/* =========================================================
   DESIGN TOKENS
   Palette: deep space navy base, electric blue primary,
   cyan accent for "status/uptime" readouts (server-rack feel)
========================================================= */
:root {
  --bg: #080B14;
  --bg-grid: #0A0F1C;
  --surface: #101524;
  --surface-1: #111827;
  --surface-2: #171F30;
  --surface-3: #1E293F;
  --border: #232C40;
  --border-light: #2E3A54;

  --primary: #2F6FED;
  --primary-hover: #4C82F5;
  --primary-dim: #1D3E82;
  --accent-cyan: #22D3EE;
  --accent-cyan-dim: #0E5866;

  --text: #E7ECF7;
  --text-muted: #8B96AD;
  --text-faint: #5C6885;

  --success: #34D399;
  --success-dim: #0F3D2E;
  --danger: #F87171;
  --danger-dim: #4A1C1C;
  --warning: #FBBF24;
  --warning-dim: #4A3B0F;

  --radius: 10px;
  --radius-lg: 16px;
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(47,111,237,0.18), transparent),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(47,111,237,0.035) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(47,111,237,0.035) 40px),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.02em; margin: 0; }
p { color: var(--text-muted); }
::selection { background: var(--primary-dim); color: #fff; }
:focus-visible { outline: 2px solid var(--accent-cyan); outline-offset: 2px; }

/* =========================================================
   HEADER
========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8,11,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.main-nav { display: flex; align-items: center; gap: 22px; font-size: 14.5px; font-weight: 500; }
.main-nav a { color: var(--text-muted); transition: color .15s; }
.main-nav a:hover { color: var(--text); }
.btn-primary-sm { background: var(--primary); color: #fff !important; padding: 8px 16px; border-radius: 8px; font-weight: 600; }

/* Toggle nav publik (landing/login/register) -- hanya tampak di mobile, desktop tidak berubah. */
.public-nav-toggle-btn { display: none; }
.btn-primary-sm:hover { background: var(--primary-hover); }
.btn-ghost { border: 1px solid var(--border-light); padding: 7px 14px; border-radius: 8px; }
.btn-ghost:hover { border-color: var(--primary); color: var(--text); }

/* =========================================================
   FLASH MESSAGES
========================================================= */
.flash-wrap { padding-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.flash { padding: 12px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; border: 1px solid; }
.flash-success { background: var(--success-dim); border-color: var(--success); color: #A7F3D0; }
.flash-error { background: var(--danger-dim); border-color: var(--danger); color: #FECACA; }

/* =========================================================
   HERO
========================================================= */
.hero { padding: 72px 0 56px; position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--accent-cyan); text-transform: uppercase;
  border: 1px solid var(--accent-cyan-dim); background: rgba(34,211,238,0.06);
  padding: 5px 12px; border-radius: 100px; margin-bottom: 20px;
}
.hero h1 { font-size: 46px; line-height: 1.1; max-width: 720px; }
.hero h1 .highlight { color: var(--primary); text-shadow: 0 0 24px rgba(47,111,237,0.5); }
.hero p.lead { font-size: 17px; max-width: 560px; margin-top: 16px; }
.hero-stats { display: flex; gap: 32px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat .num { font-family: var(--font-mono); font-size: 26px; font-weight: 600; color: var(--text); }
.hero-stat .label { font-size: 12.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.hero-cta-row { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

/* Ikon SVG generik (pengganti emoji) dipakai di banyak tempat */
.icon-svg { display: inline-block; vertical-align: middle; color: currentColor; }

/* =========================================================
   TEASER KATEGORI DI LANDING PAGE (belum login)
========================================================= */
.category-teaser-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.category-teaser-card {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.category-teaser-card .icon { color: var(--accent-cyan); }
.category-teaser-card h3 { font-size: 16px; margin: 0; }
.category-teaser-card .btn-sm { margin-top: 6px; }

