:root {
  --bg-app: #F7F5FB;
  --bg-raised: #FFFFFF;
  --surface-lavender: #B8A6FF;
  --surface-sky: #9EC9F0;
  --surface-mint: #7DD4A8;
  --surface-peach: #FFB59E;
  --surface-pink: #F5B8D0;
  --surface-lemon: #F5D77A;
  --action-primary: #FF7A6B;
  --action-on: #FFFFFF;
  --status-archived: #C9B5FF;
  --text-strong: #2E2A3F;
  --text-muted: #6B6580;
  --border-color: #C9B5FF;
  --code-bg: #201933;
  --code-text: #C9C0E8;
  --r-card: 28px;
  --r-button: 18px;
  --r-chip: 999px;
  --r-input: 16px;
  --r-icon: 20px;
  --nav-height: 58px;
  --shadow-white: 8px 8px 22px rgba(140,108,255,0.16), -8px -8px 20px rgba(255,255,255,0.85), inset 3px 3px 6px rgba(255,255,255,0.7), inset -5px -5px 10px rgba(140,108,255,0.10);
  --shadow-lavender: 8px 8px 22px rgba(140,108,255,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(140,108,255,0.28);
  --shadow-sky: 8px 8px 22px rgba(80,150,220,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(80,150,220,0.28);
  --shadow-mint: 8px 8px 22px rgba(70,180,130,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(70,180,130,0.28);
  --shadow-peach: 8px 8px 22px rgba(255,140,110,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(255,255,255,0.6), inset -5px -5px 10px rgba(255,140,110,0.28);
  --shadow-pink: 8px 8px 22px rgba(230,140,180,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(230,140,180,0.28);
  --shadow-lemon: 8px 8px 22px rgba(220,180,70,0.32), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.55), inset -5px -5px 10px rgba(220,180,70,0.28);
  --shadow-coral: 8px 8px 22px rgba(230,90,75,0.35), -6px -6px 18px rgba(255,255,255,0.6), inset 3px 3px 6px rgba(255,255,255,0.5), inset -5px -5px 10px rgba(230,90,75,0.30);
  --shadow-pressed: inset 4px 4px 8px rgba(140,108,255,0.20), inset -4px -4px 8px rgba(255,255,255,0.75);
  --shadow-sm: 4px 4px 12px rgba(140,108,255,0.18), -3px -3px 10px rgba(255,255,255,0.7);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

button,
a {
  touch-action: manipulation;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes navIn {
  from { opacity: 0; transform: translateY(-14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .navbar,
  .header-section,
  .changelog-card,
  .site-footer {
    opacity: 1 !important;
    transform: none !important;
  }
}

.bg-fixed-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-color: var(--bg-app);
}

body {
  background-color: transparent;
  font-family: 'Quicksand', 'Nunito', sans-serif;
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.45;
  padding-top: calc(var(--nav-height) + 1.5rem);
  padding-bottom: 2rem;
  padding-left: 1rem;
  padding-right: 1rem;
  max-width: 900px;
  margin: 0 auto;
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 12px;
  left: 12px;
  right: 12px;
  width: auto;
  height: var(--nav-height);
  background: var(--bg-raised);
  border: none;
  border-radius: var(--r-card);
  display: flex;
  align-items: center;
  padding: 0 1.2rem;
  z-index: 1000;
  box-shadow: var(--shadow-white);
  opacity: 0;
  animation: navIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.nav-title {
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0;
  color: var(--text-strong);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav-back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--text-strong);
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 9px 15px;
  border: none;
  background: var(--bg-app);
  box-shadow: var(--shadow-sm);
  border-radius: var(--r-button);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nav-back-btn:hover {
  transform: translateY(-2px);
}

.nav-back-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-pressed);
}

.header-section {
  background: var(--bg-raised);
  padding: 1.6rem;
  border: none;
  box-shadow: var(--shadow-white);
  border-radius: var(--r-card);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.6rem;
}

.header-title svg {
  flex-shrink: 0;
  color: var(--action-primary);
}

.header-title h1 {
  font-family: 'Quicksand', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-strong);
  overflow-wrap: break-word;
}

.header-section > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  overflow-wrap: break-word;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Quicksand', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  padding: 9px 17px;
  border: none;
  cursor: pointer;
  border-radius: var(--r-chip);
  background: var(--bg-raised);
  color: var(--text-strong);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.filter-btn:hover {
  transform: translateY(-2px);
}

.filter-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-pressed);
}

.filter-btn.active {
  background: var(--action-primary);
  color: var(--action-on);
  box-shadow: var(--shadow-coral);
}

.admin-changelog-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.2rem;
}

.admin-add-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 17px;
  border: none;
  border-radius: var(--r-button);
  background: var(--action-primary);
  color: var(--action-on);
  font-family: 'Quicksand', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-coral);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.admin-add-btn:hover {
  transform: translateY(-2px);
}

.admin-add-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-pressed);
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.changelog-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-raised);
  border: none;
  border-radius: var(--r-card);
  box-shadow: var(--shadow-white);
  padding: 1.4rem 1.4rem 1.4rem 1.6rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  opacity: 0;
  transform: translateY(24px);
}

.changelog-card.in-view {
  animation: cardIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.changelog-card:hover {
  transform: translateY(-2px);
}

.changelog-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  background: var(--surface-lavender);
}

.changelog-card.type-update::before {
  background: var(--surface-sky);
}

.changelog-card.type-fix::before {
  background: var(--surface-mint);
}

.changelog-card.type-error::before {
  background: var(--action-primary);
}

.changelog-card.type-info::before {
  background: var(--surface-lavender);
}

.cl-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.cl-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Quicksand', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 6px 13px;
  border: none;
  border-radius: var(--r-chip);
  color: var(--text-strong);
  background: var(--surface-lavender);
  box-shadow: 3px 3px 8px rgba(140,108,255,0.22), -2px -2px 6px rgba(255,255,255,0.6);
}

