@layer base, components, utilities;

@layer base {
  :root {
    --bg-color: #f5f7fa;
    --text-color: #2d3748;
    --card-bg: #ffffff;
    --line-color: #e2e8f0;
    --dot-color: #4f46e5;
    --accent-color: #4f46e5;
    --button-bg: #4f46e5;
    --button-text: #ffffff;
    /* Use accent for links in light theme for consistency/contrast */
    --link-color: var(--accent-color);
    --navbar-height: 60px;
    --neutral-bg: #e5e7eb;
    --comment-bg-light: #f1f5f9;
    --text-muted: #6b7280;
    --hover-bg: #edf2f7;
    --focus-ring: 0 0 8px rgba(79, 70, 229, 0.3);
    --duration-fast: 150ms;
    --duration-base: 300ms;
    --state-hover-bg: var(--hover-bg);
    --state-active-bg: #d1d5db;
    --state-disabled-opacity: 0.5;
    --btn-press-scale: 0.97;
    --color-error: #dc2626;
    --color-success: #16a34a;
    --color-warning: #facc15;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --font-sm: 0.875rem;
    --font-md: 1rem;
    --font-lg: 1.25rem;
    --font-xl: 2rem;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.2);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --button-hover: #3e3ab8;
  }

  body.dark {
    --bg-color: #1a202c;
    --text-color: #e2e8f0;
    --card-bg: #2d3748;
    --line-color: #4a5568;
    --dot-color: #7f9cf5;
    --accent-color: #7f9cf5;
    --button-bg: #7f9cf5;
    /* Ensure legible text on dark-themed primary buttons */
    --button-text: #ffffff;
    /* Keep links aligned to accent in dark too (better affordance than near-white) */
    --link-color: var(--accent-color);
    --neutral-bg: #4b5563;
    --comment-bg-light: #334155;
    --text-muted: #9ca3af;
    --hover-bg: #4b5563;
    --state-hover-bg: var(--hover-bg);
    --state-active-bg: #64748b;
    --button-hover: #637bd1;
  }

  /* Explicitly re-assert light variables when .dark is removed to avoid cascade issues from other files */
  body:not(.dark) {
    --bg-color: #f5f7fa;
    --text-color: #2d3748;
    --card-bg: #ffffff;
    --line-color: #e2e8f0;
    --dot-color: #4f46e5;
    --accent-color: #4f46e5;
    --button-bg: #4f46e5;
    --button-text: #ffffff;
    --link-color: var(--accent-color);
    --neutral-bg: #e5e7eb;
    --comment-bg-light: #f1f5f9;
    --text-muted: #6b7280;
    --hover-bg: #edf2f7;
    --state-hover-bg: var(--hover-bg);
    --state-active-bg: #d1d5db;
    --button-hover: #3e3ab8;
  }

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

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

  body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl);
  }

  /* Lightweight unauthorized view used by ext.php and others */
  .unauthorized-body {
    background: radial-gradient(circle at top, #0f172a 0, #020617 52%, #000 100%);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
  }

  .unauthorized-shell {
    max-width: 560px;
    width: 100%;
  }

  .unauthorized-card {
    background: rgba(15, 23, 42, 0.96);
    border-radius: 1.25rem;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 22px 60px rgba(2, 6, 23, 0.78);
    border: 1px solid rgba(148, 163, 184, 0.24);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .unauthorized-title {
    margin: 0;
    font-size: 1.5rem;
  }

  .unauthorized-sub {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
  }

  .unauthorized-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
  }

  /* Shared not-found (404) page styling */
  .nf-body {
    background: radial-gradient(circle at top, #0f172a 0, #020617 52%, #000 100%);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
  }

  .nf-shell {
    max-width: 640px;
    width: 100%;
  }

  .nf-card {
    background: rgba(15, 23, 42, 0.96);
    border-radius: 1.25rem;
    padding: 1.9rem 1.6rem;
    box-shadow: 0 22px 60px rgba(2, 6, 23, 0.78);
    border: 1px solid rgba(148, 163, 184, 0.24);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .nf-title {
    margin: 0;
    font-size: 1.6rem;
  }

  .nf-sub {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
  }

  .nf-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.75rem;
  }

  @media (max-width: 768px) {
    .container {
      padding: var(--space-sm);
    }
  }

  /* Mobile enhancements */
  @media (max-width: 640px) {
    .timeline-box {
      padding: var(--space-xs);
    }
    .content {
      font-size: var(--font-sm);
    }
    /* Prevent horizontal scrolling due to wide content */
    .content, .timeline-entry, .timeline-box {
      overflow-wrap: anywhere;
      word-break: break-word;
    }
  }

  h1 {
    font-size: var(--font-xl);
    margin-bottom: var(--space-sm);
    color: var(--accent-color);
  }

  h2 {
    font-size: var(--font-lg);
    margin-bottom: var(--space-md);
    color: var(--text-color);
  }

  h3 {
    font-size: var(--font-md);
    margin-bottom: var(--space-sm);
    color: var(--text-color);
  }
}

@layer components {
  .timeline-form,
  .filter-form,
  .action-card {
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
    padding: var(--space-sm);
    display: grid;
    gap: calc(var(--space-xs) * 1.5);
    background: var(--card-bg);
  }

  /* Timeline form polish */
  .timeline-form .form-group {
    display: grid;
    gap: 2px;
    margin-bottom: calc(var(--space-xs) * 1.5);
  }

  .timeline-form .form-group:last-of-type {
    margin-bottom: 0;
  }

  .timeline-form .form-group--compact {
    margin-bottom: calc(var(--space-xs) * 0.75);
  }

  .timeline-form .form-group--stack {
    padding-bottom: calc(var(--space-xs) * 0.5);
    grid-template-columns: 1fr;
  }
  .timeline-form .form-group--editor {
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) {
    .timeline-form .form-group--stack {
      grid-template-columns: minmax(180px, 220px) 1fr;
      align-items: center;
      column-gap: var(--space-sm);
    }
    .timeline-form .form-group--stack .form-label {
      margin-bottom: 0;
    }
    .timeline-form .form-group--stack .ocr-actions,
    .timeline-form .form-group--stack .editor-wrapper {
      grid-column: 2;
    }
  }