/* =========================================================
   PEMBELIAN — PILIHAN KATEGORI / SUBKATEGORI (kartu box)
   Dipakai di /pembelian (kategori tingkat atas) & /pembelian/:kategori (subkategori).
   Beda dari .category-teaser-card (landing page publik): ini interaktif & di dalam app-layout.
========================================================= */
.select-box-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 8px; }
.select-box-card {
  position: relative;
  display: flex; align-items: center; gap: 16px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; text-decoration: none; color: inherit;
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.select-box-card:hover {
  border-color: var(--primary); background: var(--surface-3);
  transform: translateY(-2px);
}
.select-box-card:hover .select-box-arrow { color: var(--primary); transform: translateX(3px); }
.select-box-card.is-disabled {
  opacity: .55; cursor: default;
}
.select-box-card.is-disabled:hover { border-color: var(--border); background: var(--surface-2); transform: none; }
.select-box-icon {
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--accent-cyan-dim); color: var(--accent-cyan);
}
.select-box-body { flex: 1; min-width: 0; }
.select-box-body h3 { font-size: 16px; margin: 0 0 3px; font-family: var(--font-display); font-weight: 600; }
.select-box-meta { font-size: 12.5px; color: var(--text-faint); margin: 0; }
.select-box-meta.warning { color: var(--warning); }
.select-box-arrow { flex-shrink: 0; color: var(--text-faint); transition: transform .15s ease, color .15s ease; }
.select-box-card .soon-badge { position: absolute; top: 12px; right: 14px; }

/* =========================================================
   CATEGORY NAV CHIPS
========================================================= */
.category-chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 40px 0 8px; }
.category-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 100px; border: 1px solid var(--border-light);
  background: var(--surface-2); font-size: 14px; font-weight: 600; color: var(--text-muted);
  transition: all .15s;
}
.category-chip:hover, .category-chip.active { border-color: var(--primary); color: var(--text); background: var(--primary-dim); }
.category-chip .soon-badge { font-size: 10px; background: var(--warning-dim); color: var(--warning); padding: 2px 6px; border-radius: 4px; }

/* =========================================================
   CATEGORY SECTION + PRODUCT (SERVER SLOT) CARDS
========================================================= */
.category-section { padding: 44px 0; border-top: 1px solid var(--border); }
.category-section:first-of-type { border-top: none; }
.category-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.category-title { display: flex; align-items: center; gap: 12px; font-size: 24px; }
.category-title .icon { font-size: 26px; }
.category-link { font-size: 13.5px; color: var(--accent-cyan); font-weight: 600; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }

.product-card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.product-card::before {
  content: ''; position: absolute; top: 0; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0; transition: opacity .2s;
}
.product-card:hover { border-color: var(--primary-dim); transform: translateY(-3px); }
.product-card:hover::before { opacity: 1; }

.product-card-head { display: flex; align-items: center; justify-content: space-between; }
.product-name { font-family: var(--font-display); font-size: 19px; font-weight: 700; }
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); }

.spec-readout {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted);
  background: rgba(0,0,0,0.25); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.spec-readout .row { display: flex; justify-content: space-between; }
.spec-readout .row span:first-child { color: var(--text-faint); }
.spec-readout .row span:last-child { color: var(--accent-cyan); }

.addon-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.addon-list li { font-size: 12.5px; color: var(--text-muted); display: flex; gap: 8px; align-items: flex-start; }
.addon-list li::before { content: '›'; color: var(--primary); font-weight: 700; }

.product-footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px dashed var(--border-light); }
.price { font-family: var(--font-mono); font-size: 21px; font-weight: 600; color: #fff; }
.price small { font-size: 12px; color: var(--text-faint); font-weight: 400; }
.btn-buy {
  background: var(--primary); color: #fff; padding: 9px 18px; border-radius: 8px;
  font-weight: 600; font-size: 13.5px; border: none; cursor: pointer; transition: background .15s;
}
.btn-buy:hover { background: var(--primary-hover); }

.coming-soon-card {
  border: 1px dashed var(--border-light); border-radius: var(--radius-lg);
  padding: 40px 24px; text-align: center; color: var(--text-faint);
  font-family: var(--font-mono); font-size: 13px;
}

