:root{--primary: #1e6fb5;--primary-hover: #155a94;--primary-light: #dbeafe;--primary-subtle: #eff6ff;--primary-text: #1d4ed8;--success: #16a34a;--success-bg: #dcfce7;--success-border: #86efac;--success-text: #15803d;--error: #dc2626;--error-bg: #fef2f2;--error-border: #fca5a5;--error-text: #b91c1c;--bg: #f1f5f9;--surface: #ffffff;--surface-raised: #f8fafc;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-placeholder: #94a3b8;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--r-sm: 6px;--r-md: 10px;--r-lg: 14px;--r-xl: 20px;--r-full: 9999px;--shadow-xs: 0 1px 2px rgba(15,23,42,.06);--shadow-sm: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);--shadow-md: 0 4px 12px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);--shadow-lg: 0 8px 24px rgba(15,23,42,.1), 0 4px 8px rgba(15,23,42,.05);--t: all .18s ease;--t-slow: all .28s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text)}p{color:var(--text-secondary);line-height:1.7}code{font-family:Cascadia Code,JetBrains Mono,Fira Code,Consolas,Courier New,monospace;font-size:.875em;background:var(--primary-subtle);color:var(--primary-text);padding:1px 6px;border-radius:4px;font-weight:500}button{cursor:pointer;font-family:inherit}input{font-family:inherit}#root{min-height:100vh;display:flex;flex-direction:column}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.app-header{background:var(--surface);border-bottom:1.5px solid var(--border);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.app-header-inner{max-width:1120px;margin:0 auto;padding:0 var(--sp-8);height:70px;display:flex;align-items:center;justify-content:space-between}.app-logo{display:flex;align-items:center;gap:var(--sp-4)}.app-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,#1e6fb5,#1558a0);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #1e6fb559;flex-shrink:0}.app-title{font-size:1.125rem;font-weight:700;color:var(--text);letter-spacing:-.01em;line-height:1.2}.app-subtitle{font-size:.72rem;color:var(--text-muted);margin-top:2px;font-weight:400;line-height:1}.app-header-right{display:flex;align-items:center;gap:var(--sp-2)}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-full);font-size:.72rem;font-weight:700;letter-spacing:.05em}.badge--osm{background:var(--primary);color:#fff}.badge--gsoc{background:#fbbc04;color:#1a1a1a}.app-main{flex:1;padding:var(--sp-10) var(--sp-8)}.app-container{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:var(--sp-6)}.intro-banner{background:linear-gradient(135deg,var(--primary-subtle) 0%,#eff6ff 100%);border:1.5px solid var(--primary-light);border-radius:var(--r-lg);padding:var(--sp-5) var(--sp-8);display:flex;align-items:center;gap:var(--sp-4)}.intro-banner-icon{font-size:1.75rem;flex-shrink:0}.intro-banner p{color:var(--primary-text);font-size:.9375rem;font-weight:450;line-height:1.6}.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-6);align-items:start}.card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden}.card-header{padding:var(--sp-4) var(--sp-6);border-bottom:1px solid var(--border);background:var(--surface-raised);display:flex;align-items:center;gap:var(--sp-3)}.card-header-icon{width:36px;height:36px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.card-header-icon--blue{background:var(--primary-subtle);color:var(--primary)}.card-header-icon--green{background:var(--success-bg);color:var(--success)}.card-header-title{font-size:.9375rem;font-weight:700;color:var(--text);line-height:1.2}.card-header-subtitle{font-size:.75rem;font-weight:400;color:var(--text-muted);margin-top:2px;line-height:1}.card-body{padding:var(--sp-6)}.form-group{display:flex;flex-direction:column;gap:var(--sp-2)}.form-label{font-size:.75rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}.input-row{display:flex;gap:var(--sp-2)}.text-input{flex:1;padding:10px 14px;font-size:.9375rem;border:1.5px solid var(--border-strong);border-radius:var(--r-sm);background:var(--surface);color:var(--text);outline:none;transition:var(--t)}.text-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1e6fb51f}.text-input::placeholder{color:var(--text-placeholder)}.btn{display:inline-flex;align-items:center;gap:var(--sp-2);padding:10px 