:root{--primary-color:#0a4275;--primary-hover:#072f54;--secondary-color:#17a2b8;--bg-main:#f0f4f8;--bg-gradient:linear-gradient(135deg,#f0f4f8 0,#d9e2ec 100%);--glass-bg:rgba(255,255,255,0.7);--glass-border:rgba(255,255,255,0.5);--text-primary:#102a43;--text-secondary:#486581;--input-bg:rgba(255,255,255,0.9);--input-text:#102a43;--gradient-1:#0a4275;--gradient-2:#17a2b8;}
body.student-theme{--primary-color:#e65100;--primary-hover:#bf360c;--secondary-color:#ff9800;--bg-main:#fff3e0;--bg-gradient:linear-gradient(135deg,#fff3e0 0,#ffe0b2 100%);--glass-bg:rgba(255,255,255,0.7);--glass-border:rgba(255,255,255,0.5);--text-primary:#212121;--text-secondary:#616161;--input-bg:rgba(255,255,255,0.95);--input-text:#212121;--gradient-1:#e65100;--gradient-2:#ff9800;}
*{margin:0;padding:0;box-sizing:border-box;font-family:'Inter',sans-serif;}
body{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow-x:hidden;overflow-y:auto;position:relative;background-color:#111;transition:background-color .5s ease;}
.bg-gradient{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-gradient);transition:background .8s ease-in-out;z-index:1;}
.bg-shape{position:fixed;border-radius:50%;filter:blur(80px);z-index:2;opacity:.4;transition:background .8s ease,transform 1s ease;}
.shape-1{width:500px;height:500px;background:var(--gradient-1);top:-100px;left:-100px;animation:float1 10s infinite alternate;}
.shape-2{width:400px;height:400px;background:var(--gradient-2);bottom:-50px;right:-50px;animation:float2 12s infinite alternate;}
@keyframes float1{0%{transform:translate(0,0) scale(1);}
100%{transform:translate(50px,50px) scale(1.1);}
}
@keyframes float2{0%{transform:translate(0,0) scale(1);}
100%{transform:translate(-50px,-50px) scale(1.1);}
}
.login-wrapper{position:relative;z-index:10;width:100%;max-width:480px;padding:40px 20px;margin:auto;}
.glass-panel{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;padding:40px;box-shadow:0 10px 30px rgba(0,0,0,0.05),inset 0 0 0 1px rgba(255,255,255,0.4);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--text-primary);}
.brand-section{text-align:center;margin-bottom:30px;}
.logo{width:160px;height:auto;margin-bottom:15px;transition:transform .3s ease;}
.logo:hover{transform:scale(1.05);}
.brand-section h1{font-size:24px;font-weight:700;letter-spacing:-0.5px;margin-bottom:5px;}
.brand-section p{font-size:16px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:2px;}
.portal-toggle{display:flex;position:relative;background:rgba(0,0,0,0.05);border-radius:12px;padding:4px;margin-bottom:30px;border:1px solid rgba(0,0,0,0.05);}
.toggle-btn{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:12px 0;font-size:15px;font-weight:600;cursor:pointer;position:relative;z-index:2;transition:color .3s ease;}
.toggle-btn.active{color:var(--primary-color);}
.toggle-slider{position:absolute;top:4px;left:4px;width:calc(50% - 4px);height:calc(100% - 8px);background:#fff;border-radius:8px;z-index:1;transition:transform .4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 2px 8px rgba(0,0,0,0.15);}
body.student-theme .toggle-slider{transform:translateX(100%);}
.login-form{display:flex;flex-direction:column;gap:20px;}
.welcome-text{margin-bottom:10px;}
.welcome-text h2{font-size:22px;font-weight:600;margin-bottom:4px;}
.welcome-text p{font-size:14px;color:var(--text-secondary);}
.input-group{display:flex;flex-direction:column;gap:8px;}
.input-group label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-left:4px;}
.input-wrapper{position:relative;display:flex;align-items:center;background:var(--input-bg);border-radius:12px;border:1px solid rgba(0,0,0,0.1);transition:all .3s ease;overflow:hidden;}
.input-wrapper:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 4px rgba(0,0,0,0.05);}
.input-icon{width:20px;height:20px;color:#888;position:absolute;left:16px;transition:color .3s ease;}
.input-wrapper:focus-within .input-icon{color:var(--primary-color);}
.input-wrapper input{width:100%;padding:14px 16px 14px 48px;border:none;background:transparent;font-size:15px;color:var(--input-text);outline:none;font-weight:500;}
.input-wrapper input::placeholder{color:#aaa;font-weight:400;}
.email-suffix{padding-right:16px;color:#666;font-size:14px;font-weight:500;pointer-events:none;white-space:nowrap;transition:color .3s ease;}
.toggle-password{background:none;border:none;padding:0 16px;cursor:pointer;color:#888;display:flex;align-items:center;justify-content:center;height:100%;transition:color .2s ease;}
.toggle-password:hover{color:var(--primary-color);}
.eye-icon{width:20px;height:20px;}
.form-options{display:flex;justify-content:space-between;align-items:center;margin-top:4px;margin-bottom:10px;}
.remember-me{display:flex;align-items:center;cursor:pointer;font-size:13px;color:var(--text-secondary);user-select:none;}
.remember-me input{position:absolute;opacity:0;cursor:pointer;height:0;width:0;}
.checkmark{height:18px;width:18px;background-color:rgba(0,0,0,0.05);border:1px solid rgba(0,0,0,0.2);border-radius:4px;margin-right:8px;position:relative;transition:all .2s ease;}
.remember-me input:checked ~ .checkmark{background-color:var(--primary-color);border-color:var(--primary-color);}
.checkmark:after{content:"";position:absolute;display:none;left:5px;top:2px;width:4px;height:8px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg);}
.remember-me input:checked ~ .checkmark:after{display:block;}
.forgot-password{color:var(--text-primary);font-size:13px;text-decoration:none;font-weight:500;transition:opacity .2s ease;}
.forgot-password:hover{opacity:.8;text-decoration:underline;}
.submit-btn{background:var(--primary-color);color:white;border:none;border-radius:12px;padding:16px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:8px;transition:all .3s ease;box-shadow:0 4px 15px rgba(0,0,0,0.2);}
.submit-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.3);}
.submit-btn:active{transform:translateY(0);}
.submit-btn svg{transition:transform .3s ease;}
.submit-btn:hover svg{transform:translateX(4px);}
.footer-links{margin-top:30px;text-align:center;font-size:12px;}
.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:var(--text-primary);}
.divider{color:var(--text-secondary);margin:0 8px;opacity:.5;}
.alert-box{padding:12px 16px;border-radius:12px;margin-bottom:20px;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;}
.alert-box.error{background-color:#fee2e2;color:#b91c1c;border:1px solid #fca5a5;}
.alert-box.success{background-color:#dcfce7;color:#15803d;border:1px solid #86efac;}
.links-group{display:flex;align-items:center;}
.text-link{color:var(--primary-color);font-size:13px;text-decoration:none;font-weight:600;transition:opacity .2s ease;}
.text-link:hover{opacity:.8;text-decoration:underline;}
@media(max-width:480px){.glass-panel{padding:30px 20px;}
.brand-section h1{font-size:20px;}
}