/* =========================================================
   FORMS (login/register/checkout)
========================================================= */
.auth-wrap { max-width: 420px; margin: 64px auto; padding: 0 20px; }
.card {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px;
}
.card h1 { font-size: 26px; margin-bottom: 6px; }
.card .subtitle { margin-bottom: 24px; font-size: 14px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.04em; }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--border-light);
  background: var(--surface-1); color: var(--text); font-family: var(--font-body); font-size: 14.5px;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 90px; font-family: var(--font-mono); font-size: 13px; }
.btn-block { width: 100%; background: var(--primary); color: #fff; border: none; padding: 13px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; }
.btn-block:hover { background: var(--primary-hover); }
.btn-block.secondary { background: var(--surface-3); border: 1px solid var(--border-light); }
.divider-or { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--text-faint); font-size: 12px; text-transform: uppercase; }
.divider-or::before, .divider-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.discord-btn { display: flex; align-items: center; justify-content: center; gap: 10px; background: #5865F2; color: #fff; padding: 12px; border-radius: 8px; font-weight: 600; font-size: 14.5px; }
.discord-btn:hover { background: #4752C4; }
.form-footer-link { text-align: center; margin-top: 20px; font-size: 13.5px; color: var(--text-muted); }
.form-footer-link a { color: var(--accent-cyan); font-weight: 600; }

/* =========================================================
   CHECKOUT SUMMARY
========================================================= */
.checkout-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; padding: 48px 0; }
@media (max-width: 800px) { .checkout-layout { grid-template-columns: 1fr; } }
.summary-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; height: fit-content; }
.summary-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.summary-row:last-child { border-bottom: none; }
.summary-total { font-family: var(--font-mono); font-size: 24px; font-weight: 700; color: var(--accent-cyan); }
.payment-option { border: 1px solid var(--border-light); border-radius: 10px; padding: 16px; margin-bottom: 12px; cursor: pointer; display: flex; gap: 12px; align-items: center; }
.payment-option:has(input:checked) { border-color: var(--primary); background: rgba(47,111,237,0.06); }
.payment-option input { width: auto; }
.payment-option .pname { font-weight: 600; }
.payment-option .pdesc { font-size: 12.5px; color: var(--text-faint); }
.manual-info-box { background: var(--surface-1); border: 1px dashed var(--border-light); border-radius: 10px; padding: 16px; font-family: var(--font-mono); font-size: 13.5px; margin: 16px 0; white-space: pre-wrap; }

/* =========================================================
   ORDER / DASHBOARD TABLES & LISTS
========================================================= */
.page-head { padding: 40px 0 8px; }
.page-head h1 { font-size: 30px; }
.page-head p { margin-top: 8px; }

.status-badge { font-family: var(--font-mono); font-size: 11.5px; padding: 4px 10px; border-radius: 100px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; display: inline-block; }
.status-pending { background: var(--warning-dim); color: var(--warning); }
.status-paid, .status-active { background: var(--success-dim); color: var(--success); }
.status-failed, .status-cancelled, .status-terminated { background: var(--danger-dim); color: var(--danger); }
.status-suspended, .status-expired { background: rgba(139,150,173,0.15); color: var(--text-muted); }

.data-table { width: 100%; border-collapse: collapse; background: var(--surface-2); border-radius: var(--radius-lg); border: 1px solid var(--border); margin: 20px 0 40px; }
.data-table-wrap { width: 100%; }
.data-table th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); padding: 12px 16px; background: var(--surface-3); }
.data-table td { padding: 14px 16px; font-size: 13.5px; border-top: 1px solid var(--border); }
.data-table tr:hover td { background: rgba(47,111,237,0.04); }
.mono { font-family: var(--font-mono); }

.server-card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 16px; margin: 20px 0 44px; }
.server-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.server-card-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.server-card .expiry { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted); margin-top: 10px; }
.server-actions { display: flex; gap: 8px; margin-top: 14px; }
.btn-sm { padding: 8px 12px; border-radius: 7px; font-size: 12.5px; font-weight: 600; border: 1px solid var(--border-light); background: var(--surface-1); }
.btn-sm.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-sm:hover { border-color: var(--primary); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-faint); font-family: var(--font-mono); font-size: 13.5px; border: 1px dashed var(--border-light); border-radius: var(--radius-lg); }

