.sidebar{width:var(--sidebar-width);background:var(--color-sidebar);z-index:100;flex-direction:column;height:100vh;display:flex;position:fixed;top:0;left:0;box-shadow:2px 0 12px #0000000a}.sidebar-logo{border-bottom:1px solid var(--color-border);align-items:center;gap:12px;padding:24px 20px 20px;display:flex}.sidebar-brand{color:var(--color-primary);white-space:nowrap;font-size:18px;font-weight:700}.sidebar-logo-img{object-fit:cover;border-radius:50%;flex-shrink:0;width:48px;height:48px}.lion-face{width:40px;height:40px;position:relative}.lion-mane{background:var(--color-primary);opacity:.2;border-radius:50%;width:40px;height:40px;position:absolute;top:0;left:0}.lion-face:before{content:"";background:var(--color-primary);z-index:1;border-radius:50%;width:26px;height:26px;position:absolute;top:7px;left:7px}.lion-ear{background:var(--color-primary);z-index:0;border-radius:50%;width:10px;height:10px;position:absolute;top:2px}.lion-ear-left{left:6px}.lion-ear-right{right:6px}.lion-eye{z-index:2;background:#fff;border-radius:50%;width:5px;height:5px;position:absolute;top:14px}.lion-eye-left{left:13px}.lion-eye-right{right:13px}.lion-nose{z-index:2;background:#8d6e63;border-radius:50%;width:8px;height:5px;position:absolute;top:19px;left:50%;transform:translate(-50%)}.lion-mouth{z-index:2;border-bottom:2px solid #8d6e63;border-radius:0 0 50% 50%;width:12px;height:6px;position:absolute;top:23px;left:50%;transform:translate(-50%)}.lion-whisker{z-index:3;opacity:.6;background:#8d6e63;width:12px;height:1px;position:absolute;top:18px}.lion-whisker-l1{left:0;transform:rotate(-15deg)}.lion-whisker-l2{top:21px;left:0;transform:rotate(5deg)}.lion-whisker-r1{right:0;transform:rotate(15deg)}.lion-whisker-r2{top:21px;right:0;transform:rotate(-5deg)}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:12px;display:flex;overflow-y:auto}.nav-item{border-radius:var(--radius-md);color:var(--color-text);align-items:center;gap:10px;padding:12px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{background:var(--color-primary-light);color:var(--color-primary)}.nav-item.active{background:var(--color-primary);color:#fff}.nav-icon{text-align:center;width:20px;font-size:16px}.sidebar-footer{border-top:1px solid var(--color-border);padding:16px 20px}.sidebar-decorations{justify-content:center;gap:8px;margin-bottom:12px;font-size:12px;display:flex}.deco-star{color:var(--color-primary);opacity:.5}.deco-book{opacity:.4}.sidebar-user{justify-content:space-between;align-items:center;gap:8px;display:flex}.user-role-badge{color:var(--color-text-light);background:var(--color-bg);border-radius:var(--radius-full);padding:4px 10px;font-size:12px}.logout-btn{color:var(--color-text-light);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;background:0 0;padding:4px 10px;font-size:12px;transition:all .2s}.logout-btn:hover{color:var(--color-danger-text);border-color:var(--color-danger)}.layout{background:var(--color-bg);min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);max-width:calc(var(--content-max-width) + var(--sidebar-width));flex:1;width:100%;padding:24px}.login-page{background:var(--color-bg);flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;display:flex}.login-card{background:var(--color-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);text-align:center;width:380px;max-width:90vw;padding:40px 36px 36px}.login-illustration{text-align:center;margin-bottom:16px}.login-logo-img{object-fit:contain;width:120px;height:auto;max-height:120px}.login-title{color:var(--color-primary);margin-bottom:4px;font-size:26px;font-weight:700}.login-subtitle{color:var(--color-text-light);margin-bottom:28px;font-size:13px}.login-form{flex-direction:column;gap:12px;display:flex}.login-input{text-align:center;padding:12px 16px;font-size:15px}.login-btn{width:100%;padding:12px;font-size:15px}.login-error{color:#c62828;margin:0;font-size:13px}.login-footer{color:var(--color-text-muted);font-size:12px}.student-toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.status-filters{gap:6px;display:flex}.student-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.student-card{cursor:pointer;padding:20px;text-decoration:none;transition:all .2s;display:block}.student-card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.student-name{color:var(--color-text);font-size:16px;font-weight:700}.student-card-info{color:var(--color-text-light);gap:6px;margin-bottom:12px;font-size:13px;display:flex}.student-card-subjects{flex-wrap:wrap;gap:6px;min-height:24px;margin-bottom:12px;display:flex}.subject-tag{background:var(--color-primary-light);color:var(--color-primary-hover);border-radius:var(--radius-full);padding:3px 10px;font-size:12px;font-weight:500;display:inline-block}.student-card-footer{color:var(--color-text-muted);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding-top:10px;font-size:12px;display:flex}.modal-overlay{z-index:999;background:#0000004d;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{width:480px;max-width:90vw;max-height:90vh;overflow-y:auto}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-label{color:var(--color-text-light);flex-direction:column;gap:4px;font-size:13px;font-weight:600;display:flex}.form-label .input,.form-label .select{font-weight:400}.dot-muted{background:var(--color-text-muted)}.confirm-card{text-align:center;width:360px;max-width:90vw;padding:32px 28px 24px}.confirm-icon{color:#c62828;background:#ffebee;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 