@import"https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Noto+Sans+TC:wght@400;500;600;700&display=swap";:root{--bg: #faf8f5;--bg-card: #ffffff;--sidebar-bg: #161b2c;--sidebar-text: #8892ab;--sidebar-active: #e8b84b;--accent: #c8822a;--accent-hover: #a86820;--teal: #0d6e68;--teal-hover: #0a5754;--danger: #dc2626;--text: #1c1f2e;--text-muted: #6b7280;--border: #e5ddd0;--border-focus: #c8822a;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 20px rgba(0, 0, 0, .09);--radius: 14px;--radius-sm: 8px}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans TC,Segoe UI,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr}.sidebar{background:var(--sidebar-bg);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-header{padding:30px 24px 22px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-brand{font-family:"DM Serif Display",Noto Sans TC,sans-serif;font-size:21px;color:#fff;margin:0 0 5px;letter-spacing:.01em;line-height:1.2}.sidebar-sub{font-size:10.5px;color:#6a7a9b;letter-spacing:.12em;text-transform:uppercase;font-weight:600}.sidebar nav{padding:16px 12px;flex:1}.nav{display:flex;align-items:center;gap:10px;color:var(--sidebar-text);text-decoration:none;padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .15s;margin-bottom:2px}.nav-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}.nav:hover{background:#ffffff12;color:#fff}.nav.active{background:#e8b84b21;color:var(--sidebar-active);font-weight:600}.content{padding:40px 48px}.page-header{margin-bottom:28px}.page-header h1{font-family:"DM Serif Display",serif;font-size:30px;margin:0 0 5px;color:var(--text);letter-spacing:-.01em;font-weight:400}.page-header p{color:var(--text-muted);margin:0;font-size:14px}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;margin-bottom:20px;box-shadow:var(--shadow-sm)}.panel h2{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#aaa;margin:0 0 20px;padding-bottom:12px;border-bottom:1px solid #f0ece6}.form-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:start}.field{display:flex;flex-direction:column;gap:5px}.field>label{font-size:11.5px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em}.field .hint{font-size:11px;color:#7c8599;margin-top:3px}.required-star{color:#e05252;margin-left:2px}input,select{font:inherit;font-size:14px;padding:10px 13px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text);transition:border-color .15s,box-shadow .15s;outline:none;width:100%}input:focus,select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #c8822a1a}input::placeholder{color:#c8c0b8;font-size:13px}select{cursor:pointer}button{font:inherit;font-size:14px;font-weight:600;padding:10px 22px;background:var(--teal);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s,transform .1s;white-space:nowrap}button:hover{background:var(--teal-hover)}button:active{transform:scale(.98)}button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}button:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.btn-danger{background:var(--danger)!important}.btn-danger:hover{background:#b91c1c!important}.btn-sm{padding:5px 13px;font-size:12px}.table{width:100%;border-collapse:collapse;margin-top:4px;font-size:14px}.table th{text-align:left;padding:9px 13px;font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#b0b8c4;border-bottom:2px solid #f0ece6}.table td{padding:13px;border-bottom:1px solid #f5f1ec;vertical-align:middle;color:var(--text)}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover td{background:#fdf9f4}.inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.filter-row{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.filter-row label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);font-weight:500}.filter-row select{width:auto;min-width:130px;padding:7px 11px;font-size:13px}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}.badge.present,.badge.open,.badge.active{background:#d1fae5;color:#065f46}.badge.absent,.badge.used,.badge.inactive{background:#fee2e2;color:#991b1b}.badge.makeup{background:#dbeafe;color:#1e40af}.badge.late{background:#fef9c3;color:#854d0e}.badge.leave{background:#fef3c7;color:#92400e}.badge.teacher_cancel,.badge.pending,.badge.void,.badge.expired{background:#f3f4f6;color:#4b5563}.badge.warning{background:#fef3c7;color:#92400e}.badge.expiring{background:#ffedd5;color:#9a3412}.toast{position:fixed;top:20px;right:20px;z-index:400;padding:12px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;box-shadow:var(--shadow-md);max-width:360px;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.toast.success{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46}.toast.error{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}.card-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card-link{display:flex;flex-direction:column;gap:14px;background:var(--bg-card);padding:30px 26px;border:1.5px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden}.card-link:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.card-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d0c8be}.card-link:hover:after{transform:scaleX(1)}@media (prefers-reduced-motion: reduce){.card-link,.card-link:after{transition:none}.card-link:hover{transform:none}@keyframes toast-in{0%{opacity:1;transform:none}}}.card-icon{font-size:32px;line-height:1}.card-title{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.01em}.card-desc{font-size:13px;color:var(--text-muted);line-height:1.6}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:20px}.result-item{background:var(--bg);border-radius:var(--radius-sm);padding:18px 16px;border:1px solid var(--border)}.result-label{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}.result-value{font-size:26px;font-weight:700;color:var(--text);font-feature-settings:"tnum";letter-spacing:-.02em}.result-value.small{font-size:15px;font-weight:600;letter-spacing:0}.action-bar{display:flex;gap:10px;align-items:center;margin-bottom:20px}.clickable-row{cursor:pointer}.table.compact th,.table.compact td{padding-top:10px;padding-bottom:10px}.expanded-panel{padding:8px 4px}.guest-panel{margin-top:14px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fffaf2}.student-avatar{width:40px;height:40px;border-radius:999px;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;background:#ede7dc;color:#7a5d3a;font-weight:700}.student-avatar.small{width:36px;height:36px}.student-avatar-large{width:120px;height:120px;border-radius:999px;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;background:#ede7dc;color:#7a5d3a;font-size:40px;font-weight:700}.student-avatar.placeholder,.student-avatar-large.placeholder{border:1px dashed #d4c7b3}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#161b2c8c;display:flex;align-items:center;justify-content:center;padding:20px;z-index:200}.modal-card{width:min(960px,100%);max-height:90vh;overflow:auto;background:var(--bg-card);border-radius:20px;box-shadow:0 20px 60px #00000038;padding:24px}.modal-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px}.modal-header h2{margin:0 0 6px;font-family:"DM Serif Display",serif;font-size:28px;font-weight:400}.modal-header p{margin:0;color:var(--text-muted);font-size:14px}.student-detail-grid{display:grid;grid-template-columns:180px 1fr;gap:24px;margin-bottom:20px}.student-avatar-panel{display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:flex-start}.avatar-upload-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;border-radius:var(--radius-sm);background:var(--teal);color:#fff;font-size:13px;font-weight:600;cursor:pointer}.student-info-panel{border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;background:#fffcf8}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}.detail-item{display:flex;flex-direction:column;gap:4px}.detail-item span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.detail-item strong{font-size:15px;color:var(--text)}@media (max-width: 900px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;height:auto;flex-direction:row;overflow-x:auto;z-index:100}.sidebar-header{padding:12px 20px;border-bottom:none;border-right:1px solid rgba(255,255,255,.06);white-space:nowrap;display:flex;flex-direction:column;justify-content:center}.sidebar-sub{display:none}.sidebar nav{padding:8px 10px;display:flex;gap:4px;flex-wrap:nowrap;overflow-x:auto}.nav{white-space:nowrap;margin-bottom:0}.content{padding:20px 16px}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.card-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.student-detail-grid{grid-template-columns:1fr}.modal-card{padding:18px}}.btn-kebab{background:transparent;border:none;padding:4px 8px;font-size:18px;line-height:1;color:#9ca3af;cursor:pointer;border-radius:6px;transition:background .15s}.btn-kebab:hover{background:#00000012;color:#6b7280}