/* ══════════════════════════════════
       VARIABLES
    ══════════════════════════════════ */
    :root {
      --bg:           #f7f4ef;
      --surface:      #ffffff;
      --text:         #1c1917;
      --muted:        #78716c;
      --border:       #e2ddd6;
      --accent:       #c96a2b;
      --accent-h:     #b05c22;
      --accent-soft:  #fdf0e6;
      --tag-bg:       #eef2ff;
      --tag-text:     #3730a3;
      --danger:       #c62828;
      --code-bg:      #f3f0ea;
    }
    body.dark {
      --bg:           #0f0e0d;
      --surface:      #1a1917;
      --text:         #e8e4d9;
      --muted:        #8a8578;
      --border:       #2e2b27;
      --accent-soft:  #2a1800;
      --tag-bg:       #1e1b4b;
      --tag-text:     #a5b4fc;
      --code-bg:      #141311;
    }

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

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      transition: background .3s, color .3s;
    }

    /* each view takes remaining space so footer stays at bottom */
    #v-dashboard, #v-reader, #v-editor { flex: 1; display: none; }

    /* ══════════════════════════════════
       HEADER
    ══════════════════════════════════ */
    .site-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 16px 40px;
      border-bottom: 1px solid var(--border);
      background: var(--surface);
      position: sticky; top: 0; z-index: 200;
    }
    .logo {
      font-family: 'Instrument Serif', serif;
      font-size: 1.4rem; color: var(--accent);
      cursor: pointer; text-decoration: none;
      font-weight: 700;
    }
    .header-right { display: flex; align-items: center; gap: 10px; }

    /* ══════════════════════════════════
       BUTTONS
    ══════════════════════════════════ */
    .btn {
      font-family: 'DM Sans', sans-serif;
      font-size: .85rem; font-weight: 600;
      padding: 8px 18px; border-radius: 8px;
      border: none; cursor: pointer;
      transition: all .2s;
      display: inline-flex; align-items: center; gap: 5px;
    }
    .btn-primary   { background: var(--accent); color: #fff; }
    .btn-primary:hover  { background: var(--accent-h); }
    .btn-secondary { background: var(--border); color: var(--text); }
    .btn-secondary:hover { filter: brightness(.93); }
    .btn-ghost     { background: transparent; border: 2px solid var(--border); color: var(--text); }
    .btn-ghost:hover    { background: var(--border); }
    .btn-danger    { background: var(--danger); color: #fff; }
    .btn-danger:hover   { background: #b71c1c; }
    .btn-sm { padding: 5px 12px; font-size: .78rem; }

    /* ── Theme toggle — prominent ── */
    #theme-toggle {
      font-size: 1.2rem;
      font-weight: 900;
      padding: 6px 14px;
      border: 2px solid var(--accent);
      color: var(--accent);
      background: var(--accent-soft);
      border-radius: 8px;
      cursor: pointer;
      transition: all .2s;
      letter-spacing: 0.02em;
    }
    #theme-toggle:hover {
      background: var(--accent);
      color: #fff;
    }

    /* ══════════════════════════════════
       VIEW: DASHBOARD
    ══════════════════════════════════ */
    .hero {
      padding: 52px 40px 24px;
      max-width: 1200px; margin: 0 auto;
    }
    .hero h1 {
      font-family: 'Instrument Serif', serif;
      font-size: 2.6rem; margin-bottom: 8px;
    }
    .hero p { color: var(--muted); font-size: .98rem; }

    /* ── Search + Sort Bar ── */
    .search-sort-bar {
      max-width: 1200px; margin: 0 auto;
      padding: 0 40px 14px;
      display: flex; align-items: center; gap: 10px;
    }
    #search-input {
      flex: 1;
      font-family: 'DM Sans', sans-serif;
      font-size: .88rem;
      padding: 8px 16px 8px 38px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: var(--surface);
      color: var(--text);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }
    #search-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(201,106,43,.12);
    }
    #search-input::placeholder { color: var(--muted); }
    .search-wrap {
      position: relative; flex: 1;
    }
    .search-icon {
      position: absolute; left: 13px; top: 50%;
      transform: translateY(-50%);
      color: var(--muted); font-size: .85rem;
      pointer-events: none;
    }
    #sort-select {
      font-family: 'DM Sans', sans-serif;
      font-size: .8rem; font-weight: 600;
      padding: 8px 14px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: var(--surface);
      color: var(--text);
      cursor: pointer;
      outline: none;
      transition: border-color .2s;
      appearance: none;
      -webkit-appearance: none;
      padding-right: 28px;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2378716c'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
    }
    #sort-select:focus { border-color: var(--accent); }