/* =========================================================
   ADMIN LAYOUT
========================================================= */
.admin-body { background: var(--bg); }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 230px; background: var(--surface-1); border-right: 1px solid var(--border); padding: 24px 16px; flex-shrink: 0; display: flex; flex-direction: column; gap: 28px; }
.admin-nav { display: flex; flex-direction: column; gap: 4px; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; font-size: 14px; color: var(--text-muted); font-weight: 500; }
.admin-nav a:hover { background: var(--surface-2); color: var(--text); }
.admin-nav .icon { display: inline-flex; opacity: 0.85; }
.admin-nav-back { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px !important; color: var(--text-faint) !important; }
.admin-main { flex: 1; padding: 32px 36px; max-width: 1200px; }
.admin-main h1 { font-size: 26px; margin-bottom: 20px; }

/* =========================================================
   APP LAYOUT (sidebar area member: dashboard/pembelian/order)
========================================================= */
.app-body { background: var(--bg); }
.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
  width: 250px; background: var(--surface-1); border-right: 1px solid var(--border);
  padding: 24px 16px; flex-shrink: 0; display: flex; flex-direction: column; gap: 28px;
}
.app-sidebar .brand { padding: 0 4px; }
.app-nav { display: flex; flex-direction: column; gap: 4px; }
.app-nav > a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px; font-size: 14px; color: var(--text-muted); font-weight: 500;
}
.app-nav > a:hover { background: var(--surface-2); color: var(--text); }
.app-nav > a.active { background: var(--primary-dim); color: #fff; }
.app-nav .icon { display: inline-flex; opacity: 0.85; }
.app-nav-back { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px !important; color: var(--text-faint) !important; }
.app-main { flex: 1; padding: 32px 36px; max-width: 1200px; }
.app-main h1 { font-size: 26px; margin-bottom: 20px; }

/* Dropdown kategori "Pembelian" - native <details>/<summary>, tanpa JS tambahan */
.nav-dropdown { border-radius: 8px; }
.nav-dropdown summary {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-radius: 8px; font-size: 14px; color: var(--text-muted); font-weight: 500;
  cursor: pointer; list-style: none; user-select: none;
}
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary:hover { background: var(--surface-2); color: var(--text); }
.nav-dropdown summary.active { color: var(--text); }
.nav-dropdown .summary-label { display: flex; align-items: center; gap: 10px; }
.nav-dropdown .chevron { transition: transform .18s ease; color: var(--text-faint); flex-shrink: 0; }
.nav-dropdown[open] > summary .chevron { transform: rotate(180deg); }
.nav-dropdown[open] > summary { background: var(--surface-2); }
.nav-dropdown-body {
  display: flex; flex-direction: column; gap: 2px; padding: 6px 4px 10px 14px;
  border-left: 1px solid var(--border-light); margin: 2px 0 4px 22px;
}
.nav-subgroup-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint);
  font-weight: 600; padding: 8px 10px 2px;
}
.nav-sublink { padding: 7px 10px; border-radius: 6px; font-size: 13.5px; color: var(--text-muted); }
.nav-sublink:hover { background: var(--surface-2); color: var(--text); }
.nav-sublink.active { color: var(--accent-cyan); font-weight: 600; }
.nav-dropdown-all { padding: 8px 10px; margin-top: 4px; font-size: 12.5px; color: var(--accent-cyan); font-weight: 600; }
.nav-dropdown-all:hover { text-decoration: underline; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 32px; }
.stat-box { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.stat-box .num { font-family: var(--font-mono); font-size: 28px; font-weight: 700; }
.stat-box .label { font-size: 12.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 4px; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px 22px; margin-bottom: 28px; }
.section-title { font-size: 18px; margin: 32px 0 14px; }

