:root{--primary:#e53935;--secondary:#ffcdb2;--accent:#ffcdb2;--success:#10b981;--danger:#e53935;--bg-main:#fff;--text-main:#1e293b;--text-muted:#64748b;--border-light:#f1f5f9}.student-profile-container{background-color:var(--bg-main);padding-bottom:0}.profile-hero{background:#f2f2f7;border-radius:0 0 40px 40px;height:200px;margin-bottom:140px;position:relative}.cover-image{object-fit:cover;border-radius:0 0 40px 40px;width:100%;height:100%}.hero-overlay{background:linear-gradient(rgba(255,255,255,0) 0%,rgba(255,255,255,.8) 100%);position:absolute;top:0;bottom:0;left:0;right:0}.back-btn-float{z-index:20;position:absolute;top:20px;left:20px}.avatar-main-wrapper{z-index:10;flex-direction:column;align-items:center;padding:0 20px;display:flex;position:absolute;bottom:-110px;left:0;right:0}.avatar-large{border:5px solid #fff;box-shadow:0 8px 20px rgba(0,0,0,.08);width:120px!important;height:120px!important}.avatar-container{position:relative}.avatar-edit-badge{bottom:0;right:0;box-shadow:0 4px 10px rgba(0,0,0,.15);color:#fff!important;background:#ff5252!important;border:3px solid #fff!important;width:36px!important;height:36px!important;transition:all .2s cubic-bezier(.175,.885,.32,1.275)!important;position:absolute!important}.avatar-edit-badge:hover{transform:scale(1.1);background:#ff7675!important}.avatar-edit-badge svg{font-size:20px}.main-content-clean{max-width:1000px;margin:0 auto;padding:0 20px}.profile-detail-content .section-head-flat{display:none}.profile-detail-content .section-flat{margin-bottom:24px}.section-flat{margin-bottom:40px}.section-head-flat{justify-content:space-between;align-items:center;gap:10px;margin-bottom:25px;display:flex}.head-left{align-items:center;gap:12px;display:flex}.section-head-highlight{background:linear-gradient(90deg,#f2f2f7,transparent);border-radius:12px;padding:12px 16px}.section-head-highlight.color-blue{background:linear-gradient(90deg,rgba(0,174,239,.05),transparent);border-left:4px solid #00aeef}.section-head-highlight.color-orange{background:linear-gradient(90deg,rgba(245,158,11,.05),transparent);border-left:4px solid #f59e0b}.section-head-highlight.color-green{background:linear-gradient(90deg,rgba(16,185,129,.05),transparent);border-left:4px solid #10b981}.section-title-flat{color:var(--text-main);letter-spacing:-.01em;font-size:1.1rem;font-weight:800}.info-grid-flat{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}.data-item-flat{flex-direction:column;display:flex}.data-label-flat{text-transform:uppercase;color:#94a3b8;margin-bottom:4px;font-size:.75rem;font-weight:700}.data-value-flat{color:var(--text-main);overflow-wrap:anywhere;min-height:24px;font-size:.95rem;font-weight:600}.color-male{color:#3b82f6!important}.color-female{color:#ec4899!important}.data-input-flat{color:var(--text-main);background:#f2f2f7;border:1px solid #e2e8f0;border-radius:8px;outline:none;width:100%;padding:8px 12px;font-size:.9rem;font-weight:600;transition:all .2s}.data-input-flat:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(0,174,239,.1)}.gender-radio-group{gap:12px;display:flex}.gender-radio{cursor:pointer;color:#94a3b8;border:2px solid #f1f5f9;border-radius:8px;flex:1;justify-content:center;align-items:center;padding:8px;font-size:.85rem;font-weight:700;transition:all .2s;display:flex}.gender-radio input{display:none}.gender-radio.male.active{color:#3b82f6;background:rgba(59,130,246,.05);border-color:#3b82f6}.gender-radio.female.active{color:#ec4899;background:rgba(236,72,153,.05);border-color:#ec4899}.gender-radio:hover:not(.active){background:#f2f2f7;border-color:#e2e8f0}.edit-fullname-input{color:var(--text-main);text-align:center;background:0 0;border:none;border-bottom:2px dashed #cbd5e1;outline:none;width:100%;max-width:400px;margin-top:16px;font-size:2rem;font-weight:900}.edit-fullname-input:focus{border-bottom-color:var(--primary)}.teacher-item-white{background:#f2f2f7;border-radius:16px;align-items:center;margin-bottom:10px;padding:12px;display:flex}.timeline-flat{scrollbar-width:thin;scrollbar-color:#e2e8f0 transparent;border-left:2px solid #f1f5f9;max-height:400px;margin-left:10px;padding-left:34px;padding-right:10px;overflow-y:auto}.timeline-flat::-webkit-scrollbar{width:5px}.timeline-flat::-webkit-scrollbar-track{background:0 0}.timeline-flat::-webkit-scrollbar-thumb{background:#e2e8f0;border-radius:20px}.timeline-flat::-webkit-scrollbar-thumb:hover{background:#cbd5e1}.timeline-step-flat{padding-bottom:20px;position:relative}.timeline-step-flat:after{content:"";border:3px solid var(--primary);background:#fff;border-radius:50%;width:12px;height:12px;position:absolute;top:6px;left:-27px}.quick-grid-flat{gap:15px;display:flex}.quick-btn-flat{cursor:pointer;background:#f2f2f7;border:1px solid #f1f5f9;border-radius:20px;flex:1;align-items:center;gap:15px;padding:20px;transition:all .2s;display:flex}.quick-btn-flat:hover{border-color:var(--primary);background:#fff}.btn-update-small{color:var(--text-main);cursor:pointer;background:#f1f5f9;border:none;border-radius:12px;align-items:center;gap:6px;padding:8px 16px;font-size:.85rem;font-weight:700;transition:all .2s;display:flex}.btn-update-small:hover{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(0,174,239,.2)}.btn-update-small.active{background:var(--success);color:#fff}.btn-update-small.active:hover{background:#059669}.btn-update-small svg{font-size:18px}.section-head-highlight.color-indigo{background:linear-gradient(90deg,rgba(99,102,241,.05),transparent);border-left:4px solid #6366f1}.section-head-highlight.color-purple{background:linear-gradient(90deg,rgba(168,85,247,.05),transparent);border-left:4px solid #a855f7}.section-head-highlight.color-teal{background:linear-gradient(90deg,rgba(20,184,166,.05),transparent);border-left:4px solid #14b8a6}.relation-list{flex-direction:column;gap:12px;display:flex}.relation-card{background:#f2f2f7;border:1px solid #f1f5f9;border-radius:8px;padding:16px;transition:all .2s}.relation-card:hover{background:#fff;border-color:#cbd5e1;box-shadow:0 4px 12px rgba(0,0,0,.05)}.relation-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.relation-name{color:var(--text-main);overflow-wrap:anywhere;min-width:0;font-size:.95rem!important;font-weight:800!important}.relation-badge{text-transform:uppercase;color:#6366f1;overflow-wrap:anywhere;background:#fff;border:1px solid #e2e8f0;border-radius:6px;padding:4px 8px;font-size:.75rem;font-weight:800}.relation-body{flex-direction:column;gap:4px;display:flex}.relation-item{color:var(--text-muted);align-items:center;font-size:.875rem;font-weight:500;display:flex}@media (max-width:768px){.profile-hero{height:160px;margin-bottom:120px}.avatar-large{width:100px!important;height:100px!important}.avatar-edit-badge{border-width:2px!important;width:30px!important;height:30px!important}.avatar-edit-badge svg{font-size:16px}.avatar-main-wrapper{bottom:-100px}.avatar-main-wrapper h4{font-size:1.5rem}.info-grid-flat{grid-template-columns:1fr;gap:15px}.quick-grid-flat{flex-direction:column}.quick-btn-flat{padding:15px}.section-title-flat{font-size:1rem}.timeline-flat{max-height:none;margin-left:6px;padding-left:28px;padding-right:0;overflow:visible}.timeline-step-flat:after{left:-21px}.teacher-item-white{padding:10px}.teacher-item-white .MuiAvatar-root{width:40px;height:40px}}@media (prefers-reduced-motion:reduce){.avatar-edit-badge,.relation-card,.quick-btn-flat,.btn-update-small,.data-input-flat{transition:none!important}}