/* ============================================
   CHANGELOG / WHAT'S NEW MODAL STYLING
   ============================================ */

.changelog-modal-content,
#changelog-modal .modal-content {
  position: relative;
  max-width: 780px !important;
  width: 90% !important;
  min-width: 600px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg, 14px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-light, #e0e0e0);
  background: var(--bg-white, #ffffff);
  overflow: visible;
  padding: 0 !important;
  animation: changelogModalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes changelogModalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Header */
.changelog-modal-header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-light, #e0e0e0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(128, 0, 32, 0.05) 0%, rgba(128, 0, 32, 0.01) 100%);
  border-top-left-radius: var(--radius-lg, 14px);
  border-top-right-radius: var(--radius-lg, 14px);
}

.changelog-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.changelog-header-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-maroon, #800020) 0%, #a31538 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  box-shadow: 0 3px 10px rgba(128, 0, 32, 0.22);
  flex-shrink: 0;
}

.changelog-title-group h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark, #222222);
  margin: 0;
  line-height: 1.25;
}

.changelog-subtitle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-medium, #666666);
  margin-top: 2px;
}

.changelog-version-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 0.725rem;
  font-weight: 600;
  background-color: var(--primary-maroon, #800020);
  color: #ffffff;
}

/* Protruding Top-Right Close Button */
#close-changelog-modal,
.changelog-close-btn {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-white, #ffffff);
  border: 1.5px solid var(--border-light, #d8d8d8);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark, #333333);
  font-size: 15px;
  cursor: pointer;
  z-index: 30;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
}

#close-changelog-modal:hover,
.changelog-close-btn:hover {
  background: var(--primary-maroon, #800020);
  color: #ffffff;
  border-color: var(--primary-maroon, #800020);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 6px 16px rgba(128, 0, 32, 0.4);
}

/* Modal Body */
.changelog-modal-body {
  padding: 14px 18px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.changelog-modal-body::-webkit-scrollbar {
  width: 6px;
}

.changelog-modal-body::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.3);
  border-radius: 4px;
}

/* Current Version Card */
.changelog-version-section {
  background: var(--bg-lighter, #f9f9fb);
  border: 1px solid var(--border-light, #e4e4e9);
  border-radius: var(--radius-md, 10px);
  padding: 12px 14px;
  transition: all 0.2s ease;
}

.changelog-version-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-light, #e4e4e9);
}

.changelog-version-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--text-dark, #222222);
}

.changelog-date {
  font-size: 0.775rem;
  color: var(--text-light, #888888);
  font-weight: 500;
}

/* Change Items */
.changelog-items-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.changelog-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 2px;
}

.changelog-item-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.changelog-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 1px 6px;
  border-radius: 5px;
  line-height: 1.2;
}

.changelog-tag.new-feature,
.changelog-tag.feature {
  background-color: rgba(40, 167, 69, 0.15);
  color: #1e7e34;
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.changelog-tag.fix,
.changelog-tag.bugfix {
  background-color: rgba(220, 53, 69, 0.15);
  color: #b02a37;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.changelog-tag.enhancement {
  background-color: rgba(0, 123, 255, 0.15);
  color: #0056b3;
  border: 1px solid rgba(0, 123, 255, 0.3);
}

.changelog-tag.security {
  background-color: rgba(255, 193, 7, 0.2);
  color: #856404;
  border: 1px solid rgba(255, 193, 7, 0.4);
}

.changelog-tag.major {
  background-color: rgba(128, 0, 32, 0.15);
  color: var(--primary-maroon, #800020);
  border: 1px solid rgba(128, 0, 32, 0.3);
}

.changelog-item-title {
  font-size: 0.885rem;
  font-weight: 600;
  color: var(--text-dark, #222222);
}

.changelog-item-desc {
  font-size: 0.825rem;
  color: var(--text-medium, #555555);
  line-height: 1.45;
  margin: 0;
  padding-left: 2px;
}

/* History Accordion */
.changelog-history-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: 1px dashed var(--border-light, #cccccc);
  border-radius: var(--radius-md, 8px);
  color: var(--text-medium, #555555);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.changelog-history-toggle:hover {
  background: var(--bg-lighter, #f5f5f5);
  color: var(--primary-maroon, #800020);
  border-color: var(--primary-maroon, #800020);
}

.changelog-history-toggle i {
  transition: transform 0.2s ease;
}

.changelog-history-toggle.active i {
  transform: rotate(180deg);
}

.changelog-history-list {
  display: none;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.changelog-history-list.open {
  display: flex;
}

