*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0c0e14;--surface:#13151f;--surface2:#1a1d2b;--border:#252836;--accent:#5b8af5;--accent-h:#7aa0f7;--accent-dim:#1e2d4a;--text:#dde1f0;--muted:#5a607a;--muted2:#8890aa;--danger:#f05454;--success:#3fcf8e;--warn:#f5a623;--radius:8px;--mono:ui-monospace, monospace;--sans:system-ui, sans-serif}html,body{height:100vh}body{background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100vh;display:flex;flex-direction:column;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:52px;border-bottom:1px solid var(--border);background:var(--surface);gap:12px;flex-shrink:0;position:sticky;top:0;z-index:50}#editor-toolbar{display:none}@media (max-width:600px){header{height:auto;flex-wrap:wrap;padding:10px 14px}body.is-editor 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var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;background:var(--surface)}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}.modal-content-wrap{display:flex;flex-direction:column;gap:18px}#my-notes-list{display:flex;flex-direction:column;gap:8px;max-height:45vh;overflow-y:auto;margin:0 -5px;padding:0 5px}.history-item{display:flex;flex-direction:column;gap:6px;padding:12px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;transition:border-color 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.85);color:#fff;padding:6px 12px;border-radius:6px;font-size:.75rem;font-family:var(--sans);pointer-events:none;z-index:99999;opacity:0;visibility:hidden;box-shadow:0 4px 12px rgb(0 0 0 / .2);backdrop-filter:blur(4px);white-space:nowrap;transform:none;transition:opacity 0.15s ease,visibility 0.15s}#global-tooltip.show{opacity:1;visibility:visible}#global-tooltip::after{content:'';position:absolute;border:5px solid #fff0;display:none}#global-tooltip.tip-top::after{display:block;top:100%;left:var(--arrow-x,50%);transform:translateX(-50%);border-top-color:rgb(0 0 0 / .85)}#global-tooltip.tip-bottom::after{display:block;bottom:100%;left:var(--arrow-x,50%);transform:translateX(-50%);border-bottom-color:rgb(0 0 0 / .85)}#global-tooltip.tip-left::after{display:block;top:var(--arrow-y,50%);left:100%;transform:translateY(-50%);border-left-color:rgb(0 0 0 / .85)}#global-tooltip.tip-right::after{display:block;top:var(--arrow-y,50%);right:100%;transform:translateY(-50%);border-right-color:rgb(0 0 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.md-copy-btn{opacity:1;transform:translateY(0)}.md-copy-btn{position:absolute;top:10px;right:10px;z-index:3;display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border:1px solid var(--border);border-radius:7px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(6px);color:var(--muted2);font-family:var(--sans);font-size:.72rem;font-weight:600;line-height:1;cursor:pointer;opacity:0;transform:translateY(-2px);transition:opacity .16s ease,transform .16s ease,border-color .16s ease,color .16s ease,background .16s ease}.md-copy-btn:hover{color:var(--text);border-color:var(--accent);background:var(--surface2)}.md-copy-btn:active{transform:scale(.96)}.md-copy-btn.copied{color:var(--success);border-color:color-mix(in srgb,var(--success) 45%,transparent)}@media (max-width:600px){.md-copy-btn{opacity:.92;transform:none}}#btn-md-preview.active,#btn-md-preview-mobile.active,#btn-wrap-toggle.active,#btn-view-md-toggle.active{background:var(--surface2);color:var(--accent);border-color:var(--accent)}.md-preview-btn-hidden{display:none!important}.show-mobile-only{display:none}@media (max-width:600px){.show-mobile-only:not(.md-preview-btn-hidden){display:inline-flex}}@media (max-width:600px){.editor-char-count{padding:3px 14px;font-size:.68rem}}.meta-item--views{display:flex;align-items:center;gap:4px;cursor:help;border-radius:4px;padding:2px 4px;margin:-2px -4px;transition:background 0.15s;flex-shrink:0;white-space:nowrap}.meta-item--views:hover{background:var(--surface2,rgb(255 255 255 / .06))}#qr-modal-overlay{display:none;position:fixed;inset:0;background:rgb(0 0 0 / .55);z-index:1100;align-items:center;justify-content:center;backdrop-filter:blur(2px)}#qr-modal-overlay.open{display:flex}#qr-modal{background:var(--surface,#1e1e2e);border:1px solid var(--border,rgb(255 255 255 / .1));border-radius:14px;padding:28px 24px 20px;min-width:260px;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:0 8px 40px rgb(0 0 0 / .4);animation:modalSlideUp 0.22s cubic-bezier(.22,.68,0,1.2)}.qr-modal-inner{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%}#qr-modal-container{background:#fff;border-radius:8px;padding:10px;display:flex;align-items:center;justify-content:center}.qr-modal-url{font-size:.75rem;color:var(--muted,#888);word-break:break-all;text-align:center;max-width:220px}