/* System font stack — no CDN */

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

:root {
  --bg-base:       #090910;
  --bg-surface:    #0f0f1a;
  --bg-card:       rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border:        rgba(255,255,255,0.08);
  --border-bright: rgba(255,255,255,0.15);
  --accent-1:      #6366f1;
  --accent-2:      #a855f7;
  --accent-grad:   linear-gradient(135deg, #6366f1, #a855f7);
  --accent-glow:   rgba(99,102,241,0.35);
  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --green:         #10b981;
  --green-dim:     rgba(16,185,129,0.15);
  --red:           #ef4444;
  --red-dim:       rgba(239,68,68,0.12);
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-xl:     24px;
  --transition:    0.2s cubic-bezier(0.4,0,0.2,1);
}

html, body {
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 99px; }

/* ── BG Orbs ── */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.bg-orbs::before, .bg-orbs::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.2;
}
.bg-orbs::before {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  top: -200px; left: -150px;
}
.bg-orbs::after {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #a855f7, transparent 70%);
  bottom: -150px; right: -100px;
}

/* ── Layout ── */
#admin-app { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ── Login Screen ── */
#login-screen {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 24px; min-height: 100vh;
}
.login-card {
  background: rgba(15,15,26,0.9);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%; max-width: 400px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(99,102,241,0.08);
  backdrop-filter: blur(20px);
  animation: cardIn 0.5s cubic-bezier(0.34,1.2,0.64,1);
}
@keyframes cardIn {
  from { opacity:0; transform: translateY(30px) scale(0.95); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}
.login-logo {
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px; margin-bottom: 32px;
}
.login-logo-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  box-shadow: 0 0 40px var(--accent-glow);
}
.login-logo h1 {
  font-size: 1.5rem; font-weight: 700;
  background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.login-logo p { font-size: 0.82rem; color: var(--text-muted); }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem; font-family: inherit;
  padding: 10px 14px; outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent-1); box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.btn-primary {
  width: 100%; padding: 12px 20px; border-radius: var(--radius-sm);
  border: none; background: var(--accent-grad);
  color: white; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: transparent;
  color: var(--text-secondary); font-size: 0.85rem;
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.btn-secondary:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.btn-danger {
  padding: 6px 12px; border-radius: var(--radius-sm);
  border: 1px solid rgba(239,68,68,0.3); background: var(--red-dim);
  color: var(--red); font-size: 0.8rem;
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.btn-danger:hover { background: rgba(239,68,68,0.2); border-color: var(--red); }

.btn-success {
  padding: 6px 12px; border-radius: var(--radius-sm);
  border: 1px solid rgba(16,185,129,0.3); background: var(--green-dim);
  color: var(--green); font-size: 0.8rem;
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.btn-success:hover { background: rgba(16,185,129,0.25); }

.btn-sm {
  padding: 5px 10px; font-size: 0.75rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-secondary); cursor: pointer; transition: var(--transition);
  font-family: inherit;
}
.btn-sm:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.error-msg {
  font-size: 0.82rem; color: var(--red);
  padding: 8px 12px; border-radius: var(--radius-sm);
  background: var(--red-dim); border: 1px solid rgba(239,68,68,0.25);
  margin-top: 8px; display: none;
}
.error-msg.visible { display: block; }

/* ── Admin Layout (after login) ── */
#admin-screen { display: flex; min-height: 100vh; }
#admin-screen.hidden { display: none; }
#login-screen.hidden { display: none; }

/* Sidebar */
.sidebar {
  width: 240px; flex-shrink: 0;
  background: rgba(15,15,26,0.8);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  padding: 20px 0;
  position: fixed; top: 0; left: 0; height: 100vh; z-index: 10;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.sidebar-logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.sidebar-logo-text { font-weight: 700; font-size: 0.95rem; }
.sidebar-logo-badge {
  margin-left: auto; font-size: 0.65rem; padding: 2px 7px;
  border-radius: 99px; background: rgba(99,102,241,0.2);
  border: 1px solid rgba(99,102,241,0.3); color: var(--accent-1); font-weight: 600;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 0.87rem;
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.nav-item.active {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.25);
  color: var(--accent-1); font-weight: 500;
}
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  margin-top: auto; padding: 16px 12px 0;
  border-top: 1px solid var(--border);
}
.admin-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: var(--bg-card);
  font-size: 0.82rem; color: var(--text-secondary);
}
.admin-badge strong { color: var(--text-primary); }
.btn-logout {
  margin-top: 8px; width: 100%; padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); font-size: 0.8rem; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}
.btn-logout:hover { color: var(--red); border-color: rgba(239,68,68,0.3); background: var(--red-dim); }