/* =========================================================
   MISC
========================================================= */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0; margin-top: 60px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; gap: 10px; }
.status-pill { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); }
.dot { width: 7px; height: 7px; border-radius: 50%; }
.dot-online { background: var(--success); box-shadow: 0 0 6px var(--success); }

.badge-inline { font-size: 11px; padding: 2px 8px; border-radius: 100px; font-weight: 600; margin-left: 8px; }

/* Bugfix: tabel admin (dashboard, order, server, user, dll) punya banyak kolom dan sebelumnya
   tidak ada penanganan sama sekali untuk layar sempit -- di Android jadi kepotong/kepepet.
   Cara paling minimal & konsisten di semua halaman tanpa ubah tiap .ejs satu-satu: jadikan
   tabelnya sendiri yang scroll horizontal (bukan seluruh halaman), isi tetap utuh & rapi. */
@media (max-width: 640px) {
  .admin-main, .app-main { overflow-x: auto; }
  .data-table { min-width: 700px; }
}
/* Toggle status Pakasir di dashboard admin: teks + tombol bisa turun ke baris baru di HP,
   sebelumnya cuma justify-content:space-between tanpa wrap -> tombol bisa kepepet/terpotong. */
.toggle-row { flex-wrap: wrap; gap: 12px; }

/* ===== Toggle sidebar universal (desktop + mobile), pakai :has() -- dipakai bareng oleh
   admin/layout.ejs (id="admin-sidebar-toggle") dan app-layout.ejs (id="app-sidebar-toggle").
   Checkbox-nya taruh di mana saja di body; tombolnya floating jadi selalu keliatan &
   tetap bisa dipencet biarpun sidebar-nya lagi disembunyikan. */
.sidebar-toggle-checkbox { display: none; }
.sidebar-toggle-btn {
  position: fixed; top: 16px; z-index: 50; width: 38px; height: 38px; border-radius: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  cursor: pointer; transition: left .2s ease;
}
.sidebar-toggle-btn:hover { background: var(--surface-3); }
.sidebar-toggle-btn span { width: 18px; height: 2px; background: var(--text-muted); border-radius: 2px; transition: transform .18s ease, opacity .18s ease; }

/* Ikon jadi "X" pas sidebar lagi terbuka (nandain klik = tutup), balik jadi garis 3 pas tertutup. */
body:has(#admin-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(1),
body:has(#app-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body:has(#admin-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(2),
body:has(#app-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(2) { opacity: 0; }
body:has(#admin-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(3),
body:has(#app-sidebar-toggle:checked) .sidebar-toggle-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Posisi tombol: nempel di ujung kiri sidebar pas terbuka (biar kelihatan "menyatu"),
   geser ke pojok kiri layar pas sidebar disembunyikan (biar gak numpuk konten).
   Admin sidebar lebar 230px, app/dashboard sidebar lebar 250px -- offset beda, dipisah. */
body:has(#admin-sidebar-toggle:checked) .sidebar-toggle-btn { left: 246px; }
body:has(#app-sidebar-toggle:checked) .sidebar-toggle-btn { left: 266px; }
body:has(#admin-sidebar-toggle:not(:checked)) .sidebar-toggle-btn,
body:has(#app-sidebar-toggle:not(:checked)) .sidebar-toggle-btn { left: 16px; }

