*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #4f7cff;--primary-light: #eef1ff;--danger: #e74c3c;--success: #27ae60;--text: #1a1a2e;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f8f9fb;--card: #ffffff;--radius: 12px;--shadow: 0 2px 8px rgba(0,0,0,.08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:var(--primary);text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea,button{font-size:16px}.layout{min-height:100vh;display:flex;flex-direction:column}.nav{background:var(--card);border-bottom:1px solid var(--border);padding:0 16px;display:flex;align-items:center;gap:24px;height:56px;position:sticky;top:0;z-index:140;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.nav::-webkit-scrollbar{display:none}.nav-drawer{display:flex;align-items:center;gap:24px}.nav-brand{flex:0 0 auto;font-weight:700;font-size:16px;color:var(--primary);text-decoration:none;white-space:nowrap}.nav-link{flex:0 0 auto;color:var(--text-muted);font-size:14px;padding:4px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--primary);border-bottom-color:var(--primary)}.menu-toggle,.menu-backdrop{display:none}.main{flex:1;padding:20px 16px;max-width:900px;width:100%;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h2{font-size:20px;line-height:1.35}.page-head p{color:var(--text-muted);font-size:13px;margin-top:2px}.auth-loading{padding:40px 16px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px 16px}.login-panel{width:min(100%,360px);background:var(--card);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:24px}.login-brand{color:var(--primary);font-size:22px;font-weight:800;margin-bottom:20px}.login-panel .btn{width:100%}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.tabs{display:flex;gap:4px;background:var(--bg);border-radius:8px;padding:4px;margin-bottom:20px}.tab-btn{flex:1;padding:8px 16px;border:none;border-radius:6px;background:transparent;color:var(--text-muted);font-size:13px;font-weight:500;transition:all .15s}.tab-btn.active{background:var(--card);color:var(--primary);box-shadow:var(--shadow)}.month-nav{display:flex;align-items:center;gap:12px;margin-bottom:20px}.month-nav h2{font-size:18px;font-weight:700;min-width:120px;text-align:center}.btn-icon{background:var(--card);border:1px solid var(--border);border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:16px;transition:background .15s}.btn-icon:hover{background:var(--primary-light)}.summary-total{font-size:28px;font-weight:800;color:var(--text)}.summary-count{color:var(--text-muted);font-size:13px;margin-top:4px}.weekly-report-card{border:1px solid #dbeafe;background:linear-gradient(135deg,#fff,#f8fbff 54%,#fffaf0)}.weekly-report-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.weekly-report-label{color:var(--text);font-size:14px;font-weight:700}.weekly-report-range{color:var(--text-muted);font-size:12px;margin-top:2px}.weekly-report-pill{flex-shrink:0;border:1px solid #bfdbfe;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:11px;font-weight:700;line-height:1;padding:6px 9px;white-space:nowrap}.weekly-report-body{color:var(--text);font-size:15px;line-height:1.8}.weekly-report-body.muted{color:var(--text-muted)}.weekly-report-body.report-error{color:var(--danger)}.chart-container{position:relative;height:220px;margin:16px 0;min-width:0}.chart-container-bar{position:relative;height:160px;margin:16px 0;min-width:0}.analytics-page{width:100%}.range-select{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:12px;font-weight:600}.range-select select{min-width:92px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);font-size:13px}.analytics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}.metric-card{min-height:104px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:14px;box-shadow:var(--shadow)}.metric-card span,.metric-card small{display:block;color:var(--text-muted);font-size:12px}.metric-card strong{display:block;color:var(--text);font-size:24px;line-height:1.25;margin:8px 0 4px}.analytics-two-column{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}.section-head h3{font-size:14px;font-weight:700}.section-head span{color:var(--text-muted);font-size:12px}.model-table,.issue-list{display:flex;flex-direction:column;gap:10px}.model-row,.issue-row{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}.model-row:last-child,.issue-row:last-child{border-bottom:0}.model-row strong,.model-row span,.issue-row strong,.issue-row span{display:block}.model-row>div:last-child{text-align:right}.model-row span,.issue-row span,.empty-text{color:var(--text-muted);font-size:12px}.issue-row{align-items:flex-start}.issue-row p{max-width:48%;color:#c2410c;font-size:12px;text-align:right}.analytics-bar{height:220px}.receipt-list{list-style:none}.receipt-date-header{font-size:12px;font-weight:600;color:var(--text-muted);padding:8px 0 4px;border-bottom:1px solid var(--border);margin-bottom:8px;margin-top:16px}.receipt-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;cursor:pointer;transition:background .12s;text-decoration:none;color:inherit}.receipt-item:hover{background:var(--primary-light)}.receipt-thumb{width:48px;height:48px;border-radius:8px;object-fit:cover;background:var(--bg);border:1px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:22px;overflow:hidden}.receipt-thumb img{width:100%;height:100%;object-fit:cover}.receipt-info{flex:1;min-width:0}.receipt-title{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.receipt-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:2px}.