.changelog-history-item {
  border: 1px solid var(--border-light, #e0e0e0);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--bg-white, #ffffff);
}

.changelog-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.changelog-history-version {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-dark, #333333);
}

/* Footer Hint & Actions */
.changelog-modal-footer {
  padding: 10px 18px 12px;
  border-top: 1px solid var(--border-light, #e0e0e0);
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-lighter, #f9f9fb);
  border-bottom-left-radius: var(--radius-lg, 14px);
  border-bottom-right-radius: var(--radius-lg, 14px);
}

.changelog-doc-hint {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(128, 0, 32, 0.05);
  border: 1px solid rgba(128, 0, 32, 0.15);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-medium, #444444);
  line-height: 1.4;
}

.changelog-doc-hint i {
  color: var(--primary-maroon, #800020);
  font-size: 0.95rem;
  margin-top: 1px;
  flex-shrink: 0;
}

.changelog-doc-hint a {
  color: var(--primary-maroon, #800020);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.changelog-doc-hint a:hover {
  color: #a31538;
}

.changelog-footer-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.changelog-footer-actions .btn {
  padding: 6px 18px;
  font-size: 0.85rem;
}

/* ============================================
   DARK & GRAY MODE OVERRIDES
   ============================================ */

body.dark-mode .changelog-modal-content {
  background: var(--bg-card, #181818);
  border-color: var(--border-dark, #333333);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

body.gray-mode .changelog-modal-content {
  background: var(--bg-card, #1a1a1a);
  border-color: var(--border-dark, #3e3e3e);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

body.dark-mode .changelog-modal-header,
body.gray-mode .changelog-modal-header {
  border-bottom-color: var(--border-dark, #333333);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, transparent 100%);
}

body.dark-mode .changelog-header-icon {
  background: linear-gradient(135deg, #3a6210 0%, #578323 100%);
  box-shadow: 0 3px 10px rgba(87, 131, 35, 0.35);
  color: #ffffff;
}

body.gray-mode .changelog-header-icon {
  background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
  box-shadow: 0 3px 10px rgba(59, 130, 246, 0.35);
  color: #ffffff;
}

body.dark-mode .changelog-title-group h2,
body.gray-mode .changelog-title-group h2,
body.dark-mode .changelog-version-title,
body.gray-mode .changelog-version-title,
body.dark-mode .changelog-item-title,
body.gray-mode .changelog-item-title,
body.dark-mode .changelog-history-version,
body.gray-mode .changelog-history-version {
  color: #f8fafc;
}

body.dark-mode .changelog-subtitle,
body.dark-mode .changelog-date {
  color: #cbd5e1;
}

body.gray-mode .changelog-subtitle,
body.gray-mode .changelog-date {
  color: #c4c1d7;
}

body.dark-mode .changelog-item-desc {
  color: #e2e8f0;
}

body.gray-mode .changelog-item-desc {
  color: #eae9f1;
}

body.dark-mode .changelog-version-badge {
  background-color: var(--primary-maroon, #badd93);
  color: #0d1208;
  font-weight: 700;
}

body.gray-mode .changelog-version-badge {
  background-color: var(--primary-maroon, #3b82f6);
  color: #ffffff;
  font-weight: 700;
}

/* Vivid & Bright Tag Badges in Dark & Gray Modes */
body.dark-mode .changelog-tag.new-feature,
body.dark-mode .changelog-tag.feature,
body.gray-mode .changelog-tag.new-feature,
body.gray-mode .changelog-tag.feature {
  background-color: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.45);
  font-weight: 700;
}

body.dark-mode .changelog-tag.fix,
body.dark-mode .changelog-tag.bugfix,
body.gray-mode .changelog-tag.fix,
body.gray-mode .changelog-tag.bugfix {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.45);
  font-weight: 700;
}

body.dark-mode .changelog-tag.enhancement,
body.gray-mode .changelog-tag.enhancement {
  background-color: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.45);
  font-weight: 700;
}

body.dark-mode .changelog-tag.security,
body.gray-mode .changelog-tag.security {
  background-color: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.45);
  font-weight: 700;
}

body.dark-mode .changelog-tag.major,
body.gray-mode .changelog-tag.major {
  background-color: rgba(236, 72, 153, 0.2);
  color: #f472b6;
  border: 1px solid rgba(244, 114, 182, 0.45);
  font-weight: 700;
}

