size: .72rem; font-weight: 600; background: rgba(79,70,229,.08); color: var(--accent); margin: 2px; }
.chain-arrow { color: var(--text-muted); font-size: .7rem; margin: 0 2px; }

/* ====== TABLE SCROLL ====== */
.table-scroll { max-height: 400px; overflow-y: auto; }
.table-scroll::-webkit-scrollbar { width: 4px; }
.table-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 2px; }

/* ====== THEME TOGGLE ====== */
.theme-toggle {
    background: var(--bg-elevated); border: 1px solid var(--border);
    color: var(--text-secondary); padding: 0.45rem 0.75rem; border-radius: var(--radius-sm);
    cursor: pointer; font-size: 0.85rem; transition: all var(--transition); font-family: inherit;
}
.theme-toggle:hover { border-color: var(--border-hover); color: var(--text); }

/* ====== FILTER BAR ====== */
.filter-bar {
    display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 0.75rem 1rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 1rem; box-shadow: var(--shadow-sm);
}
.filter-bar select, .filter-bar input {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 6px; padding: 0.4rem 0.65rem; font-size: 0.78rem;
    color: var(--text); font-family: inherit; outline: none;
}
.filter-bar select:focus, .filter-bar input:focus { border-color: var(--accent); }
.filter-bar label { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; }

/* ====== CHART CANVAS ====== */
.chart-wrap { position: relative; width: 100%; height: 300px; }
.chart-wrap canvas { width: 100% !important; height: 100% !important; }

/* ====== EMPTY STATE ====== */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
    .filter-bar { flex-direction: column; }
}

/* ─── Download Bar ─── */
.download-bar {
    display: flex; gap: 0.4rem; margin-left: auto;
}
.btn-download {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.35rem 0.7rem; font-size: 0.72rem; font-weight: 600;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text-secondary); cursor: pointer;
    font-family: 'Inter', system-ui, sans-serif;
    transition: all var(--transition);
}
.btn-download:hover {
    border-color: var(--accent); color: var(--accent);
    background: rgba(79,70,229,0.06); transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(79,70,229,0.15);
}
.btn-download i { font-size: 0.7rem; }
.panel-header-flex {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 0.75rem;
}

/* ─── Configurator Controls ─── */
.select-cfg {
    display: block; margin-top: .25rem;
    padding: .45rem .75rem; font-size: .78rem;
    border: 1px solid var(--border); border-radius: 6px;
    background: var(--bg-card); color: var(--text);
    cursor: pointer; min-width: 120px;
    transition: border-color .2s;
}
.select-cfg:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); }
.btn-primary {
    padding: .5rem 1.25rem; font-size: .78rem; font-weight: 600;
    background: var(--accent); color: #fff; border: none; border-radius: 6px;
    cursor: pointer; transition: all .2s;
}
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(79,70,229,0.3); }

/* ─── Stat Row (Biblioshiny Main Info style) ─── */
.stat-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: .4rem .6rem; border-bottom: 1px solid var(--border);
    font-size: .78rem;
}
.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--text-secondary); }
.stat-val { font-weight: 700; color: var(--text); font-family: 'JetBrains Mono', monospace; }

/* ─── Text Utilities ─── */
.text-success { color: var(--green); }
.text-warning { color: var(--orange); }
.text-danger { color: #ef4444; }

/* ─── Author Profile Modal ─── */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
    z-index: 9999; display: flex; align-items: center; justify-content: center;
}
.modal-content {
    background: var(--bg-card); border-radius: 12px; padding: 1.5rem;
    width: 90%; max-width: 720px; max-height: 85vh; overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3); position: relative;
    border: 1px solid var(--border);
}
.modal-close {
    position: absolute; top: .75rem; right: .75rem;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 6px; width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: .9rem; color: var(--text-muted);
    transition: all .2s;
}
.modal-close:hover { background: var(--accent); color: #fff; }

/* ─── Clickable Author Names ─── */
.author-link {
    color: var(--accent); cursor: pointer; font-weight: 600;
    transition: all .2s; border-bottom: 1px dashed transparent;
}
.author-link:hover {
    color: var(--accent-2); border-bottom-color: var(--accent-2);
    text-shadow: 0 0 8px rgba(79,70,229,0.2);
}