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:500;background:var(--primary-light);color:var(--primary)}.badge-expense{background:#fef3c7;color:#d97706}.badge-review{background:#fff7ed;color:#c2410c}.tag{font-size:11px;color:var(--text-muted)}.receipt-review{color:#c2410c;font-size:12px;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.receipt-memo{color:var(--text-muted);font-size:12px;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.receipt-amount{font-weight:700;font-size:15px;white-space:nowrap}.filter-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filter-bar select{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--card);font-size:13px;color:var(--text);outline:none;cursor:pointer}.filter-bar select:focus{border-color:var(--primary)}.detail-image-button{display:block;width:100%;border:0;background:transparent;padding:0;margin-bottom:16px;cursor:zoom-in}.detail-image{width:100%;max-height:300px;object-fit:contain;border-radius:10px;background:var(--bg);display:block}.detail-image-button:focus-visible{outline:3px solid var(--primary);outline-offset:3px;border-radius:10px}.image-preview{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:56px 20px 24px;background:#0a0f1edb;cursor:zoom-out}.image-preview-img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;background:var(--card);box-shadow:0 16px 48px #00000059;cursor:default}.image-preview-close{position:fixed;top:16px;right:16px;width:40px;height:40px;border:1px solid rgba(255,255,255,.38);border-radius:999px;background:#ffffff24;color:#fff;font-size:28px;line-height:1}.image-preview-close:hover,.image-preview-close:focus-visible{background:#ffffff3d;outline:none}.detail-form{display:flex;flex-direction:column;gap:14px}.detail-form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.review-alert{background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;color:#9a3412;font-size:13px;margin-bottom:16px;padding:12px}.review-alert-title{font-weight:700;margin-bottom:4px}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label,.form-group>span{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text);background:var(--card);outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;transition:opacity .15s}.btn:hover{opacity:.85}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-danger{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.detail-actions{display:flex;gap:8px;justify-content:space-between}.loading{text-align:center;padding:40px;color:var(--text-muted)}.error{text-align:center;padding:20px;color:var(--danger);background:#fef2f2;border-radius:var(--radius)}@media (max-width: 600px){body{font-size:13px}.main{padding:12px 10px 20px}.nav{height:52px;padding:0 12px;justify-content:space-between;gap:12px;overflow:visible}.nav-brand{font-size:15px}.menu-toggle{width:40px;height:40px;flex:0 0 40px;border:1px solid var(--border);border-radius:8px;background:var(--card);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;position:relative;z-index:170}.menu-toggle span{width:18px;height:2px;border-radius:999px;background:var(--text);transition:transform .18s,opacity .18s}.menu-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-drawer{position:fixed;top:0;right:0;bottom:0;z-index:160;width:min(82vw,320px);padding:72px 16px 24px;border-left:1px solid var(--border);background:var(--card);box-shadow:-16px 0 40px #0f172a2e;display:flex;flex-direction:column;align-items:stretch;gap:6px;transform:translate(100%);transition:transform .2s ease}.nav-drawer.open{transform:translate(0)}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;display:block;width:100%;height:100%;border:0;background:#0f172a52}.nav-link{width:100%;min-height:44px;display:flex;align-items:center;border-bottom:0;border-radius:8px;color:var(--text);font-size:15px;font-weight:600;padding:10px 12px;white-space:normal}.nav-link:hover,.nav-link.active{background:var(--primary-light);border-bottom-color:transparent}.card{border-radius:10px;padding:16px;margin-bottom:12px}.tabs{margin-bottom:16px}.tab-btn{min-height:40px;padding:8px 10px;font-size:13px}.month-nav{justify-content:center;margin-bottom:16px}.month-nav h2{min-width:112px;font-size:17px}.summary-total{font-size:22px}.chart-container{height:210px}.chart-container-bar{height:180px}.weekly-report-head,.section-head{align-items:flex-start}.page-head,.analytics-two-column,.model-row,.issue-row{display:block}.page-head{margin-bottom:16px}.analytics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric-card{min-height:96px;padding:12px}.metric-card strong{font-size:20px;overflow-wrap:anywhere}.range-select{margin-top:12px;justify-content:space-between;width:100%}.range-select select,.filter-bar select{width:100%}.model-row>div:last-child,.issue-row p{max-width:none;text-align:left;margin-top:6px}.receipt-item{align-items:flex-start;gap:10px;padding:12px 4px}.receipt-thumb{width:44px;height:44px;font-size:20px}.receipt-title,.receipt-review,.receipt-memo{white-space:normal;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.receipt-title,.receipt-review,.receipt-memo{-webkit-line-clamp:2}.receipt-amount{align-self:flex-start;font-size:14px;text-align:right}.detail-image{max-height:240px}.detail-form-grid{grid-template-columns:1fr}.detail-actions{flex-direction:column}.detail-actions .btn{width:100%}.image-preview{padding:64px 10px 20px}}@media (max-width: 380px){.main{padding-left:8px;padding-right:8px}.analytics-grid{grid-template-columns:1fr}.weekly-report-head{display:block}.weekly-report-pill{display:inline-block;margin-top:8px}.receipt-item{flex-wrap:wrap}.receipt-info{flex-basis:calc(100% - 54px)}.receipt-amount{margin-left:54px;width:calc(100% - 54px);text-align:left}}