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#0000001a;overflow:hidden;padding:1.5rem;position:relative;transition:all .3s ease}.stat-card:before{background:linear-gradient(90deg,#3b82f6,#60a5fa);background:linear-gradient(90deg,var(--card-color,#3b82f6),var(--card-color-light,#60a5fa));content:"";height:4px;left:0;position:absolute;right:0;top:0}.stat-card:hover{background:#fff;box-shadow:0 8px 30px #0000001f,0 4px 12px #00000026;transform:translateY(-4px)}.stat-header{justify-content:space-between;margin-bottom:1rem}.stat-header,.stat-icon{align-items:center;display:flex}.stat-icon{border-radius:14px;box-shadow:0 4px 12px #00000026;color:#fff;font-size:1.75rem;height:56px;justify-content:center;position:relative;width:56px;z-index:1}.stat-change{border-radius:6px;font-size:.875rem;font-weight:600;padding:4px 8px}.stat-change.positive{background:#dcfce7;color:#166534}.stat-content h3{color:#0f172a;font-size:2.25rem;font-weight:800;margin:0 0 6px;text-shadow:0 1px 2px #0000001a}.stat-content p{color:#475569;font-size:.9rem;font-weight:500;margin:0}.dashboard-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(400px,1fr))}.dashboard-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border:1px solid #fff3;border-radius:16px;box-shadow:0 4px 20px #00000014,0 1px 3px #0000001a;padding:1.5rem;position:relative;transition:all .3s ease}.dashboard-card:hover{background:#fff;box-shadow:0 8px 30px #0000001f,0 4px 12px #00000026;transform:translateY(-2px)}.card-header{align-items:center;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;margin-bottom:1.5rem;padding-bottom:1rem}.card-header h3{color:#0f172a;font-size:1.375rem;font-weight:700;margin:0;text-shadow:0 1px 2px #0000001a}.view-all-btn{background:none;border:none;border-radius:6px;color:#3b82f6;cursor:pointer;font-size:.875rem;font-weight:500;padding:4px 8px;transition:background .2s 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#0000001a;transform:translateX(5px)}.rank{align-items:center;background:linear-gradient(45deg,#667eea,#764ba2);border-radius:50%;color:#fff;display:flex;font-size:1.1rem;font-weight:700;height:40px;justify-content:center;width:40px}.teacher-name{color:#2c3e50;display:block;font-size:1.1rem;font-weight:600}.teacher-email{color:#6c757d;display:block;font-size:.9rem}.performance-score{color:#28a745;font-size:1.5rem;font-weight:700}.teachers-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:20px;box-shadow:0 10px 30px #0000001a;padding:30px}.teachers-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.teacher-card{align-items:center;background:#f8f9fa;border:2px solid #0000;border-radius:15px;cursor:pointer;display:flex;gap:15px;padding:20px;transition:all .3s ease}.teacher-card:hover{border-color:#667eea;box-shadow:0 5px 15px 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