  .timeline-form .form-group .actions {
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
  }

  .timeline-form .form-group .actions small {
    flex: 1 1 100%;
    line-height: 1.4;
  }

  .timeline-form .btn-iconized {
    gap: var(--space-xs);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .timeline-form .btn-iconized .btn-icon {
    width: 1rem;
    height: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  @media (max-width: 768px) {
    .timeline-form .btn-iconized .btn-icon {
      width: 0.9rem;
      height: 0.9rem;
    }
  }

  .timeline-form .btn-iconized .btn-icon svg {
    width: 100%;
    height: 100%;
  }

  .timeline-form .form-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--text-muted);
  }

  @media (max-width: 768px) {
    .timeline-form .form-label {
      font-size: 0.8125rem;
    }
  }

  .timeline-form .form-label-icon {
    width: 1.15rem;
    height: 1.15rem;
    color: var(--accent-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  @media (max-width: 768px) {
    .timeline-form .form-label-icon {
      width: 1rem;
      height: 1rem;
    }
  }

  .timeline-form .form-label-icon svg {
    width: 100%;
    height: 100%;
  }

  .timeline-form .form-label-text {
    line-height: 1.2;
  }

  .timeline-form .form-group--editor {
    margin-bottom: var(--space-md);
  }

  .timeline-form .form-two-col {
    display: grid;
    gap: var(--space-sm);
    align-items: start;
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px dashed var(--line-color);
  }
  @media (min-width: 900px) {
    .timeline-form .form-two-col {
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    }
  }
  .timeline-form .form-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }
  .timeline-form .inline-inputs {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
  }

  .timeline-form .ocr-actions {
    margin-top: var(--space-xs);
    padding-top: var(--space-xs);
    border-top: 1px dashed var(--line-color);
    position: relative;
    z-index: 1;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-xs) * 0.5);
    align-items: flex-start;
  }

  .timeline-form .ocr-actions small {
    margin: 0;
  }

  .timeline-form .ocr-actions .btn.btn-sm {
    width: auto;
    height: auto;
    padding: 0.4rem var(--space-sm);
    border-radius: 999px;
    border: 1px solid var(--line-color);
    box-shadow: none;
  }

  .timeline-form .ocr-actions .btn.btn-sm:hover,
  .timeline-form .ocr-actions .btn.btn-sm:focus-visible {
    box-shadow: var(--shadow-sm);
  }

  /* Attachment settings grouping */
  .timeline-form .attachment-settings {
    border: 1px dashed var(--line-color);
    border-radius: 8px;
    padding: calc(var(--space-xs) * 1.5);
    background: var(--card-bg);
    margin-bottom: calc(var(--space-xs) * 1.5);
  }
  .timeline-form .attachment-input-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    min-height: 38px;
  }
  .timeline-form .attachment-input-row #file-name {
    max-width: 50%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  @media (max-width: 640px) {
    .timeline-form .attachment-input-row #file-name {
      max-width: 100%;
    }
  }
  .timeline-form .attachment-settings .group-title {
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 2px;
  }
  .timeline-form .attachment-settings .radio-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .timeline-form .attachment-settings .group-help {
    color: var(--text-muted);
  }
  @media (min-width: 640px) {
    .timeline-form .attachment-settings .radio-group {
      grid-template-columns: 1fr 1fr;
    }
  }

  .timeline-form label {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--text-muted);
  }

  .timeline-form .date-selector {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }

  .timeline-form #editor {
    min-height: 220px;
  }

  .timeline-form .ql-container {
    height: auto;
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--card-bg);
  }

  /* Editor wrapper for fullscreen and counter */
  .timeline-form .editor-wrapper {
    position: relative;
    margin-bottom: var(--space-xs);
  }
  .timeline-form .editor-wrapper .ql-toolbar {
    border-radius: 8px 8px 0 0;
  }
  .timeline-form .editor-wrapper .ql-container {
    border-radius: 0 0 8px 8px;
  }
  .timeline-form .editor-wrapper .editor-counter {
    position: absolute;
    right: 12px;
    bottom: 12px;
    font-size: 12px;
    color: var(--text-muted);
    background: color-mix(in srgb, var(--card-bg) 90%, transparent);
    backdrop-filter: blur(4px);
    padding: 3px 8px;
    border-radius: 6px;
    pointer-events: none;
    z-index: 2;
  }

  /* Fullscreen mode */
  .timeline-form .editor-wrapper.is-fullscreen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10000;
    background: var(--bg-color);
    padding: var(--space-sm);
    display: grid;
    grid-template-rows: auto 1fr;
  }
  .timeline-form .editor-wrapper.is-fullscreen .ql-toolbar {
    position: sticky;
    top: 0;
    z-index: 1;
  }
  .timeline-form .editor-wrapper.is-fullscreen .ql-container {
    height: calc(100vh - 140px);
  }
  .timeline-form .ql-toolbar .custom-actions .ql-fullscreen-toggle {
    font-size: 14px;
    line-height: 1;
    padding: 2px 6px;
  }

