.student-login-overlay{position:fixed;inset:0;background:linear-gradient(135deg,#0a192ff2,#0f2341f2);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg)}.student-login-modal{background:linear-gradient(145deg,#ffffff26,#ffffff14);border-radius:24px;padding:40px 36px;max-width:420px;width:100%;box-shadow:0 25px 80px #00000080,0 0 80px #3b82f626,inset 0 1px #ffffff40;border:1px solid rgba(255,255,255,.15);position:relative;overflow:hidden}.student-login-modal:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle at 70% 30%,rgba(245,158,11,.15) 0%,transparent 40%);pointer-events:none}.login-header{text-align:center;margin-bottom:32px;position:relative;z-index:1}.login-icon{font-size:72px;margin-bottom:16px;animation:float 3s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(245,158,11,.4))}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.login-header h2{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;color:#fff;margin:0 0 12px;text-shadow:0 2px 8px rgba(0,0,0,.3);background:linear-gradient(135deg,#fff,#e0e7ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-header p{color:#fffc;font-size:1rem;margin:0;line-height:1.5}.login-form{display:flex;flex-direction:column;gap:16px;position:relative;z-index:1}.input-group input{width:100%;padding:18px 24px;font-size:1.1rem;font-weight:500;border:2px solid rgba(255,255,255,.2);border-radius:16px;background:#ffffff1a;color:#fff;transition:all .3s ease;text-align:center}.input-group input:focus{outline:none;border-color:#3b82f6;background:#ffffff26;box-shadow:0 0 0 4px #3b82f640,0 8px 24px #3b82f633}.input-group input::placeholder{color:#ffffff80}.login-button{padding:18px 32px;font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,#3b82f6,#2563eb,#1d4ed8);color:#fff;border:none;border-radius:16px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.2);box-shadow:0 4px 16px #3b82f666,inset 0 1px #fff3}.login-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:.5s}.login-button:hover:not(:disabled):before{left:100%}.login-button:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 28px #3b82f680,inset 0 1px #ffffff4d}.login-button:disabled{opacity:.4;cursor:not-allowed;transform:none}.login-benefits{display:flex;flex-direction:column;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);position:relative;z-index:1}.benefit{display:flex;align-items:center;gap:12px;color:#ffffffd9;font-size:.95rem;padding:8px 12px;border-radius:10px;background:#ffffff0d;transition:all .2s ease}.benefit:hover{background:#ffffff1a;transform:translate(4px)}.benefit span:first-child{font-size:1.4rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.student-profile{display:flex;align-items:center;gap:12px;padding:8px 16px 8px 8px;background:linear-gradient(135deg,#3b82f633,#8b5cf626);border-radius:50px;border:1px solid rgba(59,130,246,.3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all .3s ease}.student-profile:hover{background:linear-gradient(135deg,#3b82f64d,#8b5cf640);box-shadow:0 4px 16px #3b82f640}.profile-avatar{font-size:1.3rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;box-shadow:0 4px 12px #3b82f666}.profile-info{display:flex;flex-direction:column;gap:2px}.profile-name{font-weight:700;font-size:.9rem;color:#fff}.profile-school{font-size:.75rem;color:#ffffffb3;font-weight:500}.profile-fish{display:flex;align-items:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,#f59e0b,#eab308);border-radius:50px;margin-left:auto;box-shadow:0 4px 12px #f59e0b66}.fish-icon{font-size:1.1rem}.fish-count{font-weight:800;font-size:.95rem;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.2)}@media(max-width:480px){.student-login-modal{padding:32px 24px;margin:16px;border-radius:20px}.login-icon{font-size:56px}.login-header h2{font-size:1.5rem}.input-group input{padding:16px 20px;font-size:1rem}.login-button{padding:16px 24px;font-size:1rem}}.fish-points-display{display:flex;align-items:center;gap:var(--space-sm);position:relative}.fish-badge{display:flex;align-items:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:var(--radius-full);box-shadow:0 2px 8px #f59e0b4d;cursor:pointer;-webkit-user-select:none;user-select:none}.fish-emoji{font-size:1.2rem}.fish-amount{font-weight:700;font-size:var(--font-size-md);color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.2)}.streak-badge{display:flex;align-items:center;gap:4px;padding:4px 