/* ====== AUTH OVERLAY ====== */
#auth-overlay {
    position: fixed; inset: 0; z-index: 99999;
    background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
}
.auth-card {
    width: 100%; max-width: 400px; padding: 2.5rem 2rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.auth-logo {
    text-align: center; margin-bottom: 2rem;
}
.auth-logo h1 {
    font-size: 1.5rem; font-weight: 800; margin-top: .75rem;
    background: var(--gradient); -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.auth-logo p {
    font-size: .78rem; color: var(--text-muted); margin-top: .25rem;
}
.auth-input {
    width: 100%; padding: .65rem .85rem; margin-bottom: .75rem;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-family: inherit; font-size: .85rem; outline: none;
    transition: border-color var(--transition);
}
.auth-input:focus { border-color: var(--accent); }
.auth-btn-primary {
    width: 100%; padding: .65rem; border: none;
    background: var(--gradient); color: #fff; font-weight: 600;
    border-radius: var(--radius-sm); cursor: pointer;
    font-family: inherit; font-size: .88rem;
    transition: transform var(--transition), box-shadow var(--transition);
}
.auth-btn-primary:hover {
    transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99,102,241,.35);
}
.auth-btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.auth-btn-secondary {
    width: 100%; padding: .55rem; border: 1px solid var(--border);
    background: transparent; color: var(--text-secondary);
    border-radius: var(--radius-sm); cursor: pointer;
    font-family: inherit; font-size: .82rem;
    transition: all var(--transition);
}
.auth-btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.auth-divider {
    display: flex; align-items: center; gap: .75rem;
    margin: 1rem 0; color: var(--text-muted); font-size: .72rem;
}
.auth-divider::before, .auth-divider::after {
    content: ''; flex: 1; height: 1px; background: var(--border);
}
.auth-error {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    color: var(--danger); padding: .5rem .75rem; border-radius: var(--radius-sm);
    font-size: .78rem; margin-bottom: .75rem;
}
.auth-admin-link {
    text-align: center; margin-top: 1rem; font-size: .72rem;
    color: var(--text-muted); cursor: pointer; transition: color .2s;
}
.auth-admin-link:hover { color: var(--accent); }

/* ====== ROLE BADGES ====== */
.role-badge {
    display: inline-flex; align-items: center; gap: .25rem;
    padding: .15rem .55rem; border-radius: 1rem;
    font-size: .68rem; font-weight: 600;
}
.role-admin { background: rgba(239,68,68,0.12); color: #ef4444; }
.role-proplus { background: rgba(168,85,247,0.12); color: #a855f7; }
.role-pro { background: rgba(99,102,241,0.12); color: #6366f1; }
.role-user { background: rgba(100,116,139,0.12); color: #64748b; }

/* ====== TIER-LOCKED TABS ====== */
.nav-item.tier-locked {
    opacity: 0.45;
    position: relative;
    pointer-events: none;   /* tidak bisa diklik sama sekali */
    cursor: not-allowed;
}
.nav-item.tier-locked::after {
    content: '\f023'; /* fa-lock */
    font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
    font-size: .6rem; color: var(--text-muted);
}

/* ====== USER DROPDOWN ====== */
.user-dropdown { position: relative; }
.user-dropdown-trigger {
    display: flex; align-items: center; gap: .45rem;
    background: none; border: 1px solid transparent; cursor: pointer;
    padding: .3rem .55rem .3rem .3rem; border-radius: 2rem;
    transition: all var(--transition); font-family: inherit;
}
.user-dropdown-trigger:hover { background: var(--bg-elevated); border-color: var(--border); }
.user-dropdown.open .user-dropdown-trigger { background: var(--bg-elevated); border-color: var(--border-hover); }
.user-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--gradient); display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.user-avatar-lg { width: 40px; height: 40px; }
.user-avatar-letter {
    color: #fff; font-weight: 700; font-size: .72rem; line-height: 1;
}
.user-avatar-lg .user-avatar-letter { font-size: 1rem; }
.user-dropdown-caret {
    font-size: .55rem; color: var(--text-muted);
    transition: transform .2s;
}
.user-dropdown.open .user-dropdown-caret { transform: rotate(180deg); }
.user-dropdown-menu {
    position: absolute; top: calc(100% + 6px); right: 0;
    min-width: 240px; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: .35rem 0;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: all .18s cubic-bezier(.4,0,.2,1);
    z-index: 9999;
}
.user-dropdown.open .user-dropdown-menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.user-dropdown-header {
    display: flex; align-items: center; gap: .65rem;
    padding: .75rem 1rem;
}
.user-dropdown-name {
    font-weight: 700; font-size: .85rem; color: var(--text);
}
.user-dropdown-email {
    font-size: .7rem; color: var(--text-muted); margin-top: .1rem;
}
.user-dropdown-divider {
    height: 1px; background: var(--border); margin: .25rem 0;
}
.user-dropdown-item {
    display: flex; align-items: center; gap: .55rem;
    width: 100%; padding: .5rem 1rem; border: none;
    background: none; color: var(--text-secondary);
    font-family: inherit; font-size: .8rem; cursor: pointer;
    text-decoration: none; transition: all .12s;
}
.user-dropdown-item:hover {
    background: var(--bg-elevated); color: var(--text);
}
.user-dropdown-item i { width: 16px; text-align: center; font-size: .75rem; }
.user-dropdown-danger { color: var(--danger); }
.user-dropdown-danger:hover { background: rgba(239,68,68,0.08); color: var(--danger); }

