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45%,transparent);outline-offset:2px}.create-course-btn{background:var(--color-primary);color:var(--color-button-text);border:none;padding:9px 14px;font-size:14px;cursor:pointer;border-radius:12px;white-space:nowrap;flex:0 0 auto}.create-course-btn:hover{background:var(--color-primary-hover);opacity:1}.delete-course-btn{background-color:var(--color-primary);color:var(--color-button-text);border:none;padding:8px 12px;font-size:14px;cursor:pointer;border-radius:10px;margin-top:10px}.delete-course-btn:hover{background-color:var(--color-primary-hover)}@media(max-width:720px){.courses-toolbar{flex-wrap:wrap}.courses-toolbar__actions{width:100%;justify-content:space-between}.courses-toolbar__divider{display:none}.create-course-btn{width:100%}}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--color-text) 55%,transparent);display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;animation:fadeIn .3s ease-in-out}.dialog{background:var(--color-surface);width:min(1040px,96vw);height:min(800px,92vh);max-height:90vh;border-radius:18px;box-shadow:0 22px 50px color-mix(in srgb,var(--color-text) 25%,transparent);position:relative;display:flex;flex-direction:column;border:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);overflow:hidden}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:22px 28px 16px;border-bottom:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);position:sticky;top:0;z-index:2}.dialog-eyebrow{margin:0 0 6px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted)}.dialog-title{margin:0;font-size:22px;color:var(--color-text);font-weight:700}.dialog-close{width:36px;height:36px;border-radius:50%;border:none;display:inline-flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;background:color-mix(in srgb,var(--color-primary) 15%,transparent);color:var(--color-primary);transition:background .2s ease,color .2s ease,transform .2s ease}.dialog-close:hover{background:color-mix(in srgb,var(--color-primary) 25%,transparent);color:var(--color-primary);transform:scale(1.05)}.dialog-body{flex:1;overflow-y:auto;padding:22px 28px 32px}.edit-student-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.form-group input,.form-group select{padding:0;border:none;border-radius:0;font-size:13px;width:100%;background:transparent;color:var(--color-text)}.form-group input:focus,.form-group select:focus{outline:none}.dialog-footer{display:flex;justify-content:flex-end;padding:14px 28px 18px;border-top:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);gap:12px;position:sticky;bottom:0;z-index:2}.dialog-btn{min-width:140px;padding:11px 16px;font-size:14px;font-weight:600;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.dialog-btn--ghost{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-button-text)}.dialog-btn--ghost:hover{background:var(--color-primary-hover)}.dialog-btn--primary{background:var(--color-primary);color:var(--color-button-text);box-shadow:0 12px 20px color-mix(in srgb,var(--color-primary) 25%,transparent)}.dialog-btn--primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 14px 24px color-mix(in srgb,var(--color-primary) 30%,transparent)}.dialog-btn:focus-visible{outline:3px solid color-mix(in srgb,var(--color-primary) 35%,transparent);outline-offset:2px}@media(max-width:720px){.edit-student-form{grid-template-columns:1fr}}@media(max-width:480px){.dialog{width:94%;height:90vh;max-height:90vh}.dialog-header{padding:16px 18px 12px}.dialog-body{padding:14px 18px 20px}.dialog-footer{padding:12px 18px 16px;flex-direction:column-reverse}.dialog-btn{width:100%}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--color-text) 55%,transparent);display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;animation:fadeIn .3s ease-in-out}.modal{background:var(--color-surface);width:min(1040px,96vw);height:min(800px,92vh);max-height:90vh;border-radius:18px;box-shadow:0 22px 50px color-mix(in srgb,var(--color-text) 25%,transparent);position:relative;display:flex;flex-direction:column;border:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 28px 16px;border-bottom:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);position:sticky;top:0;z-index:2}.modal-eyebrow{margin:0 0 6px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted)}.modal-header