  /* CKEditor 5 overrides */
  .ck-editor {
    width: 100%;
    max-width: 100%;
  }
  .ck.ck-editor__top,
  .ck.ck-sticky-panel,
  .ck.ck-toolbar {
    width: 100%;
    box-sizing: border-box;
  }
  .ck.ck-editor__main > .ck-editor__editable {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: var(--line-color);
  }
  .ck-editor__editable_inline {
    min-height: 190px;
    border-radius: 8px;
    border: 1px solid var(--line-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    padding: 10px 12px;
  }
  .ck.ck-toolbar {
    border-radius: 8px 8px 0 0;
    border: 1px solid var(--line-color);
    background: var(--card-bg);
    flex-wrap: wrap;
    gap: 4px;
    color: var(--text-color);
  }
  .ck.ck-toolbar + .ck-editor__editable {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
  .ck.ck-toolbar .ck-toolbar__items {
    flex-wrap: wrap;
    gap: 2px;
  }
  .ck.ck-toolbar .ck-toolbar__items::-webkit-scrollbar {
    height: 6px;
  }
  .ck.ck-toolbar .ck-button {
    color: var(--text-color);
  }
  .ck.ck-toolbar .ck-button.ck-on {
    background: rgba(59,130,246,0.12);
    border-radius: 6px;
  }
  .ck.ck-toolbar .ck-button:hover {
    background: rgba(255,255,255,0.06);
  }
  .ck-content img {
    max-width: 100%;
    height: auto;
  }
  body.dark .ck.ck-toolbar,
  body.dark .ck.ck-content {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: #4a5568;
  }
  body.dark .ck.ck-editor__main > .ck-editor__editable {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: #4a5568;
  }
  body.dark .ck.ck-button .ck-icon,
  body.dark .ck.ck-button .ck-button__label {
    color: var(--text-color);
  }
  body.dark .ck.ck-dropdown__panel,
  body.dark .ck.ck-dropdown__panel .ck-list {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: #4a5568;
  }
  @media (max-width: 768px) {
    .ck.ck-toolbar {
      overflow-x: auto;
      flex-wrap: nowrap;
      padding: 6px;
      gap: 0;
      scrollbar-width: thin;
    }
    .ck.ck-toolbar::-webkit-scrollbar {
      height: 6px;
    }
    .ck.ck-toolbar .ck-toolbar__items {
      flex-wrap: nowrap;
      gap: 0;
    }
    .ck.ck-toolbar .ck-button {
      padding: 6px 8px;
      min-width: 34px;
    }
    .ck.ck-toolbar .ck-button .ck-icon {
      width: 16px;
      height: 16px;
    }
    .ck-editor__editable_inline {
      min-height: 150px;
      font-size: 0.93rem;
      padding: 10px;
    }
  }

  .timeline-form .radio-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: var(--space-md);
    margin-bottom: var(--space-xs);
  }

  .timeline-form .form-submit {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    padding-top: var(--space-sm);
  }
  .timeline-form .form-actions {
    position: sticky;
    bottom: 0;
    display: flex;
    justify-content: flex-end;
    padding: calc(var(--space-xs) * 1.5);
    margin-top: var(--space-sm);
    background: color-mix(in srgb, var(--card-bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-radius: 10px;
    border: 1px solid var(--line-color);
    box-shadow: var(--shadow-md);
  }
  @media (max-width: 640px) {
    .timeline-form .form-actions {
      position: static;
      padding: var(--space-sm) 0 0;
      box-shadow: none;
      border: none;
      justify-content: flex-end;
    }
  }

  .timeline-form,
  .filter-form {
    background: var(--card-bg);
  }

  .action-card:hover,
  .action-card.is-hovered {
    box-shadow: var(--shadow-lg);
    transition: box-shadow var(--duration-base) var(--ease-in-out);
  }

  .action-card + .action-card {
    margin-top: var(--space-md);
  }

  .action-card.is-active {
    background: var(--state-active-bg);
    transition: background var(--duration-base) var(--ease-in-out);
  }

  .action-card.is-disabled {
    opacity: var(--state-disabled-opacity);
  }

  /* Simple responsive two-column grid */
  .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  @media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
  }

  /* Markdown/prose styling */
  .prose { line-height: 1.7; color: var(--text-color); }
  .prose h1, .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 { margin: 1em 0 .5em; color: var(--text-color); }
  .prose h1 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
  .prose h2 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
  .prose h3 { font-size: clamp(1.125rem, 1.8vw, 1.25rem); }
  .prose p { margin: .5em 0; }
  .prose ul, .prose ol { margin: .5em 0 .5em 1.2em; }
  .prose li { margin: .25em 0; }
  .prose code { background: color-mix(in srgb, var(--neutral-bg) 60%, transparent); padding: 0 .25em; border-radius: 4px; }
  .prose pre { background: color-mix(in srgb, var(--neutral-bg) 60%, transparent); padding: .75em; border-radius: 8px; overflow: auto; }
  .prose blockquote { border-left: 3px solid var(--line-color); margin: .75em 0; padding: .25em .75em; color: var(--text-muted); }
  .prose a { color: var(--accent-color); text-decoration: none; }
  .prose a:hover { text-decoration: underline; }
  .prose hr { border: none; border-top: 1px solid var(--line-color); margin: 1em 0; }
  .prose table { width: 100%; border-collapse: collapse; margin: .75em 0; }
  .prose th, .prose td { border: 1px solid var(--line-color); padding: .5em; }
  .prose img { max-width: 100%; height: auto; }

  .action-btn {
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    padding: var(--space-xs) var(--space-md);
    font-weight: 600;
    font-size: var(--font-md);
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-color);
    transition: background var(--duration-base) var(--ease-in-out),
                color var(--duration-base) var(--ease-in-out),
                border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out),
                transform var(--duration-base) var(--ease-in-out);
  }

  .action-btn:hover,
  .action-btn:focus-visible,
  .action-btn.is-hovered {
    background: var(--state-hover-bg);
    /* Use regular text color on hover to maintain contrast in light mode */
    color: var(--text-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }

  .action-btn:active,
  .action-btn.is-active {
    background: var(--state-active-bg);
    transform: scale(var(--btn-press-scale));
  }

  .action-btn:disabled,
  .action-btn.is-disabled {
    opacity: var(--state-disabled-opacity);
    cursor: not-allowed;
  }

  #toggle-form,
  #toggle-comingsoon,
  #toggle-pinned {
    width: 100%;
    justify-content: center;
    margin-bottom: var(--space-xs);
  }