/* Main content */
.admin-content {
  margin-left: 240px; flex: 1; padding: 32px;
  min-height: 100vh;
}

/* Page sections */
.admin-page { display: none; animation: fadeUp 0.3s ease; }
.admin-page.active { display: block; }
@keyframes fadeUp {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}

.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.page-title { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.page-subtitle { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }

/* Stats grid */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin-bottom: 28px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 20px;
  transition: var(--transition);
}
.stat-card:hover { background: var(--bg-card-hover); border-color: var(--border-bright); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.stat-value { font-size: 1.8rem; font-weight: 700; font-family: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace; }
.stat-value.green { color: var(--green); }
.stat-value.purple { background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Tables */
.table-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden; margin-bottom: 24px;
}
.table-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.table-card-title { font-size: 0.95rem; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; padding: 12px 20px;
  font-size: 0.72rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 12px 20px; font-size: 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 99px;
  font-size: 0.72rem; font-weight: 600;
}
.badge-green { background: var(--green-dim); color: var(--green); border: 1px solid rgba(16,185,129,0.25); }
.badge-red   { background: var(--red-dim);   color: var(--red);   border: 1px solid rgba(239,68,68,0.25); }
.badge-blue  { background: rgba(99,102,241,0.12); color: var(--accent-1); border: 1px solid rgba(99,102,241,0.25); }

/* Add-model form */
.add-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 20px; margin-bottom: 24px;
}
.add-card-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text-secondary); }
.add-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.add-form .form-group { margin-bottom: 0; flex: 1; min-width: 160px; }
.add-form .form-group input { padding: 8px 12px; font-size: 0.85rem; }

/* API key display */
.api-key-display {
  font-family: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace;
  font-size: 0.78rem; color: var(--accent-1);
  background: rgba(99,102,241,0.08);
  padding: 3px 8px; border-radius: 4px; word-break: break-all;
}

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  animation: fadein 0.2s ease;
}
.modal-overlay.hidden { display: none; }
@keyframes fadein { from{opacity:0} to{opacity:1} }
.modal {
  background: #13131f; border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl); padding: 32px; width: 440px; max-width: 95vw;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: modalIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes modalIn {
  from{opacity:0;transform:scale(0.9) translateY(20px)}
  to{opacity:1;transform:scale(1) translateY(0)}
}
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn-primary { flex: 1; }

/* Toast */
#toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  padding: 10px 18px; border-radius: var(--radius-md);
  font-size: 0.85rem; font-weight: 500;
  backdrop-filter: blur(12px);
  animation: toastIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.toast.success { background: rgba(16,185,129,0.2); border: 1px solid rgba(16,185,129,0.3); color: #34d399; }
.toast.error   { background: rgba(239,68,68,0.2);  border: 1px solid rgba(239,68,68,0.3);  color: #f87171; }
.toast.info    { background: rgba(99,102,241,0.2); border: 1px solid rgba(99,102,241,0.3); color: #818cf8; }
@keyframes toastIn {
  from{opacity:0;transform:translateX(20px) scale(0.9)}
  to{opacity:1;transform:translateX(0) scale(1)}
}

/* Code mono */
.mono { font-family: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace; font-size: 0.85em; }

/* Section divider */
.section-gap { margin-bottom: 32px; }

/* Empty state */
.empty-state {
  text-align: center; padding: 40px;
  color: var(--text-muted); font-size: 0.85rem;
}

/* Inline editable balance */
.balance-input-inline {
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text-primary);
  font-size: 0.85rem; padding: 3px 8px; width: 90px;
  font-family: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace; outline: none;
}
.balance-input-inline:focus { border-color: var(--accent-1); }

.td-actions { display: flex; gap: 6px; align-items: center; }

/* Model cost pill */
.cost-pill {
  font-size: 0.72rem; padding: 2px 8px; border-radius: 99px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-1); font-family: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace;
}