:root[data-theme="dark"] { color-scheme: dark; background: #171e1a; color: #dce5de; }
:root[data-theme="dark"] .toolbar { background: #1b241e; border-color: #2c3930; }
:root[data-theme="dark"] .login-card, :root[data-theme="dark"] .editor { background: #171e1a; border-color: #334138; }
:root[data-theme="dark"] .login-card p, :root[data-theme="dark"] .section-meta, :root[data-theme="dark"] .menu-shortcut, :root[data-theme="dark"] .tab-actions-title, :root[data-theme="dark"] .archive-empty { color: #9aada0; }
:root[data-theme="dark"] .login-card input { background: #202a23; border-color: #425749; color: #dce5de; }
:root[data-theme="dark"] .tab-item, :root[data-theme="dark"] .tab-close, :root[data-theme="dark"] .add-tab-button, :root[data-theme="dark"] .tool-button, :root[data-theme="dark"] .menu-item, :root[data-theme="dark"] .view-link { color: #b6c8ba; }
:root[data-theme="dark"] .toolbar-tools, :root[data-theme="dark"] .note-section { border-color: #2c3930; }
:root[data-theme="dark"] .tab-item.active { background: #28392d; border-color: #82b992; color: #d3e5d7; }
:root[data-theme="dark"] .tab-item:hover, :root[data-theme="dark"] .add-tab-button:hover, :root[data-theme="dark"] .tool-button:hover, :root[data-theme="dark"] .tool-button:focus-visible, :root[data-theme="dark"] .menu-button[aria-expanded="true"], :root[data-theme="dark"] .menu-item:hover, :root[data-theme="dark"] .menu-item:focus-visible { background: #2a3b2f; color: #d3e5d7; }
:root[data-theme="dark"] .actions-popup { background: #202a23; border-color: #36483b; box-shadow: 0 8px 28px #0003; }
:root[data-theme="dark"] .menu-icon, :root[data-theme="dark"] .section-delete { color: #98afa0; }
:root[data-theme="dark"] .menu-separator { background: #344238; }
:root[data-theme="dark"] .tab-actions-title { border-color: #344238; }
:root[data-theme="dark"] .save-status.error { color: #e59a92; }
:root[data-theme="dark"] .menu-item.danger, :root[data-theme="dark"] .menu-item.danger .menu-icon, :root[data-theme="dark"] .error-message, :root[data-theme="dark"] .save-status[data-state="error"] { color: #e59a92; }
:root[data-theme="dark"] .menu-item.danger:hover, :root[data-theme="dark"] .section-delete:hover, :root[data-theme="dark"] .section-delete:focus-visible, :root[data-theme="dark"] .tab-close:hover { background: #3e2d2b; color: #eab0a7; }
:root[data-theme="dark"] .draft-section .section-created, :root[data-theme="dark"] .save-status[data-state="saved"], :root[data-theme="dark"] .theme-check { color: #8dc6a2; }
:root[data-theme="dark"] .save-status { color: #a5c0ae; }
:root[data-theme="dark"] .save-status[data-state="pending"] { color: #dfb674; }
:root[data-theme="dark"] .save-spinner { border-color: #3b5643; border-top-color: #8dc6a2; }
:root[data-theme="dark"] .editor { caret-color: #8dc6a2; }
:root[data-theme="dark"] .editor:empty::before { color: #80968a; }
:root[data-theme="dark"] .editor li::marker { color: #a3bca9; }
:root[data-theme="dark"] .editor blockquote { border-color: #425c4b; color: #aec3b4; }
:root[data-theme="dark"] .check-toggle { background: #1c261f; border-color: #698a72; }
:root[data-theme="dark"] .check-toggle:hover, :root[data-theme="dark"] .check-toggle:focus-visible { border-color: #8dc6a2; box-shadow: 0 0 0 3px #2c4233; }
:root[data-theme="dark"] .editor li[data-checked="true"] > .check-toggle { background: #497c59; border-color: #86b996; }
:root[data-theme="dark"] .note-section:focus-within::before { background: #82b992; }
:root[data-theme="dark"] ::selection { background: #3b5c46; color: #eef7f0; }
:root[data-theme="dark"] .undo-toast { background: #332b1d; color: #f5deb0; border-color: #725a30; box-shadow: 0 12px 36px #0005; }
:root[data-theme="dark"] .undo-icon { background: #49391c; color: #edc27b; border-color: #735a2f; }
:root[data-theme="dark"] .undo-hint { color: #d0b889; }
:root[data-theme="dark"] .undo-toast button { background: #e5b663; border-color: #e5b663; color: #30230d; }
:root[data-theme="dark"] .undo-toast button:hover { background: #f1c883; border-color: #f1c883; }
:root[data-theme="dark"] #undo-countdown { background: #4b3c24; color: #f5d493; }
:root[data-theme="dark"] .tool-button[aria-pressed="true"] { color: #d3e5d7; background: #2a3b2f; }
:root[data-theme="dark"] .ProseMirror.is-empty::before { color: #80968a; }
:root[data-theme="dark"]{--note-canvas:#151d18;--note-surface:#1c261f;--note-line:#334338;--note-muted:#a3b5a8;--note-focus:#678c72;--note-focus-ring:#8dc6a210;--note-accent:#a1cdae}
:root[data-theme="dark"] .editor{background:transparent}
:root[data-theme="dark"] .note-section{border-color:var(--note-line)}
:root[data-theme="dark"] .note-section:focus-within{border-color:var(--note-focus)}