  .timeline-section-card {
    border-radius: 8px;
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
  }

  .action-card .timeline-section-card {
    box-shadow: none;
    border: none;
    background: transparent;
  }

  #formContainer .timeline-form {
    background: transparent;
    box-shadow: none;
    padding: 0;
    margin: 0;
  }

  .main-timeline-heading {
    margin: var(--space-xl) 0 var(--space-md);
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--accent-color);
    border-top: 1px solid var(--line-color);
    padding-top: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  @media (max-width: 768px) {
    .timeline-form {
      padding: var(--space-sm);
      gap: var(--space-xs);
    }

    #formContainer .timeline-form {
      padding: var(--space-xs);
    }

    .form-submit {
      padding-top: var(--space-xs);
    }

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

    #toggle-form,
    #toggle-comingsoon,
    #toggle-pinned {
      margin-bottom: var(--space-xs);
    }

    .timeline-section-card {
      padding: var(--space-xs);
      margin-bottom: var(--space-xs);
    }
  }

  .timeline-section-card.hidden {
    display: none;
  }

  .timeline-scrollable {
    max-height: 600px;
    overflow-y: auto;
    padding: var(--space-xs);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    margin-top: var(--space-sm);
  }

  .timeline-container {
    position: relative;
    padding: var(--space-sm) 0;
  }

  .timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--line-color);
  }

  .timeline-entry {
    position: relative;
    width: 49%;
    padding: var(--space-sm);
    margin-bottom: var(--space-lg);
  }

  .timeline-entry.left {
    left: 0;
    text-align: left;
  }

  .timeline-entry.right {
    left: 51%;
    text-align: left;
  }

  .timeline-entry::before {
    content: '🚀';
    position: absolute;
    top: var(--space-sm);
    width: 32px;
    height: 32px;
    background: var(--card-bg);
    border: 4px solid var(--dot-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 1;
    color: var(--dot-color);
  }

  .timeline-entry.left::before {
    right: -32px;
  }

  .timeline-entry.right::before {
    left: -32px;
  }

  @media (max-width: 768px) {
    .timeline-container::before {
      left: 1.5rem;
      transform: none;
    }

    .timeline-entry {
      width: 100%;
      left: 0 !important;
      padding-left: 3rem;
      text-align: left;
    }

    .timeline-entry::before {
      left: 0 !important;
      right: auto;
    }
  }

  .timeline-box {
    background: var(--card-bg);
    padding: var(--space-sm);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--duration-base) var(--ease-in-out),
                background var(--duration-base) var(--ease-in-out);
  }

  .timeline-box:hover,
  .timeline-box.is-hovered {
    transform: translateY(-2px);
  }

  .timeline-box.is-active {
    background: var(--state-active-bg);
  }

  .timeline-box.is-disabled {
    opacity: var(--state-disabled-opacity);
  }

  .category {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
  }

  .category-tag {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--accent-color);
    padding-bottom: 2px;
    border-bottom: 2px solid var(--accent-color);
  }

  .pinned-tag {
    font-size: var(--font-md);
  }

  .content {
    margin-bottom: var(--space-sm);
    color: var(--text-color);
    line-height: 1.6;
  }

  .content h1,
  .content h2,
  .content h3,
  .content h4,
  .content h5,
  .content h6 {
    margin: var(--space-sm) 0;
    color: var(--text-color);
  }

  .content h1 {
    font-size: var(--font-lg);
  }

  .content h2 {
    font-size: var(--font-md);
  }

  .content h3,
  .content h4,
  .content h5,
  .content h6 {
    font-size: var(--font-sm);
  }

  .content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin: var(--space-sm) 0;
  }

  .content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: var(--space-sm);
    margin: var(--space-sm) 0;
    color: var(--text-muted);
    font-style: italic;
  }

  .content pre {
    background: var(--neutral-bg);
    padding: var(--space-sm);
    border-radius: 6px;
    overflow-x: auto;
    margin: var(--space-sm) 0;
  }

  .content code {
    background: var(--neutral-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: var(--font-sm);
  }

  .content hr {
    border: 0;
    border-top: 1px solid var(--line-color);
    margin: var(--space-md) 0;
  }

  body.dark .content pre,
  body.dark .content code {
    background: #3a4659;
  }

  body.dark .content blockquote {
    border-left-color: var(--accent-color);
    color: #b0b7c3;
  }

  .timestamp {
    font-size: var(--font-sm);
    color: var(--text-color);
    opacity: 0.7;
  }

  .username {
    font-weight: 600;
    color: var(--link-color);
  }

  .project-tag {
    background: var(--neutral-bg);
    color: var(--text-color);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: var(--font-sm);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.25rem;
  }

  .coming-soon-box {
    background: #fef9c3;
    color: #1e1e1e;
    border-radius: 8px;
    padding: var(--space-sm);
    margin: var(--space-sm) 0;
  }

  .comment-box {
    margin-top: var(--space-sm);
    background: var(--comment-bg-light);
    padding: var(--space-xs);
    border-radius: 8px;
    border: 1px solid var(--line-color);
    box-shadow: var(--shadow-sm);
  }

  .comment-user {
    font-weight: 600;
    color: var(--accent-color);
    font-size: var(--font-sm);
    margin-bottom: 0.25rem;
  }

  .comment-user small {
    font-weight: normal;
    color: var(--text-color);
    opacity: 0.7;
  }

  .comment-text {
    margin-top: 0.25rem;
    white-space: pre-wrap;
    color: var(--text-color);
    font-size: 0.95rem;
  }

  .comment-form {
    margin-top: var(--space-sm);
    display: flex;
    gap: var(--space-xs);
    flex-direction: column;
  }

  .comment-form textarea {
    width: 100%;
    padding: var(--space-xs);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--line-color);
    resize: vertical;
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .comment-form textarea:focus-visible {
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  .comment-form button {
    align-self: flex-start;
  }

  .actions {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
    justify-content: flex-end;
    align-items: center;
  }

