/* Modern Admin Styles for Guestbooks */

/* ===== CSS Variables & Design System ===== */
:root {
  /* Colors */
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #eff6ff;
  --secondary-color: #6b7280;
  --success-color: #10b981;
  --success-light: #d1fae5;
  --error-color: #ef4444;
  --error-light: #fee2e2;
  --warning-color: #f59e0b;
  --warning-light: #fef3c7;

  /* Grays */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== Base Styles Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--gray-900);
}

ul,
ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.25rem;
  color: var(--gray-700);
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.875rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: 0.875rem;
}

p {
  margin-bottom: 1rem;
  color: var(--gray-700);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  flex: 1;
}

/* ===== Navigation ===== */
.nav {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  padding: 0;
  margin-bottom: 0;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 64px;
}

.nav-left {
  display: flex;
  align-items: center;
}

.brand {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  transition: transform var(--transition-base);
}

.brand:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.brand a {
  color: inherit;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-right .row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-user-info {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.nav-link {
  color: var(--gray-700);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.nav-link:hover {
  background: var(--gray-100);
  color: var(--primary-color);
  text-decoration: none;
}

/* ===== Main Content Area ===== */
main {
  padding: 2rem 0;
  min-height: calc(100vh - 200px);
}

/* ===== Cards ===== */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.card-body {
  padding: 0.5rem 0;
}

/* ===== Forms ===== */
form {
  margin: 1.5rem 0;
}

.form-section {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.form-section h4 {
  color: var(--gray-800);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--gray-100);
}

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  transition: all var(--transition-base);
  background: white;
  color: var(--gray-900);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
  cursor: pointer;
}

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

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

/* ===== Buttons ===== */
button,
input[type="submit"],
input[type="button"],
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.25rem;
  gap: 0.5rem;
}

.btn-primary,
input[type="submit"] {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover,
input[type="submit"]:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

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

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

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

.btn-success:hover {
  background: #059669;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover {
  background: var(--gray-50);
}

.btn-link {
  background: transparent;
  color: var(--primary-color);
  padding: 0.25rem 0.5rem;
}

.btn-link:hover {
  text-decoration: underline;
}

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

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

button:disabled,
input[type="submit"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Tables ===== */
.table-container {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  font-size: 0.875rem;
  vertical-align: middle;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--gray-50);
}

/* ===== Alerts & Callouts ===== */
.callout {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  margin: 1.5rem 0;
  border-left: 4px solid;
  background: white;
}

.callout-info {
  border-color: var(--primary-color);
  background: var(--primary-light);
}

.callout-success {
  border-color: var(--success-color);
  background: var(--success-light);
}

.callout-warning {
  border-color: var(--warning-color);
  background: var(--warning-light);
}

.callout-error {
  border-color: var(--error-color);
  background: var(--error-light);
}

.callout p {
  margin: 0;
  color: var(--gray-800);
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary-color);
}

.badge-success {
  background: var(--success-light);
  color: var(--success-color);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning-color);
}

.badge-error {
  background: var(--error-light);
  color: var(--error-color);
}

.badge-gray {
  background: var(--gray-200);
  color: var(--gray-700);
}

/* ===== Footer ===== */
.footer {
  background: white;
  border-top: 1px solid var(--gray-200);
  padding: 2rem 0;
  margin-top: auto;
  text-align: center;
}

.footer p {
  margin: 0.5rem 0;
  color: var(--gray-600);
  font-size: 0.875rem;
}

.footer a {
  color: var(--primary-color);
}

/* ===== Cookie Banner ===== */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 2px solid var(--primary-color);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  z-index: 1000;
}

#cookie-banner p {
  max-width: 800px;
  margin: 0 auto 1rem;
  color: var(--gray-700);
  font-size: 0.875rem;
  text-align: center;
}

#cookie-banner .cookie-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ===== Guestbook Specific Styles ===== */
.guestbook-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.guestbook-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  transition: all var(--transition-base);
  border: 1px solid var(--gray-200);
}

.guestbook-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.guestbook-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.guestbook-card-url {
  font-size: 0.875rem;
  color: var(--gray-600);
  word-break: break-all;
}

.guestbook-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
}

.guestbook-actions {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.guestbook-actions li {
  display: inline-flex;
  align-items: center;
}

/* ===== Admin Guestbook List (Wide Row Cards) ===== */
.guestbook-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.guestbook-card-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition-base),
    border-color var(--transition-base), transform var(--transition-fast);
}

.guestbook-card-row:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.guestbook-card-row.has-pending {
  border-color: var(--warning-color);
  border-left: 4px solid var(--warning-color);
  background: white;
}

.guestbook-card-row .gb-main {
  flex: 1;
  min-width: 0;
}

.guestbook-card-row .gb-id {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

.guestbook-card-row .gb-url {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.guestbook-card-row .gb-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 1em;
}

.guestbook-card-row .gb-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: 200px;
  padding-bottom: 0.5em;
}

.guestbook-card-row .gb-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.guestbook-card-row .gb-actions .actions-inline {
  display: inline-flex;
  gap: 0.25rem;
}

.guestbook-card-row .gb-actions .actions-more {
  display: none;
}

.guestbook-card-row .gb-actions .actions-more .menu {
  position: absolute;
  margin-top: 0.5rem;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 200px;
  z-index: 20;
}

