.auth-container{position:fixed;top:0;left:0;right:0;bottom:0;margin:0;padding:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff9a56,#ff6b6b);overflow:hidden}.auth-container:before{content:"";position:absolute;top:-20%;left:-20%;width:400px;height:400px;background:#ffffff14;border-radius:50%;filter:blur(80px);animation:float 8s ease-in-out infinite}.auth-container:after{content:"";position:absolute;bottom:-20%;right:-20%;width:500px;height:500px;background:#ffffff0d;border-radius:50%;filter:blur(100px);animation:float 10s ease-in-out infinite reverse}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}.auth-card{position:relative;z-index:1;background:#fffffffa;border-radius:24px;box-shadow:0 20px 60px #0000004d,0 0 100px #ffffff1a;width:100%;max-width:440px;padding:48px 40px;animation:slideIn .4s ease-out;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes slideIn{0%{opacity:0;transform:translateY(-30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-header{text-align:center;margin-bottom:40px}.auth-header:before{content:"📚";display:block;font-size:48px;margin-bottom:16px;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.auth-header h1{font-size:28px;font-weight:700;color:#1a1a1a;margin:0 0 8px;letter-spacing:-.5px}.auth-header p{font-size:15px;color:#666;margin:0;font-weight:500}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:600;color:#333;margin-left:4px}.form-group input{padding:14px 16px;font-size:15px;border:1.5px solid #e8e8e8;border-radius:12px;transition:all .3s cubic-bezier(.4,0,.2,1);outline:none;background:#fff}.form-group input:focus{border-color:#ff6b6b;box-shadow:0 0 0 4px #ff6b6b1a;transform:translateY(-1px)}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed;opacity:.6}.error-message{background:linear-gradient(135deg,#fff1f0,#ffe7e7);border:1.5px solid #ffa39e;color:#cf1322;padding:14px 16px;border-radius:12px;font-size:14px;text-align:center;font-weight:500;animation:shake .3s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.submit-btn{background:linear-gradient(135deg,#ff9a56,#ff6b6b);color:#fff;border:none;padding:16px;font-size:16px;font-weight:700;border-radius:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);margin-top:12px;box-shadow:0 4px 16px #ff6b6b66;letter-spacing:.5px}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #ff6b6b80}.submit-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 4px 12px #ff6b6b66}.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.auth-footer{margin-top:32px;text-align:center;padding-top:24px;border-top:1px solid #f0f0f0}.toggle-btn{background:linear-gradient(135deg,#fff5f0,#ffe8e0);border:none;color:#ff6b6b;font-size:14px;font-weight:600;cursor:pointer;padding:12px 24px;border-radius:10px;transition:all .3s cubic-bezier(.4,0,.2,1)}.toggle-btn:hover:not(:disabled){background:linear-gradient(135deg,#ffe8e0,#ffd4cc);transform:translateY(-1px);box-shadow:0 4px 12px #ff6b6b33}.toggle-btn:active:not(:disabled){transform:translateY(0)}.toggle-btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 480px){.auth-card{padding:32px 24px;max-width:100%;margin:16px;border-radius:20px}.auth-header h1{font-size:24px}.auth-header:before{font-size:40px}.form-group input{padding:12px 14px}.submit-btn{padding:14px;font-size:15px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.dashboard-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow-x:hidden}.dashboard-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(120,119,198,.3) 0%,transparent 50%);animation:pulse 4s ease-in-out infinite;pointer-events:none}.dashboard-header{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:20px 32px;box-shadow:0 4px 20px #0000001a;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:100;animation:slideIn .5s ease-out}.dashboard-header:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#667eea,#764ba2,#667eea);background-size:200% 100%;animation:shimmer 3s linear infinite}.header-title{font-size:24px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.header-user{display:flex;align-items:center;gap:16px;animation:fadeIn .6s ease-out .2s both}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;transition:transform .3s ease}.user-avatar:hover{transform:scale(1.1) rotate(5deg)}.logout-button{padding:10px 20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:25px;cursor:pointer;font-weight:500;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.logout-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.logout-button:active{transform:translateY(0)}.dashboard-content{padding:32px;position:relative;z-index:1}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:32px;animation:fadeIn .6s ease-out .3s both}.stat-card{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;padding:24px;box-shadow:0 8px 32px #0000001a;transition:all .3s ease;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#667eea,#764ba2);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.stat-card:hover:before{transform:scaleX(1)}.stat-card:hover{transform:translateY(-4px);box-shadow:0 12px 48px 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ease;position:relative}.tab-button:hover{background:#667eea1a;color:#667eea}.tab-button.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea66}.data-table{width:100%;border-collapse:collapse;margin-top:16px}.data-table thead{background:linear-gradient(135deg,#667eea1a,#764ba21a)}.data-table th{padding:16px;text-align:left;font-weight:600;color:#667eea;font-size:14px;text-transform:uppercase;letter-spacing:.5px}.data-table td{padding:16px;border-bottom:1px solid #f3f4f6;font-size:14px;color:#4b5563;transition:background .2s ease}.data-table tbody tr{transition:all .2s ease}.data-table tbody tr:hover{background:#667eea0d;transform:scale(1.01)}.progress-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden;position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);border-radius:4px;transition:width .6s 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768px){.dashboard-content{padding:16px}.stats-grid{grid-template-columns:1fr}.dashboard-header{flex-direction:column;gap:16px;align-items:flex-start}.data-table{font-size:12px}.data-table th,.data-table td{padding:12px 8px}}.fab{position:fixed;bottom:32px;right:32px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;box-shadow:0 8px 24px #667eea66;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;transition:all .3s ease;z-index:1000}.fab:hover{transform:scale(1.1) rotate(90deg);box-shadow:0 12px 32px #667eea99}