:root {
  --bg: #08080c;
  --surface: #12121a;
  --surface-2: #1c1c28;
  --border: #2a2a3a;
  --text: #e4e4ec;
  --text-dim: #787890;
  --acid: #39ff14;
  --purple: #bf00ff;
  --red: #ff3355;
  --font: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --font-display: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --sidebar-w: 260px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 20% 30%, rgba(57,255,20,0.06), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(191,0,255,0.06), transparent 50%),
    var(--bg);
}
.login-box {
  width: min(400px, 100%);
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
}
.login-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--acid);
}
.login-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}
.login-box input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  margin-bottom: 1rem;
}
.login-box input.hidden { display: none; }
.login-box input:not(.hidden) { display: block; }
.login-box input:focus {
  outline: none;
  border-color: var(--acid);
}
.login-hint {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.login-hint code {
  color: var(--purple);
}
.login-back {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.login-back:hover { color: var(--acid); }

/* Layout */
.admin-app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-logo {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--acid);
}
.sidebar-preview {
  font-size: 0.7rem;
  color: var(--purple);
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  overflow-y: auto;
}
.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.65rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: none;
  border: none;
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.nav-item:hover {
  color: var(--text);
  background: var(--surface-2);
}
.nav-item.active {
  color: var(--acid);
  border-left-color: var(--acid);
  background: rgba(57,255,20,0.05);
}

.sidebar-actions {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-main {
  overflow-y: auto;
  max-height: 100vh;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: rgba(8,8,12,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.admin-topbar h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.connection-status {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.connection-status.connected {
  color: var(--acid);
}
.save-status {
  font-size: 0.75rem;
  color: var(--acid);
  opacity: 0;
  transition: opacity 0.3s;
}
.save-status.show { opacity: 1; }

.admin-panels { padding: 2rem; }
.panel { display: none; }
.panel.active { display: block; }

/* Fields */
.field-group {
  margin-bottom: 1.25rem;
}
.field-group label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}
.field-group input,
.field-group textarea,
.field-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.85rem;
}
.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
  outline: none;
  border-color: var(--acid);
  box-shadow: 0 0 0 2px rgba(57,255,20,0.1);
}
.field-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field-sm { max-width: 120px; }

/* Buttons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1rem;
  font-family: var(--font);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}
.admin-btn:hover {
  border-color: var(--text-dim);
}
.admin-btn-primary {
  background: var(--acid);
  color: var(--bg);
  border-color: var(--acid);
}
.admin-btn-primary:hover {
  background: transparent;
  color: var(--acid);
}
.admin-btn-danger {
  border-color: var(--red);
  color: var(--red);
}
.admin-btn-danger:hover {
  background: var(--red);
  color: var(--bg);
}
.admin-btn-ghost {
  background: transparent;
  color: var(--text-dim);
}
.admin-btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.65rem;
}
.admin-btn-file {
  position: relative;
  cursor: pointer;
}

/* List editors */
.list-editor {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.list-header h3 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--purple);
}
.list-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.list-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem;
  position: relative;
}
.list-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.list-card-title {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.list-card-actions {
  display: flex;
  gap: 0.35rem;
}
.list-card-actions button {
  padding: 0.25rem 0.5rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
}
.list-card-actions button:hover { color: var(--text); }
.list-card-actions .btn-remove:hover {
  color: var(--red);
  border-color: var(--red);
}
.list-card .field-row {
  margin-bottom: 0.75rem;
}
.list-card .field-group {
  margin-bottom: 0.75rem;
}

.nested-links {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
}
.nested-links-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.nested-links-header span {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.checkbox-field input { width: auto; }
.checkbox-field label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.cover-field { margin-top: 0.5rem; }
.cover-preview {
  display: block;
  width: 120px;
  height: 120px;
  object-fit: cover;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}
.cover-preview-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: var(--bg);
}
.cover-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.settings-info {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
}
.settings-info h3 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  color: var(--acid);
}
.settings-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}
.setup-steps {
  margin: 0.75rem 0 0 1.25rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.setup-steps li { margin-bottom: 0.35rem; }
.setup-steps a { color: var(--purple); }
.setup-steps code {
  color: var(--acid);
  font-size: 0.75rem;
}
.settings-warn {
  color: var(--red) !important;
  margin-top: 0.75rem !important;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.85rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--acid);
  color: var(--acid);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  z-index: 1000;
  transition: opacity 0.3s, transform 0.3s;
}
.toast.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

@media (max-width: 900px) {
  .admin-app {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: relative;
    height: auto;
  }
  .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 0.5rem;
    gap: 0.25rem;
  }
  .nav-item {
    width: auto;
    padding: 0.5rem 0.75rem;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .nav-item.active {
    border-left: none;
    border-bottom-color: var(--acid);
  }
  .field-row { grid-template-columns: 1fr; }
  .field-sm { max-width: none; }
}