.app-header{background:var(--bg);border-bottom:1px solid var(--border);z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:color-mix(in srgb, var(--bg) 85%, transparent);padding:16px 20px;position:sticky;top:0}.app-header h1{color:var(--text-h);text-align:center;margin:0 0 12px;font-size:24px;font-weight:600}.date-wrapper{justify-content:center;align-items:center;gap:8px;display:flex}.date-icon{font-size:16px}.date-input{border:1px solid var(--border);background:var(--code-bg);color:var(--text-h);font-size:14px;font-family:var(--sans);cursor:pointer;border-radius:8px;padding:6px 12px;transition:border-color .2s}.date-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg);outline:none}.search-bar{background:var(--bg);border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:8px 20px;display:flex}.search-icon{flex-shrink:0;font-size:16px}.search-input{color:var(--text-h);font-size:15px;font-family:var(--sans);background:0 0;border:none;flex:1;padding:4px 0}.search-input::placeholder{color:var(--text);opacity:.6}.search-input:focus{outline:none}.note-list{flex-direction:column;flex:1;gap:10px;max-height:calc(100svh - 200px);padding:12px 8px;display:flex;overflow-y:auto}@media (width>=640px){.note-list{padding:16px}}@media (width>=1024px){.note-list{padding:24px}}.note-list-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:40px 20px;display:flex}.empty-icon{opacity:.5;font-size:48px}.empty-text{color:var(--text-h);margin:0;font-size:18px;font-weight:500}.empty-hint{color:var(--text);opacity:.6;margin:0;font-size:14px}.note-card{background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:12px;padding:16px;transition:all .15s;position:relative}@media (width>=640px){.note-card{width:100%;max-width:600px;margin:0 auto}}@media (width>=1024px){.note-card{max-width:800px}}.note-card:hover{border-color:var(--accent-border);box-shadow:0 2px 8px var(--shadow);transform:translateY(-1px)}.note-card:active{box-shadow:none;transform:translateY(0)}.note-card-header{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:6px;display:flex}.note-card-title{color:var(--text-h);text-overflow:ellipsis;white-space:nowrap;flex:1;margin:0;font-size:16px;font-weight:600;overflow:hidden}.note-card-actions{flex-shrink:0;gap:2px;display:flex}.action-btn{cursor:pointer;opacity:.5;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;min-width:44px;min-height:44px;padding:8px;font-size:18px;transition:opacity .15s;display:flex}.action-btn:hover{opacity:1;background:var(--accent-bg)}.note-card-preview{color:var(--text);text-overflow:ellipsis;-webkit-line-clamp:3;word-break:break-word;-webkit-box-orient:vertical;margin-bottom:8px;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.note-card-tags{flex-wrap:wrap;gap:4px;margin-bottom:8px;display:flex}.tag{background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-border);border-radius:100px;padding:2px 8px;font-size:11px;font-weight:500}.note-card-footer{justify-content:space-between;align-items:center;display:flex}.note-card-date{color:var(--text);opacity:.6;font-size:12px}.fab{background:var(--accent);color:#fff;cursor:pointer;width:56px;height:56px;box-shadow:0 4px 16px var(--shadow);z-index:100;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:28px;font-weight:300;transition:all .2s;display:flex;position:fixed;bottom:24px;right:24px}.fab:hover{box-shadow:0 6px 24px var(--shadow);transform:scale(1.05)}.fab:active{transform:scale(.95)}@media (width>=1024px){.fab{width:64px;height:64px;bottom:32px;right:32px}}.note-editor-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;justify-content:center;align-items:stretch;display:flex;position:fixed;inset:0}@media (width>=640px){.note-editor-overlay{align-items:center;padding:24px}}.note-editor-overlay[hidden]{display:none}.note-editor{background:var(--bg);border-radius:0;flex-direction:column;width:100%;max-width:640px;max-height:100svh;display:none;overflow:hidden}@media (width>=640px){.note-editor{border-radius:12px;max-height:calc(100svh - 48px);margin:24px auto}}.note-editor-toolbar{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.btn-save{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;min-height:44px;padding:8px 16px;font-size:14px;font-weight:600;transition:opacity .15s}.btn-save:hover{opacity:.9}.btn-close{color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;min-width:44px;min-height:44px;padding:8px 12px;font-size:18px;transition:background .15s;display:flex}.btn-close:hover{background:var(--code-bg)}.note-editor-title{width:100%;color:var(--text-h);font-size:20px;font-weight:600;font-family:var(--sans);background:0 0;border:none;padding:14px 16px 8px;font-size:20px}.note-editor-title::placeholder{color:var(--text);opacity:.4}.note-editor-title:focus{outline:none}.note-editor-tags{border:none;border-bottom:1px solid var(--border);width:100%;color:var(--text);font-size:13px;font-family:var(--sans);background:0 0;padding:8px 16px}.note-editor-tags::placeholder{color:var(--text);opacity:.4}.note-editor-tags:focus{border-bottom-color:var(--accent);outline:none}.note-editor-content{width:100%;color:var(--text);font-size:16px;line-height:1.6;font-family:var(--sans);resize:none;background:0 0;border:none;flex:1;min-height:200px;padding:12px 16px;font-size:16px}.note-editor-content::placeholder{color:var(--text);opacity:.35}.note-editor-content:focus{outline:none}.note-editor-footer{border-top:1px solid var(--border);flex-shrink:0;padding:12px 16px}.btn-delete{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;width:100%;min-height:44px;padding:8px 16px;font-size:14px;transition:all .15s}.btn-delete:hover{color:#dc2626;background:#fee2e2;border-color:#fca5a5}@media (prefers-color-scheme:dark){.btn-delete:hover{color:#f87171;background:#fc98a526;border-color:#fc98a54d}}