16px;font-size:24px;font-weight:700;display:flex}.confirm-message{color:var(--color-text);margin-bottom:24px;font-size:14px;line-height:1.6}.confirm-actions{justify-content:center;gap:12px;display:flex}.back-link{color:var(--color-primary);margin-bottom:8px;font-size:13px;text-decoration:none;display:inline-block}.back-link:hover{text-decoration:underline}.tab-bar{background:var(--color-card);border-radius:var(--radius-md);box-shadow:var(--shadow-card);gap:4px;width:fit-content;margin:20px 0;padding:4px;display:flex}.tab-btn{border-radius:var(--radius-sm);color:var(--color-text-light);cursor:pointer;background:0 0;border:none;padding:10px 24px;font-family:inherit;font-size:14px;font-weight:600;transition:all .2s}.tab-btn:hover{color:var(--color-primary)}.tab-btn.active{background:var(--color-primary);color:#fff}.info-grid{border-top:1px solid var(--color-border);border-left:1px solid var(--color-border);grid-template-columns:1fr 1fr;gap:0;display:grid}.info-item{border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);flex-direction:column;padding:6px 10px;display:flex}.info-label{color:var(--color-text-muted);margin-bottom:2px;font-size:11px}.info-value{color:var(--color-text);font-size:13px;font-weight:500}.account-cards{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:16px;display:grid}.account-card-item{text-align:center;padding:20px 16px}.account-subject{color:var(--color-text-light);margin-bottom:4px;font-size:13px}.account-type{color:var(--color-text-muted);margin-bottom:8px;font-size:11px}.account-balance{color:var(--color-success);font-size:28px;font-weight:700}.account-balance.warning{color:var(--color-warning-text)}.account-balance.danger{color:var(--color-danger-text)}.schedule-table th,.schedule-table td{border:1px solid var(--color-border);vertical-align:middle}.schedule-table th{background:var(--color-primary-light);text-align:center}.time-slot-cell{background:var(--color-bg);min-width:110px;font-size:13px;font-weight:600}.schedule-cell{text-align:center;min-width:100px;min-height:44px;font-size:13px;transition:background .15s}.schedule-cell.editable{cursor:pointer}.schedule-cell.editable:hover{background:var(--color-primary-light)}:root{--color-primary:#f4a460;--color-primary-hover:#e8963a;--color-primary-light:#fff0e0;--color-bg:#fff8e7;--color-card:#fff;--color-sidebar:#fff;--color-text:#5d4037;--color-text-light:#8d6e63;--color-text-muted:#bcaaa4;--color-border:#efebe0;--color-success:#81c784;--color-danger:#ef9a9a;--color-warning:#ffcc80;--color-danger-text:#c62828;--color-warning-text:#e65100;--radius-sm:8px;--radius-md:10px;--radius-lg:12px;--radius-xl:16px;--radius-full:20px;--shadow-card:0 2px 12px #0000000f;--shadow-card-hover:0 4px 20px #0000001a;--shadow-btn:0 2px 8px #f4a4604d;--sidebar-width:220px;--content-max-width:1200px}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 24px;font-family:inherit;font-size:14px;font-weight:600;line-height:1.4;transition:all .2s;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-btn)}.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 14px #f4a46066}.btn-secondary{color:var(--color-primary);border:1.5px solid var(--color-primary);background:#fff}.btn-secondary:hover{background:var(--color-primary-light)}.btn-sm{border-radius:var(--radius-sm);padding:6px 14px;font-size:12px}.btn-danger{background:var(--color-danger);color:var(--color-danger-text)}.btn-danger:hover{opacity:.85}.card{background:var(--color-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:24px}.card-hover:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.input{border:1.5px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text);background:#fff;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s}.input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #f4a46026}.input::placeholder{color:var(--color-text-muted)}.select{border:1.5px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text);cursor:pointer;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238D6E63' d='M6 8L1 3h10z'/%3E%3C/svg%3E") right 12px center no-repeat;padding:10px 32px 10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s}.select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #f4a46026}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:12px 16px}th{color:var(--color-text-light);white-space:nowrap;font-size:13px;font-weight:600}td{color:var(--color-text)}tr:hover td{background:var(--color-bg)}.badge{border-radius:var(--radius-full);align-items:center;padding:4px 12px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{color:#2e7d32;background:#e8f5e9}.badge-danger{color:#c62828;background:#ffebee}.badge-warning{color:#e65100;background:#fff3e0}.badge-muted{color:#757575;background:#f5f5f5}.dot{border-radius:50%;width:10px;height:10px;display:inline-block}.dot-danger{background:var(--color-danger)}.dot-warning{background:var(--color-warning)}.dot-success{background:var(--color-success)}.page-title{color:var(--color-text);margin-bottom:4px;font-size:22px;font-weight:700}.page-subtitle{color:var(--color-text-light);margin-bottom:24px;font-size:13px}.toast{border-radius:var(--radius-md);color:#fff;z-index:9999;padding:12px 24px;font-size:14px;font-weight:600;animation:.3s toastIn;position:fixed;top:24px;right:24px}.toast-success{background:var(--color-success);color:#1b5e20}.toast-error{background:var(--color-danger);color:#c62828}@keyframes toastIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Microsoft YaHei,PingFang SC,Helvetica Neue,sans-serif;font-size:14px}