10px;background:linear-gradient(135deg,#ef4444,#f97316);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:600;color:#fff;box-shadow:0 2px 6px #ef44444d}.points-earned{position:absolute;top:0;left:50%;transform:translate(-50%);font-weight:700;font-size:var(--font-size-lg);color:#22c55e;text-shadow:0 2px 4px rgba(0,0,0,.3);white-space:nowrap;pointer-events:none}@keyframes fishSwim{0%,to{transform:translate(0) rotate(0)}25%{transform:translate(-3px) rotate(-5deg)}75%{transform:translate(3px) rotate(5deg)}}.fish-badge:hover .fish-emoji{animation:fishSwim .5s ease infinite}.layout{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.header{position:sticky;top:0;z-index:var(--z-dropdown);background:#fff;border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 1px 12px #0000000a;padding:var(--space-md) 0}.header-content{gap:var(--space-lg)}.logo{display:flex;align-items:center;gap:var(--space-sm);color:var(--text-primary)}.logo-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px}.logo-icon img{width:100%;height:100%;object-fit:contain}.logo-text{font-size:var(--font-size-xl);font-weight:700;color:var(--color-primary)}.nav{display:flex;gap:var(--space-lg)}.nav-link{display:flex;align-items:center;gap:var(--space-sm);color:var(--text-secondary);font-weight:500;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-link:hover{color:var(--color-primary);background:var(--color-primary-light)}.header-right{gap:var(--space-md);align-items:center}.stat{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-full);font-weight:600;cursor:default}.stat-value{color:var(--text-primary);font-size:var(--font-size-sm)}.user-menu{display:flex;align-items:center;gap:var(--space-sm)}.avatar{width:36px;height:36px;border-radius:var(--radius-full);border:2px solid var(--color-primary);object-fit:cover}.btn-signout{background:transparent;color:var(--text-secondary);font-size:var(--font-size-sm);padding:var(--space-sm);transition:color var(--transition-fast)}.btn-signout:hover{color:var(--color-error)}.main{flex:1}.footer{background:var(--bg-secondary);padding:var(--space-lg) 0;color:var(--text-muted);font-size:var(--font-size-sm);border-top:1px solid var(--border-color)}@media(max-width:768px){.nav{display:none}.header-right{gap:var(--space-sm)}.stat{padding:var(--space-xs) var(--space-sm)}.btn-signout{display:none}}.student-profile-header{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm) var(--space-xs) var(--space-md);background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:var(--radius-full)}.student-name{font-weight:600;font-size:var(--font-size-sm);color:#fff}.btn-signout-small{background:#fff3;color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:10px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.btn-signout-small:hover{background:#fff6}.btn-conan{background:linear-gradient(135deg,#fbbf24,#f59e0b)!important;color:#fff!important;font-weight:600;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);font-size:var(--font-size-sm);box-shadow:0 2px 8px #fbbf244d;transition:all .2s ease}.btn-conan:hover{transform:translateY(-1px);box-shadow:0 4px 12px #fbbf2466}@media(max-width:640px){.student-profile-header{display:none}.btn-conan{padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-xs)}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0a0f,#1a1a2e,#16213e);padding:2rem;position:relative;overflow:hidden}.login-bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 8s ease-in-out infinite}.orb-1{width:400px;height:400px;background:linear-gradient(135deg,gold,#ff8c00);top:-100px;left:-100px;animation-delay:0s}.orb-2{width:300px;height:300px;background:linear-gradient(135deg,#8b5cf6,#3b82f6);bottom:-50px;right:-50px;animation-delay:2s}.orb-3{width:200px;height:200px;background:linear-gradient(135deg,#10b981,#14b8a6);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:4s}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}.login-card{background:#141423e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,215,0,.2);border-radius:24px;padding:3rem 2.5rem;width:100%;max-width:420px;text-align:center;box-shadow:0 0 0 1px #ffd7001a,0 20px 50px #00000080,0 0 100px #ffd7001a;position:relative;z-index:10}.login-mascot{position:relative;margin-bottom:1.5rem}.mascot-icon{font-size:4rem;display:block;animation:bounce 2s ease-in-out infinite}.mascot-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100px;height:100px;background:radial-gradient(circle,rgba(255,215,0,.3) 