  .btn {
    padding: var(--space-xs) var(--space-md);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--duration-base) var(--ease-in-out),
                opacity var(--duration-base) var(--ease-in-out),
                transform var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .btn-primary {
    background: var(--button-bg);
    color: var(--button-text);
  }

  .btn-neutral {
    background: var(--neutral-bg);
    color: var(--text-color);
  }

  .btn-danger {
    background: #ef4444;
    color: #fff;
  }

  .btn:hover,
  .btn:focus-visible,
  .btn.is-hovered {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }

  .btn:active,
  .btn.is-active {
    transform: scale(var(--btn-press-scale));
  }

  .btn:disabled,
  .btn.is-disabled {
    opacity: var(--state-disabled-opacity);
    cursor: not-allowed;
  }

  .btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
  }

  .btn-sm {
    padding: 0.25rem var(--space-xs);
    font-size: var(--font-sm);
  }

  .btn-edit {
    background: var(--neutral-bg);
    color: var(--text-color);
  }

  .btn-edit:hover,
  .btn-edit:focus-visible {
    background: var(--accent-color);
    /* Ensure sufficient contrast in light mode */
    color: #ffffff;
  }

  .btn-delete {
    background: #ef4444;
    color: #fff;
  }

  .empty-state {
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
    padding: var(--space-lg);
  }

  body.dark .ql-toolbar,
  body.dark .ql-container,
  body.dark .ql-container .ql-editor {
    background: #2d3748;
    color: #e2e8f0;
    border-color: #4a5568;
  }

  body.dark .ql-toolbar button svg {
    fill: #e2e8f0;
  }

  .navbar {
    background: var(--card-bg);
    color: var(--text-color);
    border-bottom: 1px solid var(--line-color);
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .nav-left {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .nav-logo {
    height: 36px;
    border-radius: 6px;
  }

  .nav-title {
    font-weight: bold;
    font-size: var(--font-lg);
    text-decoration: none;
    color: var(--text-color);
  }

  .nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    justify-content: flex-end;
  }

  .nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0;
    transition: color var(--duration-base) var(--ease-in-out);
  }

  .nav-link:hover,
  .nav-link:focus-visible {
    color: var(--accent-color);
    text-decoration: none;
  }

  .nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
    padding: var(--space-xs);
  }

  .nav-search {
    flex: 1;
    max-width: 300px;
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    padding: var(--space-xs) var(--space-sm);
  }

  .nav-search input[type="text"] {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-color);
    font-size: var(--font-sm);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .nav-search input[type="text"]::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
  }

  .nav-search button {
    background: none;
    border: none;
    font-size: var(--font-md);
    cursor: pointer;
    color: var(--text-color);
    display: none;
  }

  .nav-search input:not(:placeholder-shown) ~ button {
    display: inline;
  }

  .dropdown {
    position: relative;
  }

  .dropdown-toggle {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    color: var(--text-color);
    font-weight: 500;
    padding: var(--space-xs);
    transition: color var(--duration-base) var(--ease-in-out);
  }

  .dropdown-toggle:hover,
  .dropdown-toggle:focus-visible {
    color: var(--accent-color);
  }

  .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 1000;
    padding: var(--space-xs) 0;
  }

  .dropdown-content.show {
    display: block;
  }

  .dropdown-content a {
    display: block;
    padding: var(--space-xs) var(--space-md);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: background var(--duration-base) var(--ease-in-out),
                color var(--duration-base) var(--ease-in-out);
  }

  .dropdown-content a:hover,
  .dropdown-content a:focus-visible {
    background: var(--accent-color);
    color: var(--button-text);
  }

  body.dark .nav-search {
    border-color: #4a5568;
  }

  body.dark .nav-search input[type="text"]::placeholder {
    color: #94a3b8;
  }

  body.dark .dropdown-content {
    background: #2d3748;
    border-color: #4a5568;
  }

  @media (max-width: 768px) {
    .nav-inner {
      flex-direction: column;
      align-items: flex-start;
    }

    .nav-toggle {
      display: block;
    }

    .nav-links {
      display: none;
      position: absolute;
      top: var(--navbar-height);
      right: 20px;
      width: 200px;
      background: var(--card-bg);
      flex-direction: column;
      align-items: flex-start;
      padding: var(--space-sm);
      border-radius: 8px;
      box-shadow: var(--shadow-md);
      z-index: 999;
      transform: translateY(-10px);
      opacity: 0;
      transition: opacity var(--duration-base) var(--ease-in-out),
                  transform var(--duration-base) var(--ease-in-out);
    }

    .nav-links.show {
      display: flex;
      transform: translateY(0);
      opacity: 1;
    }

    .nav-link,
    .dropdown-toggle {
      font-size: var(--font-md);
      padding: var(--space-xs) 0;
      width: 100%;
    }

    .dropdown-content {
      position: static;
      box-shadow: none;
      border: none;
      padding: var(--space-xs) 0 var(--space-xs) var(--space-sm);
      background: transparent;
      width: 100%;
    }

    /* Center the notification dropdown on mobile */
    .notification-dropdown {
      position: fixed;
      top: calc(var(--navbar-height) + 40px); /* Adjust based on nav height and toggle button */
      left: 50%;
      transform: translateX(-50%);
      width: 90vw; /* Ensure it fits within the viewport */
      max-width: 300px; /* Match desktop width */
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--line-color);
      border-radius: 8px;
      background: var(--card-bg);
      z-index: 1000;
    }

    .dropdown-content a {
      padding: var(--space-xs) var(--space-sm);
      width: 100%;
    }

    .nav-search {
      width: 100%;
      max-width: none;
      margin: 0;
    }
  }

  @media (min-width: 769px) {
    .nav-inner {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }

    .nav-left {
      width: auto;
    }

    .nav-links {
      display: flex;
      position: static;
      width: auto;
      padding: 0;
      box-shadow: none;
      background: none;
    }