/* ── Profile Page ─────────────────────────────────────────────────────────── */
.profile-page { max-width: 900px; margin: 0 auto; padding: 0 0 3rem; }

/* Hero */
.profile-hero {
  position: relative; overflow: hidden;
  border-radius: 1.25rem; margin-bottom: 2rem;
  background: var(--gradient);
  padding: 2.5rem 2.5rem 3rem;
}
.profile-hero-content { display: flex; align-items: center; gap: 1.75rem; position: relative; z-index: 1; }
.profile-avatar-xl {
  width: 88px; height: 88px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.2); border: 3px solid rgba(255,255,255,.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.25rem; font-weight: 800; color: #fff;
}
.profile-hero-name  { font-size: 1.6rem; font-weight: 800; color: #fff; margin: 0 0 .2rem; }
.profile-hero-email { color: rgba(255,255,255,.75); font-size: .9rem; margin: 0 0 .6rem; }
.profile-role-pill  { display: inline-flex; align-items: center; padding: .25rem .75rem; border-radius: 999px; font-size: .8rem; font-weight: 600; }

/* Two-column */
.profile-body { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem; align-items: start; }
@media (max-width: 680px) { .profile-body { grid-template-columns: 1fr; } }

/* Cards */
.profile-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 1rem; overflow: hidden; margin-bottom: 1.25rem;
}
.profile-card:last-child { margin-bottom: 0; }
.profile-card-header {
  padding: .875rem 1.25rem; background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  font-weight: 700; font-size: .9rem; color: var(--text);
  display: flex; align-items: center; gap: .5rem;
}
.profile-card-header i { color: var(--accent); }
.profile-card-body { padding: 1.25rem; display: flex; flex-direction: column; gap: .75rem; }

/* Info rows */
.profile-info-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: .55rem .75rem; border-radius: .5rem;
  background: var(--surface-alt); font-size: .875rem;
}
.profile-info-row span { color: var(--text-secondary); }
.profile-info-row strong { color: var(--text); }

/* Plan banner */
.profile-plan-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 1rem; padding: 1.1rem 1.25rem;
}

/* Form */
.profile-form-group { display: flex; flex-direction: column; gap: .35rem; }
.profile-form-group label { font-size: .8rem; color: var(--text-secondary); font-weight: 500; }
.profile-input {
  width: 100%; padding: .65rem .9rem; border-radius: .65rem;
  border: 1.5px solid var(--border); background: var(--surface-alt);
  color: var(--text); font-size: .925rem; box-sizing: border-box;
  transition: border-color .2s;
}
.profile-input:focus { outline: none; border-color: var(--accent); }
.profile-input-wrap { position: relative; display: flex; }
.profile-input-wrap .profile-input { padding-right: 2.8rem; }
.profile-eye-btn {
  position: absolute; right: .65rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-secondary); cursor: pointer;
  font-size: .9rem; padding: .25rem;
}
.profile-eye-btn:hover { color: var(--accent); }

/* Buttons */
.profile-btn-primary {
  padding: .7rem 1.25rem; border-radius: .65rem;
  background: var(--gradient); color: #fff; border: none;
  font-weight: 600; font-size: .925rem; cursor: pointer;
  display: flex; align-items: center; gap: .5rem; justify-content: center;
  transition: opacity .2s, transform .15s;
}
.profile-btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.profile-btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.profile-btn-danger {
  padding: .65rem 1.25rem; border-radius: .65rem;
  background: rgba(239,68,68,.1); color: #ef4444;
  border: 1px solid rgba(239,68,68,.3); font-weight: 600;
  font-size: .875rem; cursor: pointer;
  display: flex; align-items: center; gap: .5rem;
  transition: background .2s;
}
.profile-btn-danger:hover { background: rgba(239,68,68,.18); }

/* Alerts */
.profile-alert {
  padding: .65rem .9rem; border-radius: .5rem;
  font-size: .875rem; font-weight: 500;
}
.profile-alert-ok  { background: rgba(34,197,94,.12); color: #22c55e; }
.profile-alert-err { background: rgba(239,68,68,.12); color: #ef4444; }

/* Password strength */
.profile-pw-strength {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface-alt); border-radius: .5rem;
  padding: .5rem .75rem;
}
.profile-pw-strength-bar {
  height: 6px; border-radius: 999px;
  background: #ef4444; transition: width .3s, background .3s;
  flex: 1; min-width: 0;
}

/* Danger zone */
.profile-danger-card { border-color: rgba(239,68,68,.25); }
.profile-danger-card .profile-card-header { color: #ef4444; background: rgba(239,68,68,.06); border-bottom-color: rgba(239,68,68,.15); }
.profile-danger-card .profile-card-header i { color: #ef4444; }