0%,transparent 70%);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:.5;transform:translate(-50%,-50%) scale(1)}50%{opacity:.8;transform:translate(-50%,-50%) scale(1.2)}}.login-header h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,gold,#ffec8b,gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.login-subtitle{color:#fff9;font-size:1rem;margin-bottom:2rem}.login-form{display:flex;flex-direction:column;gap:1.25rem}.input-group{text-align:left}.input-group label{display:block;font-size:.875rem;color:#ffffffb3;margin-bottom:.5rem;font-weight:500}.input-group input{width:100%;padding:1rem 1.25rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:1rem;transition:all .3s ease;box-sizing:border-box}.input-group input::placeholder{color:#ffffff4d}.input-group input:focus{outline:none;border-color:#ffd70080;background:#ffd7000d;box-shadow:0 0 20px #ffd7001a}.login-error{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;color:#fca5a5;font-size:.875rem}.btn-login{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;padding:1rem 1.5rem;background:linear-gradient(135deg,gold,#ff8c00);border:none;border-radius:12px;color:#000;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;margin-top:.5rem}.btn-login:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 30px #ffd7004d}.btn-login:active:not(:disabled){transform:translateY(0)}.btn-login:disabled{opacity:.7;cursor:not-allowed}.btn-login.loading{pointer-events:none}.btn-arrow{font-size:1.25rem;transition:transform .3s ease}.btn-login:hover .btn-arrow{transform:translate(4px)}.loader{width:20px;height:20px;border:2px solid rgba(0,0,0,.2);border-top-color:#000;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-footer{margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1)}.login-footer p{color:#ffffff80;font-size:.875rem;margin-bottom:.5rem}.login-footer a{color:gold;text-decoration:none;font-weight:600;transition:all .3s ease}.login-footer a:hover{text-decoration:underline;text-shadow:0 0 10px rgba(255,215,0,.5)}@media(max-width:480px){.login-card{padding:2rem 1.5rem;border-radius:20px}.login-header h1{font-size:1.75rem}.mascot-icon{font-size:3rem}}:root{--color-primary: #2196F3;--color-primary-dark: #1976D2;--color-primary-light: #E3F2FD;--color-accent: #E5A800;--color-accent-dark: #C79100;--color-accent-light: #FFF8E1;--color-success: #4CAF7C;--color-success-light: #E8F5E9;--color-error: #E57373;--color-error-light: #FFEBEE;--color-warning: #FFB74D;--color-warning-light: #FFF3E0;--bg-primary: #FAFBFC;--bg-secondary: #F5F6F8;--bg-tertiary: #EBEEF2;--bg-card: #FFFFFF;--text-primary: #2C3E50;--text-secondary: #607D8B;--text-muted: #90A4AE;--border-color: #E0E6ED;--border-focus: #2196F3;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .08);--shadow-hover: 0 8px 30px rgba(33, 150, 243, .12);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: "Lora", "Georgia", "Times New Roman", serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-size-2xl: 32px;--font-size-3xl: 48px;--font-size-4xl: 64px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--z-dropdown: 100;--z-modal: 200;--z-toast: 300}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}button{font-family:inherit;cursor:pointer;border:none;outline:none}img{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.grid{display:grid}.text-center{text-align:center}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background:var(--color-primary-light);color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-md);transition:all var(--transition-normal)}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#45B7D1 100%);color:#fff;position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease}.btn-primary:hover:before{left:100%}.btn-primary:hover{background:linear-gradient(135deg,var(--color-primary-dark) 0%,#3BA8C2 100%);transform:translateY(-2px);box-shadow:0 8px 24px #1cb0f659}.btn-primary:active{transform:scale(.95) translateY(0);box-shadow:0 2px 8px #1cb0f640}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-secondary:hover{background:var(--color-primary-light)}.btn-lg{padding:var(--space-md) var(--space-2xl);font-size:var(--font-size-lg);border-radius:var(--radius-lg)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}.icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px}.icon-sm{width:16px;height:16px}.icon-lg{width:32px;height:32px}.icon-xl{width:48px;height:48px}.icon svg{width:100%;height:100%}