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

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

/* Shell layout */
.shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.shell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.shell-header h1 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.shell-nav {
  display: flex;
  gap: 4px;
}

.shell-nav button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font: inherit;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.shell-nav button:hover {
  background: var(--surface-raised);
  color: var(--text);
}

.shell-nav button.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.shell-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.shell-user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.shell-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}

.shell-main {
  flex: 1;
  padding: 24px 20px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* Auth screen */
.auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80dvh;
  gap: 24px;
  text-align: center;
}

.auth-screen h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.auth-screen p {
  color: var(--text-secondary);
  max-width: 400px;
}

/* Cards / Panels */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card + .card {
  margin-top: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

/* Form elements */
.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input[type="text"],
input[type="url"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  transition: border-color var(--transition);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), opacity var(--transition);
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-secondary {
  background: var(--surface-raised);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border);
}

.btn-danger {
  background: var(--error-dim);
  color: var(--error);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: var(--success-dim); color: var(--success); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-error { background: var(--error-dim); color: var(--error); }
.badge-info { background: var(--accent-dim); color: var(--accent); }

/* History list */
.history-list {
  list-style: none;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.history-item:hover {
  background: var(--surface-raised);
}

.history-item:last-child {
  border-bottom: none;
}

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

.history-title {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-url {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Settings */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-label {
  font-size: 14px;
  font-weight: 500;
}

.setting-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Admin table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.admin-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--safe-bottom) + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: transform 300ms ease, opacity 300ms ease;
  z-index: 1000;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* Mobile responsive */
@media (max-width: 600px) {
  .shell-header {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
    padding-top: calc(var(--safe-top) + 10px);
  }

  .shell-header h1 {
    font-size: 16px;
  }

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

  .shell-nav button {
    padding: 6px 8px;
    font-size: 13px;
  }

  .shell-user-name {
    display: none;
  }

  .shell-main {
    padding: 16px;
  }

  .history-item {
    padding: 12px;
  }

  .admin-table {
    font-size: 13px;
  }

  .admin-table th, .admin-table td {
    padding: 8px 6px;
  }
}