    /* ── Tag Filter Bar ── */
    .tag-bar-wrapper {
      max-width: 1200px; margin: 0 auto;
      padding: 0 40px 20px;
      display: flex; align-items: center;
      flex-wrap: wrap; gap: 8px;
    }
    #tag-filters {
      display: flex; flex-wrap: wrap; gap: 8px;
      flex: 1;
    }
    .filter-pill {
      font-family: 'DM Sans', sans-serif;
      font-size: .76rem; font-weight: 600;
      padding: 5px 14px; border-radius: 999px;
      border: 1px solid var(--border);
      background: var(--surface); color: var(--muted);
      cursor: pointer; transition: all .2s;
      text-transform: capitalize;
      display: inline-flex; align-items: center; gap: 5px;
    }
    .filter-pill:hover, .filter-pill.active {
      background: var(--accent); color: #fff; border-color: var(--accent);
    }
    /* delete × on tag pill (only in manage mode) */
    .filter-pill .pill-del {
      display: none;
      font-size: .7rem; font-weight: 900;
      margin-left: 2px; line-height: 1;
      opacity: .7;
    }
    body.manage-tags .filter-pill:not(.pill-all) .pill-del {
      display: inline;
    }
    body.manage-tags .filter-pill:not(.pill-all) {
      border-color: var(--danger);
    }
    /* Add-tag inline form */
    #tag-add-form {
      display: none;
      align-items: center; gap: 6px;
    }
    body.manage-tags #tag-add-form { display: flex; }

    #tag-add-input {
      font-family: 'DM Sans', sans-serif;
      font-size: .78rem; padding: 5px 12px;
      border: 1px solid var(--accent);
      border-radius: 999px;
      background: var(--bg); color: var(--text);
      outline: none; width: 130px;
    }
    .manage-btn {
      font-size: .76rem; font-weight: 700;
      padding: 5px 12px; border-radius: 999px;
      border: 1px solid var(--border);
      cursor: pointer; background: var(--surface); color: var(--muted);
      transition: all .2s;
    }
    .manage-btn:hover { border-color: var(--accent); color: var(--accent); }
    body.manage-tags .manage-btn {
      border-color: var(--accent); color: var(--accent);
      background: var(--accent-soft);
    }

    /* ── Cards Grid ── */
    #cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 24px;
      padding: 0 40px 80px;
      max-width: 1200px; margin: 0 auto;
    }
    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 26px 24px 20px;
      cursor: pointer;
      transition: transform .2s, box-shadow .2s, border-color .2s;
      display: flex; flex-direction: column;
      position: relative;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(0,0,0,.09);
      border-color: var(--accent);
    }
    .card-edit-btn {
      position: absolute; top: 14px; right: 14px;
      opacity: 0; transition: opacity .15s;
    }
    .card:hover .card-edit-btn { opacity: 1; }

    .card-category {
      font-size: .7rem; font-weight: 700;
      letter-spacing: .12em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 8px;
    }
    .card-title {
      font-family: 'Instrument Serif', serif;
      font-size: 1.4rem; line-height: 1.3;
      margin-bottom: 8px; color: var(--text);
    }
    .card-desc {
      color: var(--muted); font-size: .86rem; line-height: 1.6;
      display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
      -webkit-box-orient: vertical; overflow: hidden;
      margin-bottom: 18px; flex: 1;
    }
    .card-footer {
      display: flex; justify-content: space-between; align-items: center;
      border-top: 1px solid var(--border); padding-top: 14px; gap: 8px;
    }
    .card-tags { display: flex; flex-wrap: wrap; gap: 4px; }
    .tag {
      font-size: .68rem; font-weight: 600;
      padding: 3px 9px; border-radius: 999px;
    }
    .card-links { display: flex; gap: 6px; margin-left: auto; }
    .card-link-btn {
      color: var(--muted); padding: 4px; border-radius: 4px;
      display: inline-flex; transition: all .2s; outline: none;
    }
    .card-link-btn:hover { color: var(--accent); background: var(--accent-soft); }
    .card-date { font-size: .76rem; color: var(--muted); white-space: nowrap; flex-shrink: 0; }