h2{margin:0;font-size:22px;color:var(--color-text);font-weight:700}.modal-close{width:36px;height:36px;border-radius:50%;border:none;display:inline-flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;background:color-mix(in srgb,var(--color-primary) 15%,transparent);color:var(--color-primary);transition:background .2s ease,color .2s ease,transform .2s ease}.modal-close:hover{background:color-mix(in srgb,var(--color-primary) 25%,transparent);color:var(--color-primary);transform:scale(1.05)}.modal-body{flex:1;overflow-y:auto;padding:22px 28px 32px}.student-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.form-group{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--color-border) 80%,transparent);border-radius:10px;background:color-mix(in srgb,var(--color-surface) 95%,var(--color-bg));transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.form-group.full-width{grid-column:1 / -1}.form-group label{font-weight:600;font-size:12px;color:var(--color-muted);letter-spacing:.01em}.form-group input{padding:0;border:none;border-radius:0;font-size:13px;width:100%;background:transparent;color:var(--color-text)}.form-group input[type=file]{padding:6px 0}.image-preview{width:100%;max-height:160px;object-fit:cover;border-radius:10px;border:1px solid var(--color-border);margin-top:8px}.form-group input::placeholder{color:var(--color-muted)}.form-group input:focus{outline:none}.form-group:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--color-primary) 20%,transparent);background:var(--color-surface)}.modal-footer{display:flex;justify-content:flex-end;padding:14px 28px 18px;border-top:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);gap:12px;position:sticky;bottom:0;z-index:2}.modal-btn{min-width:140px;padding:11px 16px;font-size:14px;font-weight:600;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.modal-btn--ghost{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-button-text)}.modal-btn--ghost:hover{background:var(--color-primary-hover)}.modal-btn--primary{background:var(--color-primary);color:var(--color-button-text);box-shadow:0 12px 20px color-mix(in srgb,var(--color-primary) 25%,transparent)}.modal-btn--primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 14px 24px color-mix(in srgb,var(--color-primary) 30%,transparent)}.modal-btn:focus-visible{outline:3px solid color-mix(in srgb,var(--color-primary) 35%,transparent);outline-offset:2px}@media(max-width:720px){.student-form{grid-template-columns:1fr}}@media(max-width:480px){.modal{width:94%;height:90vh;max-height:90vh}.modal-header{padding:16px 18px 12px}.modal-body{padding:14px 18px 20px}.modal-footer{padding:12px 18px 16px;flex-direction:column-reverse}.modal-btn{width:100%}}.students-container{margin-top:30px;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:50px 20px;padding:20px}.student-card{background:#fff;border-radius:15px;overflow:visible;box-shadow:0 2px 10px #0000001a;text-align:center;padding:60px 20px 20px;transition:transform .3s ease-in-out;position:relative}.student-card:hover{transform:translateY(-5px)}.profile-image{width:85px!important;height:85px!important;border-radius:50%;background:#f1f1f1;display:flex;align-items:center;justify-content:center;overflow:hidden;border:3px solid #d1e3ff;position:absolute;top:-35px;left:50%;transform:translate(-50%);box-shadow:0 4px 8px #0000001a}.profile-image img{width:100%;height:100%;object-fit:cover;border-radius:50%}.student-info{margin-top:20px}.student-info h3{font-size:16px;font-weight:700;margin:5px 0;color:#333}.student-info p{font-size:13px;color:#999}.student-stats{display:flex;justify-content:space-between;margin-top:10px;font-size:14px;padding-top:10px}.menu-dropdown{position:absolute;top:30px;right:0;background:#fff;box-shadow:0 4px 6px #0000001a;border-radius:5px;display:flex;flex-direction:column;min-width:100px}.menu-dropdown button{background:none;border:none;padding:10px;text-align:left;width:100%;cursor:pointer}.menu-dropdown button:hover{background:#d3d3d3}.dialog-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:1;visibility:visible}.dialog{background:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 10px #0003;position:relative;text-align:center;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.dialog input,.dialog select{width:100%;padding:8px;margin-top:5px;margin-bottom:15px;border:1px solid #ccc;border-radius:5px}.dialog-buttons{display:flex;justify-content:space-between;margin-top:10px}.dialog-buttons button{padding:10px 15px;border:none;cursor:pointer;font-weight:700;border-radius:5px}.dialog-buttons button:first-child{background:#ccc;color:#000}.dialog-buttons button:first-child:hover{background:#b3b3b3}.dialog-buttons button:last-child{background:#007bff;color:#fff}.dialog-buttons button:last-child:hover{background:#0056b3}.students-header{display:flex;align-items:center;gap:14px;justify-content:space-between;background:#fff;padding:8px 14px;border-radius:12px;box-shadow:0 8px 18px #0f172a14;margin-top:10px}.students-toolbar__search{display:flex;align-items:center;gap:8px;flex:1 1 auto;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding-block:6px;padding-inline:10px}.students-toolbar__searchIcon{color:#6b7280;font-size:16px;flex:0 0 auto}.students-toolbar__searchInput{border:none;outline:none;font-size:14px;width:100%;background:transparent;color:#0f172a}.students-toolbar__searchInput::placeholder{color:#9ca3af}.students-toolbar__actions{display:flex;align-items:center;gap:10px}.students-toolbar__divider{width:1px;height:26px;background:#e5e7eb;flex:0 0 auto}.students-toolbar__selectWrapper{position:relative;display:inline-flex;align-items:center}.students-toolbar__select{border:none;background:transparent;font-size:13px;font-weight:600;color:#111827;padding-block:6px;padding-inline:6px 24px;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.students-toolbar__selectIcon{position:absolute;inset-inline-end:6px;top:50%;transform:translateY(-50%);pointer-events:none;color:#6b7280;font-size:16px}.students-toolbar__icons{display:inline-flex;align-items:center;gap:8px}.students-toolbar__iconButton{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;border:1px solid color-mix(in srgb,var(--color-primary) 25%,var(--color-border));background:color-mix(in srgb,var(--color-primary) 8%,var(--color-surface));color:var(--color-primary);cursor:pointer;transition:background .2s ease,border-color .2s ease}.students-toolbar__iconButton:hover{background:color-mix(in srgb,var(--color-primary) 16%,var(--color-surface));border-color:var(--color-primary)}.students-toolbar__iconButton:focus-visible{outline:2px solid color-mix(in srgb,var(--color-primary) 45%,transparent);outline-offset:2px}@media(max-width:720px){.students-header{flex-wrap:wrap}.students-toolbar__actions{width:100%;justify-content:space-between}}.teachers-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:50px 20px;padding:20px;justify-content:center;align-items:start;width:100%;margin-top:30px}.teacher-card{background:#fff;border-radius:15px;box-shadow:0 2px 10px #0000001a;text-align:center;padding:60px 20px 20px;transition:transform .3s ease-in-out;position:relative;width:250px;overflow:visible}.profile-image-container{position:absolute;top:-40px;left:50%;transform:translate(-50%);width:80px;height:80px;border-radius:50%;background:#fff;border:3px solid #d1e3ff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px #0000001a;z-index:2}.profile-image-teacher{width:100%;height:100%;object-fit:cover;border-radius:50%;top:-3px}.teacher-info{margin-top:40px}.teacher-info h3{font-size:16px;font-weight:700;margin:5px 0;color:#333}.teacher-info p{font-size:13px;color:#777}.status-indicator{position:absolute;top:10px;left:10px;width:10px;height:10px;border-radius:50%}.menu-icon{position:absolute;top:10px;right:10px;cursor:pointer;font-size:14px;color:#999}.divider{width:100%;height:1px;background:#e0e0e0;margin:10px 0}.teacher-stats{display:flex;justify-content:space-between;margin-top:10px;font-size:14px;padding-top:10px}.stat-box{text-align:center;flex:1}.stats-divider{width:1px;height:30px;background:#e0e0e0;margin:auto}.teachers-header{margin-top:10px;display:flex;align-items:center;gap:14px;justify-content:space-between;background:#fff;padding:8px 14px;border-radius:12px;box-shadow:0 8px 18px #0f172a14}.teachers-toolbar__search{display:flex;align-items:center;gap:8px;flex:1 1 auto;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding-block:6px;padding-inline:10px}.teachers-toolbar__searchIcon{color:#6b7280;font-size:16px;flex:0 0 auto}.teachers-toolbar__searchInput{border:none;outline:none;font-size:14px;width:100%;background:transparent;color:#0f172a}.teachers-toolbar__searchInput::placeholder{color:#9ca3af}.teachers-toolbar__actions{display:flex;align-items:center;gap:10px}.teachers-toolbar__divider{width:1px;height:26px;background:#e5e7eb;flex:0 