    .nav-search {
      margin: 0 var(--space-sm);
    }
  }

  .nav-link:focus-visible,
  .dropdown-toggle:focus-visible,
  .action-btn:focus-visible,
  .btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
  }

  mark {
    background: #fef9c3;
    padding: 0 2px;
    border-radius: 3px;
  }

  .attachment-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--duration-base) var(--ease-in-out);
  }

  .attachment-thumb {
    max-width: 150px;
    max-height: 150px;
    cursor: pointer;
    border-radius: 6px;
    margin-top: var(--space-xs);
    transition: transform var(--duration-base) var(--ease-in-out);
  }

  .attachment-thumb:hover {
    transform: scale(1.05);
  }

  .attachment-missing {
    padding: var(--space-xs);
    border-radius: 6px;
    background: var(--muted-bg, #f6f8fa);
    color: var(--text-muted, #6b7280);
    font-size: var(--font-sm);
  }

  .preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
  }

  .preview-overlay img {
    max-width: 95vw;
    max-height: 95vh;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
  }

  .theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-color);
  }

  .pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding: var(--space-md) 0;
  }

  .page-btn {
    padding: 0.5rem 1rem;
    background: var(--button-bg);
    color: var(--button-text);
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.3s;
  }

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

  .page-btn:hover {
    background: var(--button-hover);
  }

  @media (max-width: 768px) {
    .pagination {
      gap: var(--space-xs);
      padding: var(--space-sm) 0;
    }

    .page-btn {
      padding: var(--space-xs) var(--space-sm);
      font-size: var(--font-sm);
    }
  }

  .comment-edit-form {
    margin-top: var(--space-xs);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .comment-edit-form textarea {
    padding: var(--space-xs);
    border-radius: 6px;
    resize: vertical;
    border: 1px solid var(--line-color);
    background: var(--card-bg);
    color: var(--text-color);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .comment-edit-form textarea:focus-visible {
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  .comment-form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .comment-buttons {
    display: flex;
    gap: var(--space-xs);
    justify-content: flex-end;
  }

  .btn-icon {
    padding: 6px 10px;
    font-size: var(--font-md);
  }

  .icon-btn {
    background: var(--neutral-bg);
    border: none;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: var(--font-md);
    line-height: 1;
    transition: background var(--duration-base) var(--ease-in-out),
                color var(--duration-base) var(--ease-in-out);
  }

  .icon-btn:hover {
    background: var(--accent-color);
    color: var(--button-text);
  }

  .icon-btn.danger {
    background: #ef4444;
    color: white;
  }

  .hidden {
    display: none !important;
  }

  input, select, textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: var(--font-md);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  input::placeholder, select::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
  }

  .modern-input {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: var(--font-md);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .modern-input:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  .modern-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
  }

  .btn-modern {
    display: inline-block;
    width: 100%;
    padding: var(--space-sm);
    font-weight: bold;
    font-size: var(--font-md);
    border: none;
    border-radius: 8px;
    background: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    transition: background var(--duration-base) var(--ease-in-out),
                opacity var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .btn-modern:hover {
    background: var(--accent-color);
    opacity: 0.95;
    box-shadow: var(--shadow-sm);
  }

  .btn-modern.btn-sm {
    width: auto;
    padding: 0.45rem var(--space-md);
    font-size: var(--font-sm);
  }

  .login-form input,
  .token-form input {
    width: 100%;
    padding: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: var(--font-md);
    border-radius: 8px;
    border: 1px solid var(--line-color);
    background: var(--card-bg);
    color: var(--text-color);
    transition: border var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .login-form input:focus-visible,
  .token-form input:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  .login-form .btn,
  .token-form .btn {
    width: 100%;
    font-size: var(--font-md);
    font-weight: bold;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 8px;
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    cursor: pointer;
    transition: background var(--duration-base) var(--ease-in-out),
                opacity var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .login-form .btn:hover,
  .token-form .btn:hover {
    background: var(--accent-color);
    opacity: 0.95;
    box-shadow: var(--shadow-sm);
  }

  .alert-error {
    background: #fee2e2;
    color: #dc2626;
    padding: var(--space-md);
    border-radius: 8px;
    border: 1px solid #f87171;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
  }

  body.dark .alert-error {
    background: #7f1d1d;
    color: #f87171;
    border-color: #b91c1c;
  }

  .alert-success {
    background: #e7f3e8;
    color: #16a34a;
    padding: var(--space-md);
    border-radius: 8px;
    border: 1px solid #48bb78;
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 1000;
    max-width: 300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  body.dark .alert-success {
    background: #1a4731;
    color: #48bb78;
    border-color: #2f855a;
  }

  .alert-close {
    background: none;
    border: none;
    font-size: var(--font-md);
    cursor: pointer;
    color: var(--text-color);
  }

  .form-group input,
  .form-group select {
    width: 100%;
    padding: var(--space-sm);
    margin-bottom: var(--space-md);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: var(--font-md);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .form-group input:focus-visible,
  .form-group select:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
  }

  .user-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--neutral-bg);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    margin: 0.25rem;
    font-size: var(--font-sm);
  }

  .user-tag button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: var(--font-sm);
    transition: color var(--duration-base) var(--ease-in-out);
  }

  .user-tag button:hover {
    color: var(--accent-color);
  }

  .floating-label {
    position: relative;
    margin-bottom: var(--space-md);
  }

  .floating-label input,
  .floating-label select {
    padding: 1.6rem var(--space-sm) var(--space-xs);
    transition: border-color var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

  .floating-label label {
    position: absolute;
    top: 1.2rem;
    left: var(--space-sm);
    color: var(--text-muted);
    background: var(--card-bg);
    padding: 0 0.25rem;
    pointer-events: none;
    transition: top var(--duration-base) var(--ease-in-out),
                left var(--duration-base) var(--ease-in-out),
                font-size var(--duration-base) var(--ease-in-out),
                color var(--duration-base) var(--ease-in-out);
  }

