:root{--color-bg: #ffffff;--color-surface: #ffffff;--color-surface-raised: #fafbfc;--color-text: #24292f;--color-text-subtle: #57606a;--color-text-muted: #8b949e;--color-border: #d8dee4;--color-border-light: #eaecef;--color-brand: #0969da;--color-brand-subtle: #ddf4ff;--color-brand-muted: #54aeff;--color-success: #1a7f37;--color-success-subtle: #dafbe1;--color-warning: #9a6700;--color-warning-subtle: #fff8c5;--color-danger: #cf222e;--color-danger-subtle: #ffebe9;--color-discovery: #8250df;--color-discovery-subtle: #fbefff;--font-sans: -apple-system, "Hiragino Sans", "Helvetica Neue", sans-serif;--font-mono: ui-monospace, "SF Mono", "Menlo", monospace;--radius: 10px;--radius-sm: 6px;--shadow-sm: 0 1px 2px rgba(27,31,36,.04);--shadow: 0 1px 3px rgba(27,31,36,.08), 0 1px 2px rgba(27,31,36,.06);--shadow-md: 0 4px 12px rgba(27,31,36,.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column;background:#f6f8fa}.main{flex:1;max-width:960px;width:100%;margin:0 auto;padding:32px 20px}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border-light);padding:0 20px;height:52px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}.header-left,.header-right{display:flex;align-items:center;gap:16px}.logo{font-weight:800;font-size:18px;color:var(--color-brand);text-decoration:none;letter-spacing:-.5px}.nav{display:flex;gap:4px}.nav-link{color:var(--color-text-subtle);text-decoration:none;padding:6px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .15s}.nav-link:hover{background:var(--color-brand-subtle);color:var(--color-brand)}.user-badge{font-size:13px;color:var(--color-text-muted);background:#f6f8fa;padding:4px 10px;border-radius:20px}.logout{font-size:13px;color:var(--color-text-muted)}.logout:hover{color:var(--color-danger)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;font-weight:500;font-family:var(--font-sans);cursor:pointer;background:var(--color-surface);color:var(--color-text);transition:all .15s;text-decoration:none}.btn:hover{background:#f6f8fa}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-brand);color:#fff;border-color:var(--color-brand);box-shadow:0 1px 2px #0969da33}.btn-primary:hover{background:#0860ca}.btn-secondary{background:var(--color-brand-subtle);color:var(--color-brand);border-color:transparent}.btn-secondary:hover{background:#c8e6ff}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover{background:#f6f8fa}.btn-large{padding:12px 32px;font-size:16px;border-radius:var(--radius)}.btn-tab{border:none;border-radius:0;border-bottom:2px solid transparent;background:none;color:var(--color-text-muted);padding:8px 16px}.btn-tab.active{color:var(--color-brand);border-bottom-color:var(--color-brand)}.page h2{font-size:22px;font-weight:700;margin-bottom:20px;color:var(--color-text)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.status{color:var(--color-text-muted);font-size:14px;padding:48px 0;text-align:center}.status.error{color:var(--color-danger)}.type-filter{padding:7px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:14px;font-family:var(--font-sans)}.item-list{display:flex;flex-direction:column;gap:10px}.item-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius);padding:16px 20px;cursor:pointer;transition:all .15s}.item-card:hover{box-shadow:var(--shadow);border-color:var(--color-brand-muted);transform:translateY(-1px)}.item-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.item-badges{display:flex;align-items:center;gap:6px}.item-title{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--color-text)}.item-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}.item-key-path{font-size:12px;font-family:var(--font-mono);color:var(--color-text-muted)}.item-date{font-size:12px;color:var(--color-text-muted)}.type-badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.4px}.type-client-context{background:var(--color-brand-subtle);color:var(--color-brand)}.type-knowhow{background:var(--color-success-subtle);color:var(--color-success)}.type-session-log{background:var(--color-warning-subtle);color:var(--color-warning)}.type-reference{background:var(--color-discovery-subtle);color:var(--color-discovery)}.status-badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 10px;border-radius:20px}.status-active{background:var(--color-success-subtle);color:var(--color-success)}.status-archived{background:#f6f8fa;color:var(--color-text-muted)}.tag-badge{display:inline-block;font-size:12px;font-weight:500;padding:2px 10px;border-radius:20px;background:#f0f3f6;color:var(--color-text-subtle);border:1px