/* ============================================================
   Newsletter UI — Editorial / Magazine Aesthetic
   Warm parchment tones, serif typography, rich accents
   ============================================================ */

/* --- Custom Font Imports --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400;1,8..60,500&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

/* --- CSS Variables --- */
:root {
  /* Palette — warm parchment editorial */
  --color-bg: #F7F3EB;
  --color-bg-alt: #EDE8DC;
  --color-bg-card: #FFFFFF;
  --color-bg-input: #FFFEF9;
  --color-surface: #F0EBE0;

  --color-text: #2C2420;
  --color-text-muted: #7A6E64;
  --color-text-faint: #A89B8F;

  --color-accent: #8B2E2E;
  --color-accent-light: #B54A4A;
  --color-accent-pale: #F5E6E6;
  --color-accent-glow: rgba(139, 46, 46, 0.08);

  --color-border: #DDD5C8;
  --color-border-light: #EAE4D9;
  --color-border-focus: #8B2E2E;

  --color-success: #3A7D5C;
  --color-success-bg: #E8F5EE;
  --color-error: #C0392B;
  --color-error-bg: #FDEDEC;

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Source Serif 4', 'Georgia', serif;
  --font-ui: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 36, 32, 0.08);
  --shadow-lg: 0 8px 30px rgba(44, 36, 32, 0.12);
  --shadow-xl: 0 16px 50px rgba(44, 36, 32, 0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

/* --- Background Texture --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(139, 46, 46, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(58, 125, 92, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

a:hover {
  color: var(--color-accent-light);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* --- Layout Container --- */
.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.container--wide {
  max-width: 1020px;
}

/* --- Page Header --- */
.page-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.page-header__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

.page-header__title {
  margin-bottom: var(--space-sm);
}

.page-header__subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* --- Card --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease-out);
}

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

.card--elevated {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.form-group label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-group .hint {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-top: var(--space-xs);
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* Text Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="url"],
textarea,
select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-input);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem var(--space-md);
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
  appearance: none;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-faint);
  font-style: italic;
}

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

/* Select with custom arrow */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A6E64' d='M1.47 1.47a.5.5 0 0 1 .7 0L6 5.29l3.83-3.82a.5.5 0 1 1 .7.7l-4.18 4.18a.5.5 0 0 1-.7 0L1.47 2.17a.5.5 0 0 1 0-.7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* --- Rich Text Toolbar --- */
.rich-editor {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.rich-editor:focus-within {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.rich-editor__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: var(--space-sm);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
}

.rich-editor__toolbar button {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 30px;
}

.rich-editor__toolbar button:hover {
  color: var(--color-text);
  background: var(--color-bg-card);
  border-color: var(--color-border-light);
}

.rich-editor__toolbar button.active {
  color: var(--color-accent);
  background: var(--color-accent-pale);
  border-color: var(--color-accent-pale);
}

.rich-editor__toolbar .separator {
  width: 1px;
  background: var(--color-border-light);
  margin: 0 4px;
}

.rich-editor__content {
  min-height: 160px;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  outline: none;
  background: var(--color-bg-input);
}

.rich-editor__content:empty::before {
  content: attr(data-placeholder);
  color: var(--color-text-faint);
  font-style: italic;
}

.rich-editor__content:focus {
  background: #FFFDF7;
}

.rich-editor__content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

.rich-editor__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(139, 46, 46, 0.3);
  text-underline-offset: 2px;
}

.rich-editor__content ol,
.rich-editor__content ul {
  margin-left: var(--space-lg);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.rich-editor__content li {
  margin-left: var(--space-xs);
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.8rem 2rem;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.btn:hover::before {
  opacity: 1;
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(139, 46, 46, 0.25);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn--secondary {
  color: var(--color-accent);
  background: transparent;
  border-color: var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent-pale);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--color-text-muted);
  background: transparent;
  border-color: transparent;
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.btn--danger {
  color: #FFFFFF;
  background: var(--color-error);
  border-color: var(--color-error);
}