.cl-badge svg {
  flex-shrink: 0;
}

.type-update .cl-badge {
  background: var(--surface-sky);
  box-shadow: 3px 3px 8px rgba(80,150,220,0.22), -2px -2px 6px rgba(255,255,255,0.6);
}

.type-fix .cl-badge {
  background: var(--surface-mint);
  box-shadow: 3px 3px 8px rgba(70,180,130,0.22), -2px -2px 6px rgba(255,255,255,0.6);
}

.type-error .cl-badge {
  background: var(--action-primary);
  color: var(--action-on);
  box-shadow: 3px 3px 8px rgba(230,90,75,0.30), -2px -2px 6px rgba(255,255,255,0.5);
}

.type-info .cl-badge {
  background: var(--surface-lavender);
  box-shadow: 3px 3px 8px rgba(140,108,255,0.22), -2px -2px 6px rgba(255,255,255,0.6);
}

.cl-date {
  font-family: 'Quicksand', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-app);
  padding: 6px 12px;
  border-radius: var(--r-chip);
  box-shadow: var(--shadow-pressed);
  white-space: nowrap;
}

.cl-title {
  font-family: 'Quicksand', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-strong);
  overflow-wrap: break-word;
}

.cl-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  white-space: pre-line;
  overflow-wrap: break-word;
  word-break: break-word;
}

.cl-admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(201,181,255,0.35);
}

.cl-admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: none;
  border-radius: var(--r-button);
  font-family: 'Quicksand', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cl-admin-btn:hover {
  transform: translateY(-2px);
}

.cl-admin-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-pressed) !important;
}

.cl-edit-btn {
  background: var(--surface-sky);
  color: #123a5c;
  box-shadow: var(--shadow-sky);
}

.cl-delete-btn {
  background: var(--action-primary);
  color: var(--action-on);
  box-shadow: var(--shadow-coral);
}

.state-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  background: var(--bg-raised);
  padding: 2.5rem 1.2rem;
  border: none;
  box-shadow: var(--shadow-white);
  border-radius: var(--r-card);
  color: var(--text-muted);
}

.state-box svg {
  flex-shrink: 0;
}

.state-box.error-state {
  color: var(--action-primary);
}

.site-footer {
  margin-top: 2rem;
  padding: 24px 12px;
  background: transparent;
  opacity: 0;
  transform: translateY(20px);
}

.site-footer.in-view {
  animation: cardIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 24px;
}

.footer-brand-name {
  font-family: 'Quicksand', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
}

.footer-brand-tag {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: color 0.15s ease;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.footer-links a:hover {
  background: transparent;
  color: var(--action-primary);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(46,42,63,0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: 2000;
}

.modal {
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-raised);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-white);
  padding: 26px 24px;
}

.modal h3 {
  font-family: 'Quicksand', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-strong);
  text-align: center;
  margin-bottom: 18px;
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-strong);
}

.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: 13px 15px;
  border: none;
  border-radius: var(--r-input);
  background: var(--bg-app);
  box-shadow: var(--shadow-pressed);
  color: var(--text-strong);
  font-family: 'Quicksand', sans-serif;
  font-size: 16px;
  font-weight: 600;
  outline: none;
  transition: box-shadow 0.15s ease;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  box-shadow: var(--shadow-pressed), 0 0 0 3px rgba(184,166,255,0.4);
}

.input-group textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.5;
}

.input-group select {
  cursor: pointer;
  appearance: auto;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.modal-actions button {
  flex: 1;
}

.modal-cancel-btn,
.modal-save-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: none;
  border-radius: var(--r-button);
  font-family: 'Quicksand', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.modal-cancel-btn {
  background: var(--bg-app);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.modal-save-btn {
  background: var(--action-primary);
  color: var(--action-on);
  box-shadow: var(--shadow-coral);
}

.modal-cancel-btn:hover,
.modal-save-btn:hover {
  transform: translateY(-2px);
}

.modal-cancel-btn:active,
.modal-save-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-pressed) !important;
}

.modal-save-btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

@media (max-width: 380px) {
  .navbar {
    padding: 0 0.9rem;
  }

  .nav-title {
    font-size: 0.95rem;
  }

  .nav-actions {
    gap: 7px;
  }

  .nav-back-btn {
    padding: 8px 11px;
    font-size: 0.72rem;
  }

  .admin-changelog-actions {
    justify-content: stretch;
  }

  .admin-add-btn {
    width: 100%;
  }

  .modal {
    padding: 22px 18px;
  }
}

@media (min-width: 769px) {
  body {
    padding-top: calc(var(--nav-height) + 2rem);
    padding-left: 2rem;
    padding-right: 2rem;
    font-size: 15.5px;
  }

  .navbar {
    left: 20px;
    right: 20px;
  }

  .header-section {
    padding: 2.2rem;
    border-radius: 32px;
  }

  .header-title h1 {
    font-size: 2rem;
  }

  .header-section > p {
    font-size: 0.95rem;
  }

  .filter-bar {
    margin-top: 1.4rem;
  }

  .admin-changelog-actions {
    margin-top: 1.4rem;
  }

  .timeline {
    gap: 1.3rem;
  }

  .changelog-card {
    padding: 1.8rem 1.8rem 1.8rem 2rem;
    border-radius: 32px;
  }

  .cl-title {
    font-size: 1.15rem;
  }

  .cl-desc {
    font-size: 0.95rem;
  }
}