@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{--ink:#061b3a;--blue:#0b57d0;--cyan:#25d9ff;--soft:#effcff;--card:#ffffff;--line:#b8ecff;--muted:#475569;--danger:#ef4444;--warn:#f59e0b;--safe:#22c55e}
body{min-height:100vh;background:linear-gradient(135deg,#eefcff,#fff,#e8f7ff);color:var(--ink);font-family:'Montserrat',Arial,sans-serif}

.navbar{background:rgba(255,255,255,.82);backdrop-filter:blur(12px);padding:18px 34px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 8px 28px rgba(0,120,200,.10);position:sticky;top:0;z-index:10}
.logo{color:var(--blue);font-size:26px;font-weight:900;text-shadow:0 0 12px rgba(37,217,255,.55)}
.nav-links a{color:var(--blue);text-decoration:none;font-weight:800}

.home-page{min-height:100vh;display:grid;grid-template-columns:minmax(260px,34%) minmax(320px,40%) minmax(230px,26%);gap:18px;align-items:center;padding:36px 22px;overflow:hidden}
.main-logo{font-size:clamp(34px,3.4vw,46px);letter-spacing:1px;font-weight:900;color:var(--ink);text-transform:none;position:relative;animation:ledPulse 2.2s infinite alternate;text-shadow:0 0 6px #fff,0 0 14px var(--cyan),0 0 26px rgba(37,217,255,.7)}
.main-logo::after{content:"";display:block;width:min(285px,90%);height:5px;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--cyan));border-radius:999px;margin:14px 0 30px;box-shadow:0 0 20px var(--cyan);animation:scanLine 2.8s linear infinite}
.blue-line{display:none}
.main-title{font-size:clamp(21px,2.25vw,29px);line-height:1.28;font-weight:900;letter-spacing:.3px;color:var(--ink);text-shadow:0 0 9px rgba(37,217,255,.22)}
.stats-row{display:flex;justify-content:center;gap:10px;margin-bottom:46px;flex-wrap:nowrap}.stat-item{text-align:center;padding:0 10px;border-right:2px solid #d5e5ec}.stat-item:last-child{border-right:0}.stat-item h2{color:#1976ff;font-size:clamp(23px,2.4vw,34px);white-space:nowrap;text-shadow:0 0 12px rgba(25,118,255,.35)}.stat-item p,.arch-row p{font-weight:900;font-size:13px}.architecture{text-align:center}.architecture h3{margin-bottom:22px;font-size:clamp(19px,1.9vw,24px);font-weight:900}.arch-row{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}.arch-row div{text-align:center;min-width:70px}.arch-row span{font-size:30px}.right-block{width:100%;max-width:270px;justify-self:center}.right-block h3{text-align:center;margin-bottom:16px;color:var(--blue);font-size:21px;font-weight:900}.login-btn{display:block;text-decoration:none;text-align:center;padding:14px 9px;margin-bottom:13px;border-radius:16px;background:linear-gradient(180deg,#fff,#f0fbff);border:1px solid var(--line);color:var(--ink);font-weight:900;font-size:15px;box-shadow:0 0 18px rgba(0,174,255,.15);transition:.25s;white-space:nowrap}.login-btn:hover{transform:translateY(-3px);box-shadow:0 0 28px rgba(0,174,255,.3);color:var(--blue)}
@keyframes ledPulse{from{filter:brightness(1)}to{filter:brightness(1.22)}}@keyframes scanLine{0%{background-position:0 0}100%{background-position:285px 0}}