0 auto}.teachers-toolbar__selectWrapper{position:relative;display:inline-flex;align-items:center}.teachers-toolbar__select{border:none;background:transparent;font-size:13px;font-weight:600;color:#111827;padding-block:6px;padding-inline:6px 24px;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.teachers-toolbar__selectIcon{position:absolute;inset-inline-end:6px;top:50%;transform:translateY(-50%);pointer-events:none;color:#6b7280;font-size:16px}.teachers-toolbar__icons{display:inline-flex;align-items:center;gap:8px}.teachers-toolbar__iconButton{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;border:1px solid #e5e7eb;background:#fff;color:#111827;cursor:pointer;transition:background .2s ease,border-color .2s ease}.teachers-toolbar__iconButton:hover{background:#f3f4f6;border-color:#d1d5db}.teachers-toolbar__iconButton:focus-visible{outline:2px solid #0f172a;outline-offset:2px}@media(max-width:720px){.teachers-header{flex-wrap:wrap}.teachers-toolbar__actions{width:100%;justify-content:space-between}}.teacher-field--full{grid-column:1 / -1}.teacher-field input{padding:0;border:none;border-radius:0;font-size:13px;width:100%;background:transparent;color:var(--color-text)}.teacher-field input:focus{outline:none}.teacher-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--color-text) 55%,transparent);display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;animation:fadeIn .3s ease-in-out}.teacher-modal{background:var(--color-surface);width:min(1040px,96vw);height:min(800px,92vh);max-height:90vh;border-radius:18px;box-shadow:0 22px 50px color-mix(in srgb,var(--color-text) 25%,transparent);position:relative;display:flex;flex-direction:column;border:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);overflow:hidden}.teacher-modal__header{display:flex;align-items:center;justify-content:space-between;padding:22px 28px 16px;border-bottom:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);position:sticky;top:0;z-index:2}.teacher-modal__eyebrow{margin:0 0 6px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted)}.teacher-modal__header h2{margin:0;font-size:22px;color:var(--color-text);font-weight:700}.teacher-modal__close{width:36px;height:36px;border-radius:50%;border:none;display:inline-flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;background:color-mix(in srgb,var(--color-primary) 15%,transparent);color:var(--color-primary);transition:background .2s ease,color .2s ease,transform .2s ease}.teacher-modal__close:hover{background:color-mix(in srgb,var(--color-primary) 25%,transparent);color:var(--color-primary);transform:scale(1.05)}.teacher-modal__body{flex:1;overflow-y:auto;padding:22px 28px 32px}.teacher-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}.teacher-field{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--color-border) 80%,transparent);border-radius:10px;background:color-mix(in srgb,var(--color-surface) 95%,var(--color-bg));transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.teacher-field label{font-weight:600;font-size:12px;color:var(--color-muted);letter-spacing:.01em}.teacher-field input,.teacher-field select{padding:0;border:none;border-radius:0;font-size:13px;width:100%;background:transparent;color:var(--color-text)}.teacher-field input[type=file]{font-size:12px}.teacher-field input::placeholder{color:var(--color-muted)}.teacher-field input:focus,.teacher-field select:focus{outline:none}.teacher-field:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--color-primary) 20%,transparent);background:var(--color-surface)}.teacher-image-preview{margin-top:8px;width:100%;max-height:180px;object-fit:cover;border-radius:12px;border:1px solid color-mix(in srgb,var(--color-border) 80%,transparent);box-shadow:0 10px 22px color-mix(in srgb,var(--color-text) 12%,transparent)}.teacher-modal__footer{display:flex;justify-content:flex-end;padding:14px 28px 18px;border-top:1px solid color-mix(in srgb,var(--color-border) 75%,transparent);background:var(--color-surface);gap:12px;position:sticky;bottom:0;z-index:2}.teacher-btn{min-width:140px;padding:11px 16px;font-size:14px;font-weight:600;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s 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