  .floating-label input:focus + label,
  .floating-label input:not(:placeholder-shown) + label,
  .floating-label select:focus + label,
  .floating-label select:not(:placeholder-shown) + label {
    top: 0.45rem;
    left: 0.65rem;
    font-size: var(--font-sm);
    color: var(--accent-color);
  }

  .login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--space-md);
  }

  .login-box {
    position: relative;
    max-width: 420px;
    width: 100%;
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--duration-base) var(--ease-in-out);
    animation: fadeInUp 0.5s ease-out;
  }

  .login-box:hover {
    box-shadow: var(--shadow-lg);
  }

  @media (max-width: 768px) {
    .login-box {
      padding: var(--space-md);
      max-width: 360px;
    }
  }

  @media (max-width: 400px) {
    .login-box {
      padding: var(--space-sm);
    }
  }

  .login-form,
  .token-form {
    opacity: 1;
    transition: opacity var(--duration-fast) var(--ease-in-out);
  }

  .login-form.opacity-0,
  .token-form.opacity-0 {
    opacity: 0;
  }

  .theme-toggle {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--neutral-bg);
    border: 1px solid var(--line-color);
    border-radius: 8px;
    padding: var(--space-xs);
    font-size: var(--font-md);
    color: var(--text-color);
    cursor: pointer;
    transition: background var(--duration-base), border-color var(--duration-base), transform var(--duration-base);
  }

  .theme-toggle:hover,
  .theme-toggle:focus-visible {
    background: var(--state-hover-bg);
    border-color: var(--accent-color);
  }

  .theme-toggle:active {
    transform: rotate(180deg);
  }

  .logo-wrapper {
    text-align: center;
    margin-bottom: var(--space-md);
  }

  .logo {
    height: 60px;
    max-width: 100%;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2));
  }

  .slogan {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-bottom: var(--space-md);
  }

  .login-title {
    font-size: var(--font-lg);
    font-weight: 700;
    text-align: center;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
  }

  .switcher {
    text-align: center;
    margin-top: var(--space-md);
  }

  .forgot-password {
    display: block;
    text-align: center;
    margin-top: var(--space-sm);
    color: var(--link-color);
    text-decoration: none;
    font-size: var(--font-sm);
    transition: color var(--duration-base) var(--ease-in-out);
  }

  .forgot-password:hover {
    color: var(--accent-color);
    text-decoration: underline;
  }

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

  .user-list {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-md);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  /* Ensure explicit 2-column layout wins when requested */
  .user-list.grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  @media (max-width: 900px) {
    .user-list.grid-2 { grid-template-columns: 1fr; }
  }

  .user-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: var(--space-md);
    transition: transform var(--duration-base) var(--ease-in-out),
                box-shadow var(--duration-base) var(--ease-in-out);
  }

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

  .user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
  }

  .user-card-info h3 {
    margin: 0;
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-color);
  }
  .user-card-info h3 .project-color-dot {
    width: 12px;
    height: 12px;
    display: inline-block;
    border-radius: 50%;
    border: 1px solid var(--line-color);
  }

  .user-card-info .user-email {
    margin: var(--space-xs) 0 0;
    font-size: var(--font-sm);
    color: var(--text-muted);
  }

  .user-card-actions {
    display: flex;
    gap: var(--space-xs);
  }

  .user-action-form {
    display: inline;
  }

  .user-card-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    align-items: center;
  }

  .user-card-tokens {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: var(--font-sm);
    font-weight: 500;
    line-height: 1;
  }

  .role-badge {
    text-transform: capitalize;
  }

  .role-badge.role-administrator {
    background: #e9d5ff;
    color: #6b21a8;
  }

  .role-badge.role-editor {
    background: #d1fae5;
    color: #065f46;
  }

  .role-badge.role-viewer {
    background: #ddd6fe;
    color: #5b21b6;
  }

  .role-badge.role-api {
    background: #bfdbfe;
    color: #1e40af;
  }

  .role-badge.role-none {
    background: var(--neutral-bg);
    color: var(--text-muted);
  }

  .token-badge.token-api {
    background: #d1fae5;
    color: #065f46;
  }

  .token-badge.token-temporary {
    background: #fef9c3;
    color: #713f12;
  }

  body.dark .role-badge.role-administrator {
    background: #6b21a8;
    color: #e9d5ff;
  }

  body.dark .role-badge.role-editor {
    background: #065f46;
    color: #d1fae5;
  }

  body.dark .role-badge.role-viewer {
    background: #5b21b6;
    color: #ddd6fe;
  }

  body.dark .role-badge.role-api {
    background: #1e40af;
    color: #bfdbfe;
  }

  body.dark .role-badge.role-none {
    background: var(--neutral-bg);
    color: var(--text-muted);
  }

  body.dark .token-badge.token-api {
    background: #065f46;
    color: #d1fae5;
  }

  body.dark .token-badge.token-temporary {
    background: #713f12;
    color: #fef9c3;
  }

  .user-meta {
    font-size: var(--font-sm);
    color: var(--text-muted);
  }

  .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
  }

  .checkbox-label input {
    width: auto;
    margin: 0;
  }

  .checkbox-label span {
    font-size: var(--font-md);
  }

  .bulk-permissions-panel {
    display: none;
    margin-top: var(--space-md);
  }

  .bulk-permissions-panel.is-open {
    display: block;
  }

  .permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-sm);
    margin: var(--space-md) 0;
  }

  .tooltip {
    position: relative;
    display: inline-block;
  }

  .tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background: var(--neutral-bg);
    color: var(--text-color);
    text-align: center;
    border-radius: 6px;
    padding: var(--space-xs);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity var(--duration-fast);
  }

  .tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
  }

  body.dark .tooltip .tooltip-text {
    background: #4b5563;
  }

  .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }

  .modal-content {
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
  }

  @media (max-width: 768px) {
    .modal-content {
      width: 95%;
      padding: var(--space-md);
    }
  }