20px;font-size:.9375rem;font-weight:600;border-radius:var(--r-sm);border:none;transition:var(--t);white-space:nowrap;line-height:1}.btn--primary{background:var(--primary);color:#fff}.btn--primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #1e6fb559}.btn--primary:active{transform:translateY(0)}.btn--success{background:var(--success);color:#fff}.btn--success:hover{background:var(--success-text);transform:translateY(-1px);box-shadow:0 4px 12px #16a34a4d}.examples-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2);margin-top:var(--sp-3)}.examples-label{font-size:.72rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;flex-shrink:0}.example-chip{padding:4px 11px;background:var(--surface-raised);border:1px solid var(--border-strong);border-radius:var(--r-full);font-size:.78rem;font-weight:500;color:var(--text-secondary);font-family:Cascadia Code,Fira Code,Consolas,monospace;transition:var(--t);cursor:pointer}.example-chip:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-text)}.parse-result{margin-top:var(--sp-4);border-radius:var(--r-md);overflow:hidden;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.parse-result--valid{border:1.5px solid var(--success-border);background:var(--success-bg)}.parse-result--invalid{border:1.5px solid var(--error-border);background:var(--error-bg)}.parse-result-inner{padding:var(--sp-4) var(--sp-5)}.result-top-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--sp-2);margin-bottom:var(--sp-3)}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-full);font-size:.8125rem;font-weight:600;line-height:1}.status-badge--open{background:var(--success);color:#fff}.status-badge--closed{background:#475569;color:#fff}.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.85;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}}.valid-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--r-full);font-size:.75rem;font-weight:700;background:#16a34a1f;color:var(--success-text);border:1px solid rgba(22,163,74,.25)}.next-change-row{display:flex;align-items:center;gap:var(--sp-2);font-size:.8125rem}.next-change-label{color:var(--success-text);font-weight:500}.next-change-value{color:var(--text);font-weight:600}.error-row{display:flex;align-items:flex-start;gap:var(--sp-3)}.error-icon{font-size:1.1rem;color:var(--error);flex-shrink:0;margin-top:1px}.error-message{font-size:.875rem;color:var(--error-text);font-weight:500;line-height:1.5}.weekly-schedule{margin-top:var(--sp-5)}.weekly-schedule-title{font-size:.72rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--sp-3)}.weekly-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--sp-2)}.day-card{border-radius:var(--r-md);padding:var(--sp-3) var(--sp-2);text-align:center;border:1.5px solid transparent;transition:var(--t)}.day-card--open{background:var(--success-bg);border-color:var(--success-border)}.day-card--closed{background:var(--surface-raised);border-color:var(--border)}.day-name{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:var(--sp-1)}.day-card--open .day-name{color:var(--success-text)}.day-card--closed .day-name{color:var(--text-muted)}.day-hours{font-size:.72rem;font-weight:500;line-height:1.4}.day-card--open .day-hours{color:var(--text-secondary)}.day-card--closed .day-hours{color:var(--text-muted);font-style:italic}.schedule-editor-body{display:flex;flex-direction:column;gap:var(--sp-4)}.presets-row{display:flex;flex-wrap:wrap;gap:var(--sp-2);padding-bottom:var(--sp-4);border-bottom:1px solid var(--border)}.preset-btn{padding:6px 14px;background:var(--primary-subtle);color:var(--primary-text);border:1.5px solid var(--primary-light);border-radius:var(--r-full);font-size:.8125rem;font-weight:600;font-family:inherit;transition:var(--t);cursor:pointer}.preset-btn:hover{background:var(--primary-light);border-color:var(--primary)}.days-list{display:flex;flex-direction:column;gap:var(--sp-2)}.day-row{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);border-radius:var(--r-md);border:1.5px solid