/* ============================================================
   OTA Installer — Dark Glass Theme
   ============================================================ */

:root {
  --bg-dark:       #050a14;
  --bg-mid:        #0b1422;
  --glass-bg:      rgba(255,255,255,0.05);
  --glass-border:  rgba(255,255,255,0.12);
  --glass-hover:   rgba(255,255,255,0.09);
  --accent-1:      #6c63ff;
  --accent-2:      #3ecfff;
  --accent-grad:   linear-gradient(135deg, #6c63ff, #3ecfff);
  --danger:        #ff4f6b;
  --success:       #2ecc8a;
  --warn:          #f59e0b;
  --text:          #e8eaf0;
  --text-muted:    #7a8499;
  --radius:        14px;
  --radius-sm:     8px;
  --shadow:        0 8px 32px rgba(0,0,0,0.45);
  --transition:    .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(108,99,255,.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(62,207,255,.10) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }

/* ── Glass card ──────────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.glass:hover { border-color: rgba(255,255,255,0.2); }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5,10,20,.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .logo {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar .logo svg { width: 28px; height: 28px; }

.navbar nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 20px;
  font-size: .9rem;
  transition: color var(--transition);
}
.navbar nav a:hover { color: var(--text); }

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Page hero ───────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 60px 20px 40px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ── Filter tabs ─────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 0 0 36px;
  flex-wrap: wrap;
}

.filter-tabs button {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 8px 22px;
  border-radius: 50px;
  cursor: pointer;
  font-size: .9rem;
  transition: all var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.filter-tabs button:hover,
.filter-tabs button.active {
  background: var(--accent-grad);
  border-color: transparent;
  color: #fff;
}

/* ── App grid ────────────────────────────────────────────── */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
  padding-bottom: 60px;
}

/* ── App card ────────────────────────────────────────────── */
.app-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--glass-hover);
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
}

.app-icon-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(108,99,255,.3), rgba(62,207,255,.3));
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.8rem;
}

.app-meta { flex: 1; min-width: 0; }

.app-name {
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-version { color: var(--text-muted); font-size: .82rem; margin-top: 3px; }

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .75rem;
  padding: 3px 9px;
  border-radius: 20px;
  margin-top: 6px;
  font-weight: 600;
}

.platform-badge.ios {
  background: rgba(108,99,255,.2);
  border: 1px solid rgba(108,99,255,.4);
  color: #a59fff;
}

.platform-badge.android {
  background: rgba(46,204,138,.15);
  border: 1px solid rgba(46,204,138,.35);
  color: #2ecc8a;
}

.platform-icon { width: 13px; height: 13px; }

.app-description {
  color: var(--text-muted);
  font-size: .88rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Screenshots strip */
.screenshots-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.screenshots-strip img {
  height: 100px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(108,99,255,.6);
  transform: translateY(-1px);
}

.btn-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-glass:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,.22);
}

.btn-danger {
  background: rgba(255,79,107,.15);
  border: 1px solid rgba(255,79,107,.35);
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(255,79,107,.25);
}

.btn-success {
  background: rgba(46,204,138,.15);
  border: 1px solid rgba(46,204,138,.35);
  color: var(--success);
}

.btn-success:hover {
  background: rgba(46,204,138,.25);
}

.btn-sm { padding: 6px 14px; font-size: .82rem; border-radius: 8px; }

/* ── Install button on card ─────────────────────────────── */
.install-btn {
  width: 100%;
  justify-content: center;
  margin-top: auto;
  font-size: .95rem;
  padding: 11px;
}

/* ── Passcode gate ───────────────────────────────────────── */
.passcode-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.passcode-box {
  width: 100%;
  max-width: 400px;
  padding: 44px 36px;
  text-align: center;
}

.passcode-box .lock-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  background: var(--accent-grad);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.passcode-box h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.passcode-box p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: .93rem;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108,99,255,.2);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 110px; }

select.form-control option { background: var(--bg-mid); }

.form-hint {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: .9rem;
  border: 1px solid transparent;
}

.alert-success {
  background: rgba(46,204,138,.12);
  border-color: rgba(46,204,138,.3);
  color: var(--success);
}

.alert-error {
  background: rgba(255,79,107,.12);
  border-color: rgba(255,79,107,.3);
  color: var(--danger);
}

.alert-warning {
  background: rgba(245,158,11,.12);
  border-color: rgba(245,158,11,.3);
  color: var(--warn);
}

/* ── Admin layout ────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: rgba(11,20,34,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 0 20px 24px;
  font-weight: 800;
  font-size: 1.15rem;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 16px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: .91rem;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  color: var(--text);
  background: var(--glass-hover);
  border-left-color: var(--accent-1);
}

.sidebar nav a svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px 0;
  border-top: 1px solid var(--glass-border);
}

.admin-main {
  flex: 1;
  padding: 32px;
  overflow-x: hidden;
}

.admin-header {
  margin-bottom: 28px;
}

.admin-header h1 {
  font-size: 1.7rem;
  font-weight: 800;
}

.admin-header p { color: var(--text-muted); margin-top: 4px; font-size: .92rem; }

/* ── Stats cards ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-label { color: var(--text-muted); font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

thead th {
  padding: 12px 16px;
  text-align: left;
  color: var(--text-muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--glass-border);
}

tbody tr {
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: background var(--transition);
}

tbody tr:hover { background: var(--glass-hover); }

td { padding: 12px 16px; vertical-align: middle; }

/* ── Upload area ─────────────────────────────────────────── */
.upload-area {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius);
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--accent-1);
  background: rgba(108,99,255,.05);
}

.upload-area input[type=file] { display: none; }

.upload-area svg { width: 40px; height: 40px; color: var(--text-muted); margin-bottom: 12px; }

.upload-area p { color: var(--text-muted); font-size: .9rem; }
.upload-area strong { color: var(--accent-2); }

/* ── App detail modal ────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal {
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.modal-close:hover { background: var(--glass-hover); }

/* ── iOS HTTPS warning banner ────────────────────────────── */
.https-banner {
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.3);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: .84rem;
  color: var(--warn);
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

/* ── Tag ─────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 600;
}

.tag-ios     { background: rgba(108,99,255,.2); color: #a59fff; }
.tag-android { background: rgba(46,204,138,.15); color: #2ecc8a; }

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: 20px 0;
}

/* ── Login page ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  width: 100%;
  max-width: 420px;
  padding: 44px 36px;
}

.login-box h1 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.login-box p { color: var(--text-muted); margin-bottom: 30px; font-size: .92rem; }

/* ── Screenshot preview (upload) ─────────────────────────── */
#screenshot-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

#screenshot-preview .thumb {
  position: relative;
  width: 80px;
  height: 80px;
}

#screenshot-preview img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
}

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: .4;
}

.empty-state h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
  }

  .sidebar nav { display: flex; flex-wrap: wrap; }
  .sidebar nav a { padding: 8px 12px; border-left: none; border-bottom: 2px solid transparent; }
  .sidebar nav a.active { border-bottom-color: var(--accent-1); }
  .sidebar-footer { margin-top: 0; padding: 0; border: none; }

  .admin-main { padding: 20px; }
  .app-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
}