    /* ── Empty State ── */
    .empty-state {
      grid-column: 1 / -1;
      text-align: center; padding: 90px 20px;
      color: var(--muted);
      display: flex; flex-direction: column;
      align-items: center; gap: 14px;
    }
    .empty-state-icon {
      font-size: 2.6rem; opacity: .35;
      margin-bottom: 4px;
    }
    .empty-state-title {
      font-family: 'Instrument Serif', serif;
      font-size: 1.45rem; color: var(--text);
      font-weight: 400;
    }
    .empty-state-sub {
      font-size: .9rem; color: var(--muted);
      max-width: 300px; line-height: 1.6;
    }
    .empty-state-btn {
      margin-top: 6px;
      font-family: 'DM Sans', sans-serif;
      font-size: .88rem; font-weight: 600;
      padding: 10px 24px; border-radius: 999px;
      border: none; cursor: pointer;
      background: var(--accent); color: #fff;
      transition: all .2s;
      display: inline-flex; align-items: center; gap: 6px;
    }
    .empty-state-btn:hover {
      background: var(--accent-h);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(201,106,43,.25);
    }

    /* ══════════════════════════════════
       VIEW: READER
    ══════════════════════════════════ */
    #v-reader {
      max-width: 740px; margin: 0 auto;
      padding: 40px 20px 80px;
    }
    .reader-top {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 32px; flex-wrap: wrap; gap: 12px;
    }
    .reader-meta { margin-bottom: 36px; text-align: center; }
    .reader-meta .rcat {
      font-size: .72rem; font-weight: 700;
      letter-spacing: .14em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 8px;
    }
    .reader-meta h1 {
      font-family: 'Instrument Serif', serif;
      font-size: 2.2rem; line-height: 1.25; margin-bottom: 8px;
    }
    .reader-meta .rdate { color: var(--muted); font-size: .88rem; }
    .reader-meta .rtags {
      display: flex; justify-content: center;
      flex-wrap: wrap; gap: 6px; margin-top: 14px;
    }

    /* Prose */
    .prose { line-height: 1.8; font-size: .95rem; }
    .prose h1,.prose h2,.prose h3 {
      font-family: 'Instrument Serif', serif; color: var(--accent); margin: 28px 0 10px;
    }
    .prose h1 { font-size: 1.5rem; }
    .prose h2 { font-size: 1.3rem; }
    .prose h3 { font-size: 1.15rem; }
    .prose p  { margin-bottom: 12px; }
    .prose ul, .prose ol { padding-left: 22px; margin-bottom: 12px; }
    .prose li { margin-bottom: 5px; }
    .prose strong { font-weight: 600; }
    .prose code {
      background: var(--code-bg);
      padding: 2px 6px; border-radius: 4px; font-size: .86em;
    }
    .prose pre {
      background: var(--code-bg); border: 1px solid var(--border);
      border-radius: 10px; padding: 16px 20px;
      overflow-x: auto; margin: 14px 0;
      font-size: .85rem; line-height: 1.6;
    }
    .prose pre code { background: none; padding: 0; }
    .prose hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
    .prose img { max-width: 100%; border-radius: 10px; margin: 14px 0; }

    /* ── Chat-style blockquotes ── */
    .prose blockquote {
      border-left: none;
      border-radius: 16px;
      padding: 12px 18px;
      margin: 8px 0;
      font-size: .9rem;
      max-width: 82%;
      position: relative;
      line-height: 1.6;
    }
    /* Odd blockquotes = "You" → right-aligned, accent bubble */
    .prose blockquote:nth-of-type(odd) {
      background: var(--accent);
      color: #fff;
      margin-left: auto;
      margin-right: 0;
      border-bottom-right-radius: 4px;
    }
    .prose blockquote:nth-of-type(odd) strong,
    .prose blockquote:nth-of-type(odd) code {
      color: #fff;
      background: rgba(255,255,255,.18);
    }
    /* Even blockquotes = "AI" → left-aligned, surface bubble */
    .prose blockquote:nth-of-type(even) {
      background: var(--surface);
      color: var(--text);
      border: 1px solid var(--border);
      margin-left: 0;
      margin-right: auto;
      border-bottom-left-radius: 4px;
    }
    body.dark .prose blockquote:nth-of-type(even) {
      background: #252320;
    }

    /* â"€â"€ HTML Content Display â"€â"€ */
    .html-content {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px;
      overflow-x: auto;
    }
    .html-content img { max-width: 100%; height: auto; }
    .html-content iframe { max-width: 100%; border: 1px solid var(--border); border-radius: 8px; }