var(--border);background:var(--surface-raised);transition:var(--t)}.day-row:hover{border-color:var(--border-strong);background:var(--surface)}.day-row--active{border-color:var(--primary-light);background:var(--primary-subtle)}.toggle{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle-track{position:absolute;cursor:pointer;inset:0;background:var(--border-strong);border-radius:var(--r-full);transition:var(--t)}.toggle-track:before{content:"";position:absolute;height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:var(--t);box-shadow:var(--shadow-xs)}.toggle input:checked+.toggle-track{background:var(--primary)}.toggle input:checked+.toggle-track:before{transform:translate(18px)}.toggle input:focus-visible+.toggle-track{outline:2px solid var(--primary);outline-offset:2px}.day-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);width:96px;flex-shrink:0}.day-row--active .day-label{color:var(--text)}.day-abbr{font-size:.7rem;color:var(--text-muted);margin-left:4px;font-weight:400}.time-inputs{display:flex;align-items:center;gap:var(--sp-2);flex:1}.time-input{padding:6px 10px;font-size:.875rem;border:1.5px solid var(--border-strong);border-radius:var(--r-sm);background:var(--surface);color:var(--text);outline:none;transition:var(--t);font-family:inherit}.time-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1e6fb51f}.time-separator{font-size:.8rem;color:var(--text-muted);font-weight:700;flex-shrink:0}.closed-label{font-size:.8125rem;color:var(--text-muted);font-style:italic;flex:1}.schedule-actions{display:flex;gap:var(--sp-3);padding-top:var(--sp-4);border-top:1px solid var(--border);flex-wrap:wrap}.generated-output{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden;animation:slideUp .32s cubic-bezier(.16,1,.3,1)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.generated-output-top{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) var(--sp-6);border-bottom:1px solid var(--border);background:linear-gradient(135deg,var(--success-bg),#f0fdf4);flex-wrap:wrap;gap:var(--sp-3)}.generated-output-info{display:flex;align-items:center;gap:var(--sp-3)}.generated-check-icon{width:32px;height:32px;border-radius:50%;background:var(--success);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;flex-shrink:0}.generated-title{font-size:.9375rem;font-weight:700;color:var(--text);line-height:1.2}.generated-desc{font-size:.75rem;font-weight:400;color:var(--text-muted);margin-top:2px}.copy-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border:none;border-radius:var(--r-sm);font-size:.875rem;font-weight:600;font-family:inherit;background:var(--primary);color:#fff;cursor:pointer;transition:var(--t);flex-shrink:0}.copy-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.copy-btn--copied{background:var(--success)}.generated-tag-box{padding:var(--sp-5) var(--sp-6);display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}.tag-key{font-family:Cascadia Code,Fira Code,Consolas,monospace;font-size:.9375rem;font-weight:600;color:var(--primary-text);background:var(--primary-light);padding:6px 14px;border-radius:var(--r-sm);border:1px solid rgba(30,111,181,.15)}.tag-eq{font-size:1.1rem;font-weight:700;color:var(--text-muted);line-height:1}.tag-value{font-family:Cascadia Code,Fira Code,Consolas,monospace;font-size:.9375rem;font-weight:500;background:var(--surface-raised);color:var(--text);padding:6px 16px;border-radius:var(--r-sm);border:1.5px solid var(--border-strong)}.app-footer{text-align:center;padding:var(--sp-5);border-top:1px solid var(--border);background:var(--surface)}.app-footer p{font-size:.75rem;color:var(--text-muted)}@media(max-width:860px){.app-grid{grid-template-columns:1fr}.app-main{padding:var(--sp-6) var(--sp-4)}.app-header-inner{padding:0 var(--sp-4)}.weekly-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:480px){.time-inputs{flex-direction:column;align-items:flex-start;gap:var(--sp-1)}.day-row{flex-wrap:wrap}.weekly-grid{grid-template-columns:repeat(3,1fr)}}.timeline{position:relative;height:8px;background:#e5e7eb;border-radius:6px;margin:6px 0;overflow:hidden}.time-bar{position:absolute;height:100%;background:#2563eb;border-radius:6px}.day-card{padding:12px;border-radius:10px;background:#fff;border:1px solid #e5e7eb}.day-name{font-weight:600}.day-hours{font-size:13px;color:#374151}.day-card--closed .timeline{background:#f3f4f6}