  .password-strength {
    margin: var(--space-xs) 0;
    font-size: var(--font-sm);
  }

  .password-strength.weak { color: var(--color-error); }
  .password-strength.medium { color: var(--color-warning); }
  .password-strength.strong { color: var(--color-success); }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .token-box {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin: var(--space-xs) 0;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--line-color);
    border-radius: 12px;
    background: var(--neutral-bg);
  }

  .token-box__input,
  .token-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-mono, 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace);
    font-size: var(--font-sm);
    letter-spacing: 0.05em;
    color: var(--text-color);
  }

  .token-box__input:focus,
  .token-input:focus {
    outline: none;
  }

  .token-box__actions {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
  }

  /* Checklist UI */
  .checklist { margin-top: var(--space-sm); border-top: 1px solid var(--line-color); padding-top: var(--space-xs); }
  .checklist__title { font-weight: 600; font-size: var(--font-sm); color: var(--text-muted); margin-bottom: var(--space-2xs); }
  .checklist__list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2xs); text-align: left; grid-template-columns: 1fr; justify-items: stretch; }
  .checklist, .checklist * { text-align: left; }
  .checklist__item { display: flex; align-items: center; justify-content: flex-start; gap: var(--space-xs); width: 100%; }
  .checklist__item .checkbox-label { display: flex; align-items: center; gap: var(--space-xs); margin: 0; flex: 1 1 auto; }
  .checklist__item .checklist__delete { margin-left: auto; }
  .checklist__text.is-done { text-decoration: line-through; color: var(--text-muted); }
  .checklist__delete { background: transparent; border: none; cursor: pointer; color: var(--text-muted); }
  .checklist__delete:hover { color: var(--color-error); }
  .checklist__add { margin-top: var(--space-xs); display: flex; gap: var(--space-2xs); }
  .checklist__add-input { flex: 1; }
  .checklist__handle { cursor: grab; user-select: none; color: var(--text-muted); padding: 0 4px; }
  .checklist__handle:active { cursor: grabbing; }
  .checklist__item[data-dragging="1"] { opacity: 0.7; }

  .token-box__action {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-in-out),
                border-color var(--duration-fast) var(--ease-in-out),
                background var(--duration-fast) var(--ease-in-out),
                box-shadow var(--duration-fast) var(--ease-in-out);
  }

  .token-box__action:hover,
  .token-box__action:focus-visible {
    color: var(--accent-color);
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.12);
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
  }

  .token-box__action--active,
  .token-box__action[data-visibility="visible"] {
    color: var(--accent-color);
    border-color: rgba(59, 130, 246, 0.5);
    background: var(--accent-subtle);
  }

  .token-box__action--success {
    color: var(--color-success);
    border-color: rgba(22, 163, 74, 0.5);
    background: rgba(22, 163, 74, 0.12);
  }

  .token-box__icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
    pointer-events: none;
  }

  .token-box__icon--hide {
    display: none;
  }

  .token-box__action[data-visibility="visible"] .token-box__icon--show {
    display: none;
  }

  .token-box__action[data-visibility="visible"] .token-box__icon--hide {
    display: block;
  }

  .token-delete-form {
    display: inline;
    margin-top: var(--space-xs);
  }

  .group-panel {
    margin-bottom: var(--space-md);
  }

  .group-panel summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    background: var(--neutral-bg);
    border-radius: 6px;
    cursor: pointer;
  }

  .group-panel .group-name {
    font-weight: 600;
  }

  .group-panel .group-actions {
    display: flex;
    gap: var(--space-sm);
  }

  /* New styles for tab navigation and layout */
  .subtitle {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
  }

  .tab-menu {
    display: flex;
    gap: var(--space-md);
    border-bottom: 1px solid var(--line-color);
    margin-bottom: var(--space-lg);
  }

  .tab-link {
    display: inline-block;
    padding: var(--space-sm) 0;
    font-size: var(--font-md);
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-in-out),
                border-bottom var(--duration-base) var(--ease-in-out);
  }

  .tab-link:hover {
    color: var(--accent-color);
  }

  .tab-link.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
  }

  .tab-content {
    display: none;
  }

  @media (max-width: 768px) {
    .tab-menu {
      flex-wrap: wrap;
      gap: var(--space-sm);
    }

    .tab-link {
      font-size: var(--font-sm);
      padding: var(--space-xs) 0;
    }
  }

  /* Notification-specific styles */
  .notif-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-error);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 50%;
    line-height: 1;
  }

  .notification-dropdown {
    width: 300px;
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-sm);
  }

  .notif-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
    border-radius: 6px;
    background: var(--card-bg);
    transition: background var(--duration-base) var(--ease-in-out);
  }

  .notif-item.read {
    opacity: 0.7;
  }

  .notif-item.unread {
    background: var(--hover-bg);
  }

  .notif-item.notif-error {
    border-left: 3px solid var(--color-error);
  }

  .notif-item.notif-success {
    border-left: 3px solid var(--color-success);
  }

  .notif-content {
    flex: 1;
  }

  .notif-message {
    font-size: var(--font-sm);
    margin-bottom: var(--space-xs);
    color: var(--text-color);
  }

  .notif-timestamp {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
  }

  .notif-action-form {
    display: inline;
  }

  .notif-link.view-all {
    display: block;
    text-align: center;
    margin-top: var(--space-sm);
    font-weight: 600;
    color: var(--accent-color);
    text-decoration: none;
  }

  .notif-link.view-all:hover {
    text-decoration: underline;
  }

  body.dark .notif-item.unread {
    background: #3a4659;
  }

  body.dark .notif-link.view-all {
    color: var(--accent-color);
  }

  /* Styles for notifications page cards */
  .user-card.read {
    opacity: 0.7;
  }

  .user-card.unread {
    background: var(--hover-bg);
  }

  body.dark .user-card.unread {
    background: #3a4659;
  }
}