.btn--danger:hover {
  background: #A93226;
  border-color: #A93226;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(192, 57, 43, 0.25);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* --- Form Actions --- */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.form-actions__left,
.form-actions__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* --- Success / Error Messages --- */
.alert {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  animation: slideDown 0.3s var(--ease-out);
}

.alert--success {
  color: var(--color-success);
  background: var(--color-success-bg);
  border: 1px solid rgba(58, 125, 92, 0.2);
}

.alert--error {
  color: var(--color-error);
  background: var(--color-error-bg);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

.alert__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* --- Entry Card (Admin List) --- */
.entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.entry-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.25s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.entry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
}

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

.entry-card:hover::before {
  opacity: 1;
}

.entry-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.entry-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.entry-card__title a {
  color: var(--color-text);
}

.entry-card__title a:hover {
  color: var(--color-accent);
}

.entry-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.entry-card__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.entry-card__meta-item::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--color-text-faint);
  border-radius: 50%;
}

.entry-card__meta-item:first-child::before {
  display: none;
}

.entry-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-card__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
}

.pagination__info {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-right: var(--space-md);
}

.pagination__btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
}

.pagination__btn:hover:not(.disabled):not(.active) {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.pagination__btn.active {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.pagination__btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44, 36, 32, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s var(--ease-spring);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
}

.modal__close {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.modal__close:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.modal__body {
  padding: var(--space-xl);
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

/* --- Detail View --- */
.detail-view {
  margin-top: var(--space-xl);
}

.detail-view__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.detail-view__title {
  margin-bottom: var(--space-md);
}

.detail-view__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-xl);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.detail-view__content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  line-height: 1.8;
  font-size: 1.05rem;
}

.detail-view__content p {
  margin-bottom: var(--space-md);
}

.detail-view__content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.detail-view__content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(139, 46, 46, 0.3);
  text-underline-offset: 2px;
}

.detail-view__link {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  word-break: break-all;
}

.detail-view__link a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(139, 46, 46, 0.3);
}

.detail-view__submitter {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* --- Admin Nav --- */
.admin-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.admin-nav__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
}

.admin-nav__links {
  display: flex;
  gap: var(--space-md);
}

.admin-nav__link {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.admin-nav__link:hover {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.admin-nav__link.active {
  color: var(--color-accent);
}

/* --- Login Form --- */
.login-container {
  max-width: 400px;
  margin: var(--space-3xl) auto;
  text-align: center;
}

.login-container .card {
  padding: var(--space-2xl);
}

.login-container h2 {
  margin-bottom: var(--space-sm);
}

.login-container .page-header__subtitle {
  margin-bottom: var(--space-xl);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.empty-state__text {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-text-faint);
}

/* --- Loading Spinner --- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* --- Decorative Elements --- */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}

.divider__ornament {
  color: var(--color-text-faint);
  font-size: 0.9rem;
}

/* --- Footer --- */
.page-footer {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
  border-top: 1px solid var(--color-border-light);
}

.page-footer__text {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.5s var(--ease-out);
}

.animate-slide-up {
  animation: slideUp 0.5s var(--ease-out);
}

/* Stagger children animations */
.stagger-children > * {
  opacity: 0;
  animation: slideUp 0.4s var(--ease-out) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.45s; }
.stagger-children > *:nth-child(10) { animation-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .container {
    padding: var(--space-lg) var(--space-md);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card {
    padding: var(--space-lg);
  }

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

  .form-actions__left,
  .form-actions__right {
    width: 100%;
    justify-content: center;
  }

  .entry-card__header {
    flex-direction: column;
  }

  .entry-card__actions {
    align-self: flex-end;
  }

  .admin-nav {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .pagination {
    flex-wrap: wrap;
  }

  .detail-view__meta {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }

  .modal {
    margin: var(--space-md);
    max-height: 90vh;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .page-header__title {
    font-size: 2rem;
  }

  .card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .rich-editor__toolbar button {
    min-width: 28px;
    height: 28px;
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }

  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.8rem;
  }
}

/* --- Print Styles --- */
@media print {
  body::before { display: none; }
  .card { box-shadow: none; border: 1px solid #ccc; }
  .btn, .admin-nav, .pagination, .entry-card__actions { display: none; }
}