/* ============================================================
   Admin Panel — Core Styles
   Fully responsive, dark glassmorphism design
   ============================================================ */

:root {
  --bg:           #09090b;
  --surface:      rgba(24,24,27,0.7);
  --surface-solid:#18181b;
  --surface-hover:rgba(39,39,42,0.9);
  --border:       rgba(63,63,70,0.45);
  --border-glow:  rgba(16,185,129,0.3);
  --text:         #f4f4f5;
  --muted:        #a1a1aa;
  --green:        #10b981;
  --green-glow:   rgba(16,185,129,0.15);
  --orange:       #f59e0b;
  --purple:       #8b5cf6;
  --cyan:         #06b6d4;
  --danger:       #ef4444;
  --font:         'Inter', sans-serif;
  --font2:        'Space Grotesk', sans-serif;
  --radius:       14px;
  --transition:   all 0.25s cubic-bezier(0.4,0,0.2,1);
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

/* ── Layout ─────────────────────────────────────────────────── */
.dash-layout {
  display: flex;
  min-height: 100vh;
  padding-top: 64px;
}

.dash-sidebar {
  width: 220px;
  flex-shrink: 0;
  position: fixed;
  top: 64px;
  left: 0;
  height: calc(100vh - 64px);
  background: rgba(9,9,11,0.95);
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  overflow-y: auto;
  z-index: 50;
  transition: transform 0.3s ease;
}

.dash-main {
  flex: 1;
  margin-left: 220px;
  padding: 28px 32px;
  min-width: 0;
}

/* ── Nav ─────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 64px;
  z-index: 100;
  background: rgba(9,9,11,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font2);
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
}
.nav-logo span { color: var(--green); }
.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--green-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-nav-badge {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--orange);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}
.dash-signout-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px !important;
  font-size: 13px !important;
  color: var(--danger) !important;
  border: 1px solid rgba(239,68,68,0.2) !important;
  border-radius: 8px !important;
  background: transparent !important;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  font-weight: 600;
}
.dash-signout-btn:hover {
  background: rgba(239,68,68,0.08) !important;
  border-color: rgba(239,68,68,0.4) !important;
}

/* ── Sidebar Nav ─────────────────────────────────────────────── */
.dash-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dash-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  user-select: none;
}
.dash-nav-item:hover {
  color: var(--text);
  background: var(--surface-hover);
}
.dash-nav-item.active {
  color: var(--green);
  background: var(--green-glow);
  border-color: var(--border-glow);
  font-weight: 600;
}

/* ── Tabs ────────────────────────────────────────────────────── */
.dash-tab { display: none; }
.dash-tab.active { display: block; animation: fadeUp 0.25s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Tab Header ──────────────────────────────────────────────── */
.admin-tab-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.dash-title {
  font-family: var(--font2);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0;
}
.admin-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

/* ── Inputs ──────────────────────────────────────────────────── */
.adjust-input {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: var(--transition);
}
.adjust-input:focus { border-color: var(--green); }
.adjust-input::placeholder { color: var(--muted); }
select.adjust-input option { background: var(--surface-solid); }

/* ── User List ───────────────────────────────────────────────── */
.admin-loading {
  display: flex;
  justify-content: center;
  padding: 60px;
}
.admin-user-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.admin-user-row:hover {
  border-color: var(--border-glow);
  background: var(--surface-hover);
  transform: translateX(2px);
}
.admin-user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #000;
  flex-shrink: 0;
}
.admin-user-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.admin-user-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-user-email {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-user-stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.admin-stat-badge {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.admin-stat-badge.green { color: var(--green); border-color: var(--border-glow); }

/* ── Registry ────────────────────────────────────────────────── */
.registry-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 10px;
}
.registry-email-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.registry-email {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.dup-badge {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}
.registry-count {
  font-size: 12px;
  color: var(--muted);
  margin-left: auto;
}
.registry-accounts { display: flex; flex-direction: column; gap: 6px; }
.registry-header-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.registry-account-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  font-size: 13px;
  padding: 4px 0;
}

/* ── Settings ────────────────────────────────────────────────── */
.settings-info-card {
  border: 1px solid;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.settings-days-display {
  font-family: var(--font2);
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  text-align: center;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.settings-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.preset-btn {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
}
.preset-btn:hover { border-color: var(--green); color: var(--green); }
.preset-btn.active {
  background: var(--green-glow);
  border-color: var(--green);
  color: var(--green);
}
.btn-purge {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
  color: #fff;
}
.btn-purge:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-purge-orange { background: #ff6b35; }
.btn-purge-orange:hover:not(:disabled) { background: #e55a25; }
.btn-purge-purple { background: var(--purple); }
.btn-purge-purple:hover:not(:disabled) { background: #7c3aed; }

/* ── Spinner ─────────────────────────────────────────────────── */
.pay-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.08);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Mobile hamburger toggle ─────────────────────────────────── */
.sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: var(--transition);
}
.sidebar-toggle:hover { color: var(--text); border-color: var(--green); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .dash-sidebar {
    transform: translateX(-100%);
    width: 240px;
  }
  .dash-sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,0.5); }
  .dash-main { margin-left: 0; padding: 20px 16px; }
  .sidebar-toggle { display: flex; align-items: center; }
  .signout-text { display: none; }
  .dash-signout-btn { padding: 8px 10px !important; }
  .dash-signout-btn .signout-icon { margin-right: 0 !important; }
  .admin-tab-header { gap: 8px; }
  .admin-controls { margin-left: 0; width: 100%; }
  .admin-controls .adjust-input { flex: 1; min-width: 0; }
}

@media (max-width: 600px) {
  .dash-title { font-size: 18px; }
  .admin-user-row { padding: 12px 14px; gap: 10px; }
  .admin-user-stats { display: none; }
  .admin-user-row:hover .admin-user-stats { display: flex; }
  .registry-header-row,
  .registry-account-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ── Sidebar overlay for mobile ──────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 49;
}
.sidebar-overlay.open { display: block; }