solid var(--color-border-light)}.meta-badges{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:20px}.meta-date{font-size:13px;color:var(--color-text-muted)}.search-bar{display:flex;gap:8px;margin-bottom:24px}.search-input{flex:1;padding:10px 16px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:15px;font-family:var(--font-sans);background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .15s,box-shadow .15s}.search-input:focus{border-color:var(--color-brand);box-shadow:0 0 0 3px #0969da1f}.search-results{display:flex;flex-direction:column;gap:12px}.result-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius);padding:16px 20px}.result-card.clickable{cursor:pointer}.result-card.clickable:hover{border-color:var(--color-brand-muted);box-shadow:var(--shadow)}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.result-source{font-size:13px;font-family:var(--font-mono);color:var(--color-brand);word-break:break-all}.result-score{font-size:12px;font-weight:500;color:var(--color-text-muted);background:#f6f8fa;padding:2px 10px;border-radius:20px}.result-snippet{font-size:14px;color:var(--color-text-subtle);line-height:1.5;white-space:pre-wrap}.view-header{display:flex;justify-content:flex-end;margin-bottom:4px}.view-actions{display:flex;gap:8px}.view-title{font-size:24px;font-weight:700;margin-bottom:4px}.view-key-path{font-size:13px;font-family:var(--font-mono);color:var(--color-text-muted);margin-bottom:16px}.view-content{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}.edit-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:8px}.edit-header h2{font-size:16px;font-family:var(--font-mono);margin-bottom:0}.edit-actions{display:flex}.edit-textarea{width:100%;min-height:60vh;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius);font-family:var(--font-mono);font-size:14px;line-height:1.7;background:var(--color-surface);color:var(--color-text);resize:vertical;outline:none;transition:border-color .15s,box-shadow .15s}.edit-textarea:focus{border-color:var(--color-brand);box-shadow:0 0 0 3px #0969da1f}.edit-preview{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius);padding:32px;min-height:60vh}.edit-footer{display:flex;gap:8px;margin-top:16px;justify-content:flex-end}.markdown-body{font-size:15px;line-height:1.8;color:var(--color-text)}.markdown-body h1{font-size:24px;margin:28px 0 12px;font-weight:700;border-bottom:1px solid var(--color-border-light);padding-bottom:8px}.markdown-body h2{font-size:20px;margin:24px 0 10px;font-weight:700;border-bottom:1px solid var(--color-border-light);padding-bottom:6px}.markdown-body h3{font-size:17px;margin:20px 0 8px;font-weight:600}.markdown-body p{margin:0 0 16px}.markdown-body ul,.markdown-body ol{margin:0 0 16px;padding-left:28px}.markdown-body li{margin-bottom:4px}.markdown-body code{background:#f0f3f6;padding:3px 7px;border-radius:4px;font-family:var(--font-mono);font-size:13px;color:#24292f}.markdown-body pre{background:#f6f8fa;padding:16px 20px;border-radius:var(--radius-sm);overflow-x:auto;margin:0 0 16px;border:1px solid var(--color-border-light)}.markdown-body pre code{background:none;padding:0;border:none}.markdown-body blockquote{border-left:4px solid var(--color-brand-muted);padding:4px 16px;color:var(--color-text-subtle);margin:0 0 16px;background:#f6f8fa;border-radius:0 var(--radius-sm) var(--radius-sm) 0}.markdown-body table{border-collapse:collapse;width:100%;margin:0 0 16px}.markdown-body th,.markdown-body td{border:1px solid var(--color-border-light);padding:10px 14px;text-align:left}.markdown-body th{background:#f6f8fa;font-weight:600}.markdown-body hr{border:none;border-top:1px solid var(--color-border-light);margin:28px 0}.markdown-body a{color:var(--color-brand)}.markdown-body a:hover{text-decoration:underline}.loading-screen,.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--color-text-muted);font-size:15px;background:#f6f8fa}.login-card{text-align:center;background:var(--color-surface);padding:56px 48px;border-radius:16px;box-shadow:var(--shadow-md);border:1px solid var(--color-border-light)}.login-card h1{font-size:28px;font-weight:800;margin-bottom:8px;color:var(--color-text)}.login-card p{color:var(--color-text-subtle);margin-bottom:28px;font-size:15px}@media(max-width:640px){.main{padding:20px 12px}.page-header{flex-direction:column;align-items:flex-start}.view-header{flex-direction:column}.edit-header{flex-direction:column;align-items:flex-start}.search-bar{flex-direction:column}.login-card{padding:36px 24px}.view-content{padding:20px 16px}}