/* Close Button Dark & Gray Overrides */
body.dark-mode #close-changelog-modal,
body.dark-mode .changelog-close-btn {
  background: var(--bg-card, #222222);
  border-color: var(--border-dark, #3e3e3e);
  color: #f0f0f0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

body.dark-mode #close-changelog-modal:hover,
body.dark-mode .changelog-close-btn:hover {
  background: var(--primary-maroon, #badd93);
  color: #0d1208;
  border-color: var(--primary-maroon, #badd93);
  box-shadow: 0 6px 16px rgba(186, 221, 147, 0.4);
}

body.gray-mode #close-changelog-modal,
body.gray-mode .changelog-close-btn {
  background: var(--bg-card, #242424);
  border-color: var(--border-dark, #444444);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

body.gray-mode #close-changelog-modal:hover,
body.gray-mode .changelog-close-btn:hover {
  background: var(--primary-maroon, #3b82f6);
  color: #ffffff;
  border-color: var(--primary-maroon, #3b82f6);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

body.dark-mode .changelog-version-section,
body.gray-mode .changelog-version-section {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-dark, #333333);
}

body.dark-mode .changelog-version-header,
body.gray-mode .changelog-version-header {
  border-bottom-color: var(--border-dark, #333333);
}

body.dark-mode .changelog-history-item,
body.gray-mode .changelog-history-item {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-dark, #333333);
}

body.dark-mode .changelog-history-toggle,
body.gray-mode .changelog-history-toggle {
  border-color: var(--border-dark, #4a4a4a);
  color: #e2e8f0;
}

body.dark-mode .changelog-history-toggle:hover,
body.gray-mode .changelog-history-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: #ffffff;
}

body.dark-mode .changelog-modal-footer,
body.gray-mode .changelog-modal-footer {
  background: rgba(0, 0, 0, 0.25);
  border-top-color: var(--border-dark, #333333);
}

body.dark-mode .changelog-doc-hint {
  background: rgba(186, 221, 147, 0.08);
  border-color: rgba(186, 221, 147, 0.25);
  color: #e2e8f0;
}

body.dark-mode .changelog-doc-hint i {
  color: #badd93;
}

body.dark-mode .changelog-doc-hint a {
  color: #badd93;
  font-weight: 600;
}

body.dark-mode .changelog-doc-hint a:hover {
  color: #d4f7a6;
}

body.gray-mode .changelog-doc-hint {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.25);
  color: #eae9f1;
}

body.gray-mode .changelog-doc-hint i {
  color: #3b82f6;
}

body.gray-mode .changelog-doc-hint a {
  color: #60a5fa;
  font-weight: 600;
}

body.gray-mode .changelog-doc-hint a:hover {
  color: #93c5fd;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS (EXPANDED SCREEN WIDTH)
   ============================================ */

@media (max-width: 768px) {
  .changelog-modal-content {
    width: calc(100% - 16px);
    max-width: 100%;
    max-height: 92vh;
    margin: 8px auto;
    border-radius: 12px;
    overflow: visible;
  }

  .changelog-modal-header {
    padding: 10px 14px;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
  }

  .changelog-header-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
    border-radius: 8px;
  }

  .changelog-title-group h2 {
    font-size: 1.05rem;
  }

  #close-changelog-modal,
  .changelog-close-btn {
    top: -10px;
    right: -8px;
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .changelog-modal-body {
    padding: 12px 14px;
    gap: 10px;
  }

  .changelog-version-section {
    padding: 10px 12px;
  }

  .changelog-modal-footer {
    padding: 10px 14px;
    gap: 8px;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
  }

  .changelog-doc-hint {
    padding: 7px 10px;
    font-size: 0.775rem;
  }
}

@media (max-width: 480px) {
  .changelog-modal-content,
  #changelog-modal .modal-content {
    width: calc(100% - 12px) !important;
    min-width: 0 !important;
    max-width: 100% !important;
    max-height: 94vh;
    margin: 6px auto;
    border-radius: 10px;
    overflow: visible;
  }

  .changelog-modal-header {
    padding: 8px 10px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
  }

  .changelog-header-icon {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .changelog-title-group h2 {
    font-size: 0.975rem;
  }

  .changelog-subtitle {
    font-size: 0.75rem;
  }

  #close-changelog-modal,
  .changelog-close-btn {
    top: -8px;
    right: -6px;
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .changelog-modal-body {
    padding: 10px;
    gap: 8px;
  }

  .changelog-version-section {
    padding: 8px 10px;
  }

  .changelog-item-title {
    font-size: 0.84rem;
  }

  .changelog-item-desc {
    font-size: 0.785rem;
  }

  .changelog-modal-footer {
    padding: 8px 10px;
    gap: 6px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }

  .changelog-doc-hint {
    padding: 6px 8px;
    font-size: 0.725rem;
  }
}