.guestbook-card-row .gb-actions .actions-more .menu a {
  padding: 0.375rem 0.5rem;
  border-radius: var(--border-radius-sm);
  color: var(--gray-800);
}

.guestbook-card-row .gb-actions .actions-more .menu a:hover {
  background: var(--gray-100);
}

.guestbook-card-row .gb-actions .actions-more[open] .menu {
  display: flex;
}

/* Remove default disclosure marker, keep button styling */
.guestbook-card-row .gb-actions .actions-more summary {
  list-style: none;
}
.guestbook-card-row .gb-actions .actions-more summary::marker {
  content: "";
}
.guestbook-card-row .gb-actions .actions-more summary::-webkit-details-marker {
  display: none;
}

/* Stats blocks */
.stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.stat {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  min-width: 160px;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-bottom: 0.125rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.stat-label svg {
  color: var(--gray-500);
  width: 14px;
  height: 14px;
}
.stat-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* Responsive stacking for small screens */
@media (max-width: 1024px) {
  .guestbook-card-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .guestbook-card-row .gb-actions {
    margin-left: 0;
    justify-content: flex-start;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
  }

  /* Always show text buttons on mobile; allow wrapping */
  .guestbook-card-row .gb-actions .actions-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .guestbook-card-row .gb-actions .btn {
    width: auto;
  }
}

/* ===== Empty States ===== */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.empty-state-description {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

/* ===== Action Buttons Group ===== */
.action-group {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  flex-wrap: wrap;
}

.action-group form {
  margin: 0;
}

/* Make action buttons consistent size */
.action-group .btn,
.action-group button {
  min-height: 32px;
  height: 100%;
  padding: 0 0.75rem;
  align-items: center;
}

/* Compact action group: group buttons seamlessly */
.action-group.compact {
  gap: 0;
}

.action-group.compact .btn,
.action-group.compact button {
  border-radius: 0;
}

.action-group.compact .btn + .btn,
.action-group.compact button + .btn,
.action-group.compact .btn + button,
.action-group.compact button + button {
  margin-left: -1px; /* collapse adjacent borders */
}

.action-group.compact .btn:first-child,
.action-group.compact button:first-child {
  border-top-left-radius: var(--border-radius-sm);
  border-bottom-left-radius: var(--border-radius-sm);
}

.action-group.compact .btn:last-child,
.action-group.compact button:last-child {
  border-top-right-radius: var(--border-radius-sm);
  border-bottom-right-radius: var(--border-radius-sm);
}

/* Icon-only buttons */
.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
}

.btn-icon svg {
  pointer-events: none;
}

/* ===== Utilities ===== */
.text-muted {
  color: var(--gray-600);
}

.text-small {
  font-size: 0.875rem;
}

.text-tiny {
  font-size: 0.75rem;
}

.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2rem;
}

.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-1 {
  gap: 0.5rem;
}
.gap-2 {
  gap: 1rem;
}
.gap-3 {
  gap: 1.5rem;
}

/* ===== Auth Pages ===== */
.auth-container {
  max-width: 400px;
  margin: 0 auto;
  padding: 0 1rem;
}

.auth-card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 1.75rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.auth-header p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.875rem;
  line-height: 1.5;
}

.auth-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--primary-light);
  border-radius: 50%;
  margin-bottom: 1rem;
}

.auth-icon svg {
  color: var(--primary-color);
}

.auth-icon.success {
  background: var(--success-light);
}

.auth-icon.success svg {
  color: var(--success-color);
}

.auth-form {
  margin: 0;
}

.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-form label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.auth-form label svg {
  color: var(--gray-500);
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-right: 0.5rem;
}

.checkbox-label span {
  font-size: 0.875rem;
  color: var(--gray-700);
}

.btn-block {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  margin-top: 1rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
}

.auth-footer p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin: 0;
}

/* Auth helpers */
.info-box {
  background: var(--gray-50);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
  display: flex;
  gap: 1rem;
  align-items: start;
}

.info-box svg {
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.info-box h3 {
  font-size: 1rem;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}

.info-box ul {
  margin: 0;
  padding-left: 1.25rem;
}

.info-box li {
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.help-section {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--gray-200);
}

.help-section h4 {
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav-inner {
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.5rem;
    min-height: auto;
  }

  .nav-right .row {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  /* Make header stack cleanly on mobile/tablet */
  .nav-left { display: flex; justify-content: flex-start; }
  .nav-right { display: flex; justify-content: flex-end; }

  /* Compact header controls on small screens */
  .nav .btn-sm,
  .nav .nav-link {
    padding: 0.375rem 0.75rem;
  }

  .guestbook-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .table-container {
    overflow-x: auto;
  }

  .cookie-actions {
    flex-direction: column;
  }

  .form-section {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .nav-inner {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    padding: 1rem;
    gap: 0.75rem;
    min-height: auto;
  }

  .nav-left,
  .nav-right {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .brand {
    font-size: 1.25rem;
    width: 100%;
    display: flex;
    justify-content: left;
    white-space: nowrap;
  }

  .nav-right .row {
    width: 100%;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .nav .nav-user-info { display: none; }
  .nav .row a,
  .nav .row button { white-space: nowrap; }

  .create-gb-sec-top {
    display: block;
  }

  .guestbook-card-row .gb-stats {
    order: 3;
    display: grid;
    gap: 0.75rem;
  }
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

/* ===== Loading Spinner ===== */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--gray-300);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 0.6s linear infinite;
}

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

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}