:root {
  --admin-bg: #f8fafc;
  --admin-card: #ffffff;
  --admin-border: #e2e8f0;
  --admin-primary: #6366f1;
  --admin-primary-hover: #4f46e5;
  --admin-secondary: #10b981;
  --admin-text: #1e293b;
  --admin-muted: #64748b;
  --admin-danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  margin: 0;
  line-height: 1.5;
}

.admin-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.admin-header {
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-brand h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.admin-brand .owl-icon { font-size: 1.5rem; }

.admin-nav {
  display: flex;
  gap: 0.25rem;
}

.admin-nav .nav-link {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--admin-muted);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.15s ease;
}

.admin-nav .nav-link:hover {
  background: #f1f5f9;
  color: var(--admin-text);
}

.admin-nav .nav-link.active {
  background: var(--admin-primary);
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.back-link {
  color: var(--admin-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

.back-link:hover { color: var(--admin-text); }

/* Main */
.admin-main {
  flex: 1;
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.admin-content { display: none; }

/* Login */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 200px);
}

.login-card {
  background: var(--admin-card);
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--admin-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.login-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.login-card .subtitle {
  color: var(--admin-muted);
  font-size: 0.875rem;
  margin: 0 0 1.5rem;
}

/* Cards */
.card {
  background: var(--admin-card);
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--admin-border);
  margin-bottom: 1rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.badge {
  background: #ecfdf5;
  color: var(--admin-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Forms */
.form-group { margin-bottom: 1rem; }

label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

input, select, textarea {
  width: 100%;
  border-radius: 0.5rem;
  border: 1px solid var(--admin-border);
  background: var(--admin-card);
  color: var(--admin-text);
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* Buttons */
.btn {
  border: none;
  border-radius: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn.primary {
  background: var(--admin-primary);
  color: white;
}

.btn.primary:hover:not(:disabled) {
  background: var(--admin-primary-hover);
}

.btn.secondary {
  background: #f1f5f9;
  color: var(--admin-text);
}

.btn.secondary:hover:not(:disabled) {
  background: #e2e8f0;
}

.btn.small {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
}

.btn.full-width { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

/* Logs */
.log-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 500px;
  overflow-y: auto;
}

.log-item {
  background: #f8fafc;
  border-radius: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--admin-border);
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: #e0e7ff;
  color: var(--admin-primary);
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: 0.25rem;
}

.chip.secondary {
  background: #d1fae5;
  color: var(--admin-secondary);
}

.log-date {
  color: var(--admin-muted);
  font-size: 0.75rem;
}

.log-summary { font-size: 0.875rem; }

.log-summary ul {
  margin: 0;
  padding-left: 1.25rem;
}

.status-message {
  color: var(--admin-muted);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

/* Studio Entries */
.entries-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 600px;
  overflow-y: auto;
}

.entry-item {
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  border-radius: 0.5rem;
  padding: 1rem;
}

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.entry-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.entry-info strong {
  font-size: 0.95rem;
}

.entry-date {
  color: var(--admin-muted);
  font-size: 0.75rem;
}

.entry-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.entry-controls audio {
  height: 36px;
  flex: 1;
  min-width: 200px;
}

.entry-buttons {
  display: flex;
  gap: 0.5rem;
}

.entry-text {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--admin-muted);
}

.entry-text summary {
  cursor: pointer;
  color: var(--admin-primary);
}

.entry-text p {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  background: var(--admin-card);
  border-radius: 0.25rem;
  line-height: 1.6;
}

.chip.small {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
}

.btn.danger {
  background: var(--admin-danger);
  color: white;
}

.btn.danger:hover {
  background: #dc2626;
}

/* Search row */
.search-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.search-row input {
  font-size: 1rem;
}

.advanced-filters {
  padding-top: 1rem;
  border-top: 1px solid var(--admin-border);
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 640px) {
  .admin-header { padding: 0.75rem 1rem; }

  .admin-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .admin-main { padding: 1rem; }
}