.container.small{max-width:1080px;margin:32px auto;padding:18px}.login-card,.survey-card,.panel-card{background:rgba(255,255,255,.94);border-radius:30px;padding:32px;border:1px solid #ccefff;box-shadow:0 18px 42px rgba(0,120,200,.13)}.login-card{max-width:760px;margin:0 auto}.login-card h1,.survey-card h1,.section-title{text-align:center;color:var(--blue);margin-bottom:14px;font-size:clamp(26px,3vw,36px);font-weight:900}.login-card p,.survey-card p{text-align:center;color:var(--muted);margin-bottom:18px;font-weight:700}.login-card label,.survey-card label{display:block;margin-top:15px;margin-bottom:7px;font-weight:900;color:var(--ink)}.login-card input,.login-card select,.login-card textarea,.survey-card input,.survey-card select,.survey-card textarea{width:100%;padding:15px;border-radius:14px;border:1px solid var(--line);font-size:16px;background:#fff;color:var(--ink);font-family:Arial,sans-serif}.login-card textarea,.survey-card textarea{min-height:170px;resize:vertical;line-height:1.55}.login-card button,button{width:100%;margin-top:22px;padding:16px;border:0;border-radius:16px;background:linear-gradient(135deg,#27c7ff,#0b57d0);color:#fff;font-size:17px;font-weight:900;cursor:pointer;box-shadow:0 0 18px rgba(11,87,208,.25)}button:hover{filter:brightness(1.05)}
.qr-box{margin:24px auto 10px;padding:20px;text-align:center;background:linear-gradient(180deg,#fff,#f0fbff);border:1px solid var(--line);border-radius:22px;box-shadow:0 0 20px rgba(0,174,255,.13);max-width:360px}.qr-box h3{color:var(--blue);margin-bottom:14px}.qr-box img{width:180px;height:180px}.qr-box p{margin-top:10px;color:var(--muted);font-size:14px}
.page{min-height:calc(100vh - 74px);display:flex;align-items:center;justify-content:center;padding:28px}.survey-card{width:100%;max-width:1100px}.student-info{padding:15px;border-radius:16px;background:#f0fbff;border:1px solid var(--line);font-weight:900;text-align:center;margin:15px 0 20px}.question{margin-top:14px;padding:16px;border-radius:18px;background:#f5fcff;border:1px solid #d7efff}.question p{text-align:left;font-weight:900;color:#07111f;margin-bottom:8px}.question select{margin-top:8px}#result{margin-top:24px;padding:22px;border-radius:20px;background:#ecfdf5;border:1px solid #86efac;color:#14532d;font-weight:800;line-height:1.55}

.dashboard-head{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}.dash-card{background:linear-gradient(180deg,#fff,#f0fbff);border-radius:22px;padding:20px;border:1px solid var(--line);text-align:center;box-shadow:0 0 18px rgba(0,174,255,.12)}.dash-card h3{color:var(--blue);margin-bottom:8px;font-size:16px}.dash-card h2{color:var(--ink);font-size:28px}.dash-card p{color:var(--muted);font-weight:700}.prediction{border-left:6px solid var(--blue);text-align:left}.prediction h3{text-align:left}.table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 0 20px rgba(0,174,255,.11)}table{width:100%;border-collapse:collapse;min-width:850px}th,td{padding:13px 12px;border-bottom:1px solid #e5f6ff;text-align:left;font-family:Arial,sans-serif}th{background:#f0fbff;color:var(--blue);font-weight:900}td{color:#0f172a}.badge{display:inline-block;padding:6px 10px;border-radius:999px;color:#fff;font-weight:800;font-size:12px}.high{background:var(--danger)}.medium{background:var(--warn)}.low{background:var(--safe)}.chart-box{margin-top:20px;display:grid;gap:12px}.bar-row{display:grid;grid-template-columns:120px 1fr 50px;gap:10px;align-items:center}.bar{height:18px;border-radius:999px;background:#e0f2fe;overflow:hidden}.bar span{display:block;height:100%;background:linear-gradient(90deg,#27c7ff,#0b57d0);border-radius:999px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.toolbar button{width:auto;margin:0;padding:11px 16px}.note{color:#64748b;font-size:14px;text-align:center;margin:10px 0 0}
@media(max-width:980px){.home-page{grid-template-columns:1fr;overflow:visible}.stats-row{flex-wrap:wrap}.right-block{max-width:100%}.login-btn{font-size:16px}.navbar{padding:16px 18px}.logo{font-size:22px}.main-title{font-size:24px}.main-logo{font-size:38px}.page{padding:16px}.login-card,.survey-card{padding:22px}.bar-row{grid-template-columns:90px 1fr 42px}}