.admin-layout[data-v-363f52cb]{display:flex;min-height:100vh;background:var(--color-bg)}.sidebar[data-v-363f52cb]{width:220px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo[data-v-363f52cb]{padding:20px;border-bottom:1px solid var(--color-border)}.logo-text[data-v-363f52cb]{font-size:16px;font-weight:var(--font-weight-semi);color:var(--color-text-primary)}.sidebar-nav[data-v-363f52cb]{padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xs);flex:1}.nav-item[data-v-363f52cb]{display:flex;align-items:center;gap:var(--spacing-sm);padding:10px var(--spacing-sm);border-radius:var(--radius-sm);color:var(--color-text-secondary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);transition:all .15s ease;height:44px}.nav-item[data-v-363f52cb]:hover{background:var(--color-bg);color:var(--color-text-primary)}.nav-item.active[data-v-363f52cb]{background:var(--color-primary-light);color:var(--color-primary)}.nav-icon[data-v-363f52cb]{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.main-content[data-v-363f52cb]{flex:1;padding:var(--spacing-lg);overflow-y:auto}.teacher-layout[data-v-3f1c830d]{display:flex;min-height:100vh;background:var(--color-bg)}.sidebar[data-v-3f1c830d]{width:220px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo[data-v-3f1c830d]{padding:20px;border-bottom:1px solid var(--color-border)}.logo-text[data-v-3f1c830d]{font-size:16px;font-weight:var(--font-weight-semi);color:var(--color-text-primary)}.sidebar-nav[data-v-3f1c830d]{padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xs);flex:1}.nav-item[data-v-3f1c830d]{display:flex;align-items:center;gap:var(--spacing-sm);padding:10px var(--spacing-sm);border-radius:var(--radius-sm);color:var(--color-text-secondary);font-size:var(--font-size-body);font-weight:var(--font-weight-medium);transition:all .15s ease;height:44px}.nav-item[data-v-3f1c830d]:hover{background:var(--color-bg);color:var(--color-text-primary)}.nav-item.active[data-v-3f1c830d]{background:var(--color-primary-light);color:var(--color-primary)}.nav-icon[data-v-3f1c830d]{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.main-content[data-v-3f1c830d]{flex:1;padding:var(--spacing-lg);overflow-y:auto}:root{--color-primary: #4A8FD9;--color-primary-dark: #3873B5;--color-primary-light: #E8F0FF;--color-accent: #FF8C42;--color-accent-light: #FFEDDE;--color-success: #4DB04F;--color-success-light: #E8F7E8;--color-warning: #FFA626;--color-error: #F0544F;--color-bg: #F5F7FA;--color-surface: #FFFFFF;--color-text-primary: #1A1A2E;--color-text-secondary: #7A8794;--color-text-tertiary: #ABB5C2;--color-border: #E3E8EB;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-title: 18px;--font-size-subtitle: 16px;--font-size-body: 14px;--font-size-caption: 13px;--font-size-small: 12px;--font-size-tag: 10px;--font-weight-bold: 700;--font-weight-semi: 600;--font-weight-medium: 500;--font-weight-regular: 400;--spacing-xl: 32px;--spacing-lg: 24px;--spacing-md: 16px;--spacing-sm: 12px;--spacing-xs: 8px;--radius-xl: 24px;--radius-lg: 20px;--radius-md: 16px;--radius-sm: 12px;--radius-pill: 36px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{font-family:var(--font-family);font-size:var(--font-size-body);color:var(--color-text-primary);background:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{width:100%;min-height:100vh}a{color:var(--color-primary);text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.tp-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:999;display:flex;align-items:center;justify-content:center;background:#00000073;padding:24px}.tp-dialog{background:#fff;border-radius:20px;width:90%;max-width:520px;max-height:calc(100vh - 48px);box-shadow:0 12px 40px #0000002e;display:flex;flex-direction:column;overflow:hidden;animation:tpFadeIn .2s ease}.tp-dialog--lg{max-width:720px}.tp-dialog--sm{max-width:380px}.tp-dialog__header{flex-shrink:0;display:flex;justify-content:space-between;align-items:center;padding:24px 24px 0}.tp-dialog__title{font-size:18px;font-weight:700;color:var(--color-text-primary, #1A1A2E);margin:0}.tp-dialog__close{border:none;background:none;font-size:24px;color:var(--color-text-secondary, #7A8794);cursor:pointer;padding:0;line-height:1;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:background .15s}.tp-dialog__close:hover{background:var(--color-bg, #F5F7FA)}.tp-dialog__body{flex:1;overflow-y:auto;padding:20px 24px;scrollbar-width:thin;scrollbar-color:var(--color-border, #E3E8EB) transparent}.tp-dialog__footer{flex-shrink:0;display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--color-border, #E3E8EB);background:#fff}@keyframes tpFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.tp-dialog .btn-primary{height:40px;padding:0 20px;border:none;border-radius:12px;background:var(--color-primary, #4A8FD9);color:#fff;font-size:14px;font-weight:600;font-family:Inter,sans-serif;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:opacity .2s;white-space:nowrap}.tp-dialog .btn-primary:hover{opacity:.9}.tp-dialog .btn-primary:disabled{opacity:.5;cursor:not-allowed}.tp-dialog .btn-cancel{height:38px;padding:0 20px;border:1px solid var(--color-border, #E3E8EB);border-radius:12px;background:var(--color-surface, #fff);color:var(--color-text-secondary, #7A8794);font-size:14px;font-weight:500;cursor:pointer;font-family:Inter,sans-serif}.tp-dialog .btn-cancel:hover{background:var(--color-bg, #F5F7FA)}.tp-dialog .btn-danger{height:38px;padding:0 20px;border:none;border-radius:12px;background:var(--color-error, #F0544F);color:#fff;font-size:14px;font-weight:600;cursor:pointer;font-family:Inter,sans-serif;transition:opacity .2s}.tp-dialog .btn-danger:hover{opacity:.9}.tp-dialog .btn-ghost{height:38px;padding:0 20px;border:1px solid var(--color-border, #E3E8EB);border-radius:12px;background:transparent;color:var(--color-text-secondary, #7A8794);font-size:14px;font-weight:500;cursor:pointer;font-family:Inter,sans-serif}.tp-dialog .btn-ghost:hover{background:var(--color-bg, #F5F7FA)}.tp-dialog .btn-secondary{height:38px;padding:0 20px;border:1px solid var(--color-border, #E3E8EB);border-radius:12px;background:var(--color-surface, #fff);color:var(--color-text-secondary, #7A8794);font-size:14px;font-weight:500;cursor:pointer;font-family:Inter,sans-serif}.tp-dialog .form-input{height:40px;padding:0 12px;border:1px solid var(--color-border, #E3E8EB);border-radius:10px;font-size:14px;font-family:Inter,sans-serif;color:var(--color-text-primary, #1A1A2E);background:var(--color-surface, #fff);outline:none;transition:border-color .2s}.tp-dialog .form-input:focus{border-color:var(--color-primary, #4A8FD9)}.tp-dialog .form-textarea{width:100%;padding:10px 12px;border:1px solid var(--color-border, #E3E8EB);border-radius:10px;font-size:14px;font-family:Inter,sans-serif;color:var(--color-text-primary, #1A1A2E);background:var(--color-surface, #fff);outline:none;resize:vertical;transition:border-color .2s;min-height:80px}.tp-dialog .form-textarea:focus{border-color:var(--color-primary, #4A8FD9)}.tp-dialog .dropzone{border:2px dashed var(--color-border, #E3E8EB);border-radius:14px;padding:32px 20px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:18px}.tp-dialog .dropzone:hover,.tp-dialog .dropzone.dragover{border-color:var(--color-primary, #4A8FD9);background:var(--color-primary-light, #E8F0FF)}.tp-dialog .dropzone.dragover{background:#edf4ff}.tp-dialog .dropzone.has-file{border-style:solid}.tp-dialog .dropzone svg{color:var(--color-text-secondary, #7A8794);margin-bottom:8px}.tp-dialog .drop-text{font-size:14px;color:var(--color-text-secondary, #7A8794);margin:0 0 4px}.tp-dialog .drop-hint{font-size:12px;color:var(--color-text-secondary, #7A8794);margin:0;opacity:.6}.tp-dialog .link{color:var(--color-primary, #4A8FD9)}.tp-dialog .file-hidden{display:none}.tp-dialog .file-preview{display:flex;align-items:center;gap:14px;text-align:left}.tp-dialog .file-icon{font-size:36px}.tp-dialog .file-name{font-size:14px;font-weight:500;color:var(--color-text-primary, #1A1A2E);margin:0 0 2px}.tp-dialog .file-size{font-size:12px;color:var(--color-text-secondary, #7A8794);margin:0}.tp-dialog .file-remove{margin-left:auto;border:none;background:#fee2e2;color:var(--color-error, #F0544F);width:28px;height:28px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}.tp-dialog .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tp-dialog .form-group{display:flex;flex-direction:column;gap:6px}.tp-dialog .form-group label{font-size:12px;font-weight:600;color:var(--color-text-secondary, #7A8794)}.tp-dialog .form-group input,.tp-dialog .form-group select{height:40px;padding:0 12px;border:1px solid var(--color-border, #E3E8EB);border-radius:10px;font-size:14px;font-family:Inter,sans-serif;color:var(--color-text-primary, #1A1A2E);background:var(--color-surface, #fff);outline:none;transition:border-color .2s}.tp-dialog .form-group input:focus,.tp-dialog .form-group select:focus{border-color:var(--color-primary, #4A8FD9)}.tp-dialog .progress-area{display:flex;align-items:center;gap:12px;margin-top:16px}.tp-dialog .progress-bar{flex:1;height:8px;border-radius:4px;background:var(--color-border, #E3E8EB);overflow:hidden}.tp-dialog .progress-fill{height:100%;border-radius:4px;background:var(--color-primary, #4A8FD9);transition:width .3s}.tp-dialog .progress-text{font-size:13px;font-weight:600;color:var(--color-primary, #4A8FD9);min-width:36px;text-align:right}.tp-dialog .batch-zone{margin-bottom:0}.tp-dialog .batch-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}.tp-dialog .batch-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--color-bg, #F5F7FA);border-radius:10px;flex-wrap:wrap}.tp-dialog .batch-file-info{display:flex;align-items:center;gap:8px;min-width:200px;flex:1}.tp-dialog .batch-icon{font-size:20px}.tp-dialog .batch-name{font-size:13px;font-weight:500;color:var(--color-text-primary, #1A1A2E);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tp-dialog .batch-size{font-size:11px;color:var(--color-text-secondary, #7A8794);flex-shrink:0}.tp-dialog .batch-config{display:flex;gap:6px}.tp-dialog .batch-config select{height:30px;padding:0 8px;border:1px solid var(--color-border, #E3E8EB);border-radius:6px;font-size:12px;font-family:Inter,sans-serif;color:var(--color-text-primary, #1A1A2E);background:var(--color-surface, #fff)}.tp-dialog .batch-progress{width:120px}.tp-dialog .batch-ok{color:#4db04f;font-size:16px;font-weight:700}.tp-dialog .batch-fail{color:#f0544f;font-size:16px;font-weight:700}.tp-dialog .batch-remove{border:none;background:none;font-size:18px;color:var(--color-text-secondary, #7A8794);cursor:pointer;padding:0 4px}.tp-dialog .delete-warn{font-size:14px;color:var(--color-text-secondary, #7A8794);margin:0 0 8px}.tp-dialog .delete-name{font-size:14px;color:var(--color-text-primary, #1A1A2E);margin:0;padding:10px;background:var(--color-bg, #F5F7FA);border-radius:8px}