    /* ══════════════════════════════════
       VIEW: EDITOR
    ══════════════════════════════════ */
    #v-editor {
      max-width: 1200px; margin: 0 auto;
      padding: 32px 20px 80px;
    }
    .editor-top {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
    }
    .editor-top h2 {
      font-family: 'Instrument Serif', serif; font-size: 1.8rem;
    }
    .editor-fields {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 14px; margin-bottom: 20px;
    }
    .fg { display: flex; flex-direction: column; gap: 5px; }
    .fg label { font-size: .82rem; font-weight: 600; }
    .fg input, .fg textarea {
      padding: 9px 14px; border: 1px solid var(--border);
      border-radius: 8px; font-family: 'DM Sans', sans-serif;
      font-size: .92rem; background: var(--bg); color: var(--text);
      transition: border-color .2s;
    }
    .fg input:focus, .fg textarea:focus { outline: none; border-color: var(--accent); }
    .fg select {
      padding: 9px 14px; border: 1px solid var(--border);
      border-radius: 8px; font-family: 'DM Sans', sans-serif;
      font-size: .92rem; background: var(--bg); color: var(--text);
      transition: border-color .2s; cursor: pointer;
    }
    .fg select:focus { outline: none; border-color: var(--accent); }
    .fg .hint { font-size: .72rem; color: var(--muted); }

    .editor-panes {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 20px; min-height: 500px;
    }
    .pane-label {
      font-size: .76rem; font-weight: 600;
      text-transform: uppercase; letter-spacing: .1em;
      color: var(--muted); margin-bottom: 8px;
    }
    #md-textarea {
      width: 100%; height: 100%; min-height: 460px;
      resize: vertical; padding: 18px;
      border: 1px solid var(--border); border-radius: 12px;
      font-family: monospace; font-size: .9rem; line-height: 1.7;
      background: var(--surface); color: var(--text);
    }
    #md-textarea:focus { outline: none; border-color: var(--accent); }
    #md-preview {
      border: 1px solid var(--border); border-radius: 12px;
      padding: 22px; background: var(--surface);
      overflow-y: auto; max-height: 600px;
    }

    /* ── Pane label row (label + word count) ── */
    .pane-label-row {
      display: flex; align-items: center;
      justify-content: space-between; margin-bottom: 8px;
    }
    .pane-label-row .pane-label { margin-bottom: 0; }
    #word-count {
      font-size: .72rem; color: var(--muted);
      font-variant-numeric: tabular-nums;
    }

    /* ── Tag autocomplete ── */
    .tag-input-wrap { position: relative; }
    #tag-suggestions {
      position: absolute; top: calc(100% + 4px); left: 0; right: 0;
      background: var(--surface);
      border: 1px solid var(--border); border-radius: 10px;
      box-shadow: 0 8px 24px rgba(0,0,0,.1);
      z-index: 300; overflow: hidden; display: none;
    }
    #tag-suggestions.open { display: block; }
    .tag-sug-item {
      padding: 8px 14px; font-size: .85rem; cursor: pointer;
      color: var(--text); transition: background .15s;
      display: flex; align-items: center; gap: 8px;
    }
    .tag-sug-item:hover, .tag-sug-item.focused {
      background: var(--accent-soft); color: var(--accent);
    }
    .tag-sug-badge {
      font-size: .65rem; font-weight: 700; padding: 2px 7px;
      border-radius: 999px; margin-left: auto;
    }

    /* ── Export / Import bar ── */
    .data-bar {
      max-width: 1200px; margin: 0 auto;
      padding: 0 40px 22px;
      display: flex; align-items: center; gap: 10px;
    }
    .data-bar-label {
      font-size: .76rem; font-weight: 600;
      color: var(--muted); text-transform: uppercase;
      letter-spacing: .08em; margin-right: 4px;
    }
    @media (max-width: 700px) { .data-bar { padding-left: 20px; padding-right: 20px; } }

    /* ══════════════════════════════════
       FOOTER
    ══════════════════════════════════ */
    footer {
      text-align: center; padding: 28px 20px;
      border-top: 1px solid var(--border);
      background: var(--surface);
      color: var(--muted); font-size: .8rem;
      margin-top: auto;
      transition: transform .3s ease;
    }
    footer.hidden {
      transform: translateY(100%);
    }

    /* ══════════════════════════════════
       RESPONSIVE
    ══════════════════════════════════ */
    @media (max-width: 700px) {
      .site-header { padding: 14px 20px; }
      .hero { padding: 32px 20px 20px; }
      .tag-bar-wrapper, #cards-grid { padding-left: 20px; padding-right: 20px; }
      .search-sort-bar { padding-left: 20px; padding-right: 20px; }
      .editor-fields, .editor-panes { grid-template-columns: 1fr; }
      .card-edit-btn { opacity: 1; }
      .prose blockquote { max-width: 95%; }
    }