/* Desktop: sidebar collapse lewat width (row layout, .admin-shell/.app-shell = sidebar | main) */
.admin-sidebar, .app-sidebar { transition: width .2s ease, padding .2s ease, opacity .15s ease; overflow: hidden; }
body:has(#admin-sidebar-toggle:not(:checked)) .admin-sidebar,
body:has(#app-sidebar-toggle:not(:checked)) .app-sidebar {
  width: 0; padding-left: 0; padding-right: 0; border-right: none; opacity: 0;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  /* Bugfix: container padding 24px tiap sisi + brand "LumyraLabs" + 4 link nav tidak muat
     di layar HP (~360-400px), space-between kehabisan ruang jadi brand & nav pertama
     nempel tanpa jarak. Container dipersempit paddingnya, dan nav disembunyikan jadi
     dropdown lewat hamburger (konsisten dengan pola admin/dashboard). */
  .container { padding: 0 16px; }
  .brand { font-size: 17px; }
  .header-inner { position: relative; flex-wrap: wrap; }
  .public-nav-toggle-btn {
    display: flex; flex-direction: column; justify-content: center; gap: 4px;
    width: 34px; height: 34px; border-radius: 8px; cursor: pointer; margin-left: auto;
  }
  .public-nav-toggle-btn:hover { background: var(--surface-2); }
  .public-nav-toggle-btn span { width: 18px; height: 2px; background: var(--text-muted); border-radius: 2px; margin: 0 auto; transition: transform .18s ease, opacity .18s ease; }
  #public-nav-toggle:checked ~ .public-nav-toggle-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  #public-nav-toggle:checked ~ .public-nav-toggle-btn span:nth-child(2) { opacity: 0; }
  #public-nav-toggle:checked ~ .public-nav-toggle-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* Nav default tertutup (max-height:0), full-width dropdown di bawah topbar saat dibuka. */
  .main-nav {
    flex-direction: column; align-items: stretch; gap: 2px; width: 100%; order: 3;
    max-height: 0; overflow: hidden; transition: max-height .22s ease;
  }
  #public-nav-toggle:checked ~ .main-nav { max-height: 320px; margin-top: 12px; padding-bottom: 12px; }
  .main-nav a { padding: 10px 4px; }

  .admin-shell, .app-shell { flex-direction: column; }

  /* Mobile: sebelumnya SELURUH sidebar (termasuk background bar-nya) ikut collapse ke
     max-height:0 saat tertutup -- akibatnya tombol toggle jadi "telanjang" mengambang tanpa
     latar belakang apapun, jadi kelihatan numpuk/menimpa langsung di atas list yang discroll
     (tidak ada strip solid yang memisahkannya dari konten). Sekarang bar tipis (brand + area
     tombol) SELALU tampil sebagai header sticky; yang collapse/expand cuma daftar menu-nya. */
  .admin-sidebar, .app-sidebar {
    width: 100% !important; max-height: none !important; opacity: 1 !important;
    padding: 14px 16px !important; gap: 0 !important;
    position: sticky; top: 0; z-index: 20; background: var(--surface-1);
  }
  .admin-nav, .app-nav {
    flex-direction: column; max-height: 0; overflow: hidden; gap: 2px;
    transition: max-height .22s ease;
  }
  body:has(#admin-sidebar-toggle:checked) .admin-nav,
  body:has(#app-sidebar-toggle:checked) .app-nav { max-height: 480px; margin-top: 12px; }
  /* Tombol toggle di mobile selalu di pojok kiri (sidebar full width, bukan geser sejajar) */
  body:has(#admin-sidebar-toggle:checked) .sidebar-toggle-btn,
  body:has(#app-sidebar-toggle:checked) .sidebar-toggle-btn,
  body:has(#admin-sidebar-toggle:not(:checked)) .sidebar-toggle-btn,
  body:has(#app-sidebar-toggle:not(:checked)) .sidebar-toggle-btn { left: 16px; }

  /* Tap target lebih nyaman buat jari di menu mobile (dibanding versi desktop yang lebih padat) */
  .admin-nav a, .app-nav a { padding: 13px 14px; font-size: 15px; }
  /* Bugfix: tombol toggle floating (posisi fixed top-left) numpuk sama teks logo "LumyraLabs"/
     "Admin" karena keduanya sama-sama nempel di pojok kiri atas. Kasih jarak biar logo turun
     ke bawah tombol, bukan sejajar/ketimpa. */
  .admin-sidebar .brand, .app-sidebar .brand { margin-top: 44px; }

  .app-main { padding: 24px 16px; }
  /* Bugfix: .admin-main sebelumnya tidak punya override sama sekali untuk mobile,
     jadi padding 32px 36px bawaan desktop tetap dipakai di layar HP (~360-400px lebar),
     menyisakan area konten yang sempit banget & bikin semua terasa "mepet". */
  .admin-main { padding: 20px 14px; }
  .admin-main h1 { font-size: 21px; }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 10px; }
}