/* ── User Dashboard ───────────────────────────────────────────────────────── */
.dash-shell { display:flex; height:100%; min-height:calc(100vh - 60px); background:var(--bg); }
.dash-sidebar { width:220px; flex-shrink:0; background:var(--surface); border-right:1px solid var(--border); padding:1.5rem .75rem; }
.dash-nav { display:flex; flex-direction:column; gap:.25rem; }
.dash-nav-btn { display:flex; align-items:center; gap:.65rem; padding:.65rem .9rem; border:none; background:transparent; color:var(--text-secondary); border-radius:.5rem; cursor:pointer; font-size:.875rem; font-weight:500; text-align:left; transition:all .2s; width:100%; }
.dash-nav-btn:hover { background:var(--surface-alt); color:var(--text); }
.dash-nav-btn.active { background:var(--accent-dim,rgba(99,102,241,.12)); color:var(--accent,#6366f1); font-weight:600; }
.dash-main { flex:1; display:flex; flex-direction:column; overflow:auto; }
.dash-header { display:flex; align-items:center; justify-content:space-between; padding:1.5rem 2rem 1rem; border-bottom:1px solid var(--border); }
.dash-title { font-size:1.25rem; font-weight:700; color:var(--text); }
.dash-subtitle { font-size:.85rem; color:var(--text-secondary); margin-top:.2rem; }
.dash-role-badge { display:inline-flex; align-items:center; font-size:.72rem; font-weight:700; padding:.2rem .6rem; border-radius:999px; }
.dash-body { padding:1.5rem 2rem; }
.dash-hero { display:flex; align-items:center; gap:1.25rem; padding:1.5rem; background:var(--surface); border-radius:.75rem; margin-bottom:1.5rem; border:1px solid var(--border); }
.dash-avatar { width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.5rem; font-weight:700; color:#fff; flex-shrink:0; }
.dash-user-name { font-size:1.1rem; font-weight:700; color:var(--text); }
.dash-user-email { font-size:.85rem; color:var(--text-secondary); margin-top:.2rem; }
.dash-cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:1rem; margin-bottom:1.5rem; }
.dash-info-card { background:var(--surface); border:1px solid var(--border); border-radius:.6rem; padding:1rem; }
.dash-info-label { font-size:.75rem; color:var(--text-secondary); margin-bottom:.4rem; }
.dash-info-value { font-size:.95rem; font-weight:600; color:var(--text); }
.dash-section { background:var(--surface); border:1px solid var(--border); border-radius:.75rem; padding:1.25rem; margin-bottom:1.25rem; }
.dash-section-title { font-size:.875rem; font-weight:700; color:var(--text); margin-bottom:.75rem; display:flex; align-items:center; gap:.5rem; }
.dash-upgrade-banner { text-align:center; padding:2rem; background:var(--surface-alt); border-radius:.75rem; }
.dash-upgrade-btn { background:var(--accent,#6366f1); color:#fff; border:none; padding:.65rem 1.5rem; border-radius:.5rem; font-weight:600; cursor:pointer; margin-top:.75rem; }
.tier-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:1rem; }
.tier-card { background:var(--surface-alt); border:1px solid var(--border); border-radius:.75rem; padding:1.25rem; display:flex; flex-direction:column; gap:.5rem; }
.tier-active { border-color:var(--accent,#6366f1); box-shadow:0 0 0 2px var(--accent,#6366f1)33; }
.tier-head { font-size:1rem; font-weight:700; }
.tier-price { font-size:.95rem; font-weight:600; color:var(--text); }
.tier-features { list-style:none; padding:0; margin:0; font-size:.8rem; color:var(--text-secondary); display:flex; flex-direction:column; gap:.3rem; }
.tier-current-badge { text-align:center; font-size:.75rem; font-weight:700; padding:.35rem; background:var(--accent-dim,rgba(99,102,241,.12)); color:var(--accent,#6366f1); border-radius:.4rem; margin-top:auto; }
.tier-upgrade-btn { border:none; color:#fff; padding:.6rem 1rem; border-radius:.5rem; font-weight:600; cursor:pointer; font-size:.85rem; margin-top:auto; }
.ds-list { display:flex; flex-direction:column; gap:.75rem; }
.ds-item { background:var(--surface-alt); border-radius:.6rem; padding:1rem; }
.btn-ds-action { background:var(--surface); border:1px solid var(--border); color:var(--text); padding:.35rem .75rem; border-radius:.4rem; cursor:pointer; font-size:.8rem; }
.btn-ds-del { color:#ef4444; border-color:#ef444430; }
.dash-error { text-align:center; padding:2rem; color:var(--danger,#ef4444); }