:root{--pri:#1a73e8;--pri-d:#1557b0;--pri-l:#e8f0fe;--sec:#ff6f00;--sec-d:#e65100;--ok:#0f9d58;--ok-l:#d4edda;--err:#db4437;--err-l:#f8d7da;--warn:#f4b400;--warn-l:#fff3cd;--dark:#1a1a2e;--dark2:#16213e;--light:#f8f9fa;--gray:#6c757d;--gray-l:#e9ecef;--white:#fff;--shadow:0 2px 12px rgba(0,0,0,.08);--shadow-lg:0 8px 30px rgba(0,0,0,.12);--r:12px;--r-sm:8px;--tr:all .3s ease}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--light);color:#333;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hidden{display:none!important}

/* NAV */
.navbar{background:var(--dark);padding:0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.navbar .container{display:flex;justify-content:space-between;align-items:center;height:64px;position:relative}
.nav-logo{color:var(--white);font-size:1.4rem;font-weight:800;letter-spacing:-.5px}
.nav-logo span{color:var(--sec)}
.nav-links{display:flex;list-style:none;gap:5px;align-items:center}
.nav-links a{color:#ccc;padding:8px 14px;border-radius:var(--r-sm);font-size:.9rem;font-weight:500;transition:var(--tr);white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.1)}
.nav-links .nav-admin{background:var(--pri);color:var(--white)!important;border-radius:20px}
.nav-lang{background:var(--sec);color:var(--white)!important;padding:6px 16px;border-radius:20px;font-weight:600}
.nav-user{color:var(--sec);font-weight:600;white-space:nowrap}
.nav-toggle{display:none;color:var(--white);font-size:1.4rem;cursor:pointer;padding:10px;z-index:1001}

/* HERO */
.hero{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 50%,var(--pri) 100%);color:var(--white);padding:80px 0;position:relative}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,111,0,.15) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero h1{font-size:2.8rem;font-weight:800;margin-bottom:15px;line-height:1.2}
.hero h1 .highlight{color:var(--sec)}
.hero p{font-size:1.15rem;opacity:.85;max-width:650px;margin:0 auto 30px}
.hero-btns{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.hero-btns .btn{min-height:48px;min-width:48px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:30px;font-weight:600;font-size:.95rem;transition:var(--tr);cursor:pointer;border:none;font-family:inherit;white-space:nowrap}
.btn-pri{background:var(--sec);color:var(--white)}
.btn-pri:hover{background:var(--sec-d);transform:translateY(-2px);box-shadow:0 5px 20px rgba(255,111,0,.4)}
.btn-out{border:2px solid var(--white);color:var(--white);background:transparent}
.btn-out:hover{background:var(--white);color:var(--dark)}
.btn-blue{background:var(--pri);color:var(--white)}
.btn-blue:hover{background:var(--pri-d)}
.btn-ok{background:var(--ok);color:var(--white)}
.btn-ok:hover{opacity:.9}
.btn-sm{padding:8px 18px;font-size:.85rem}
.btn-block{width:100%;justify-content:center}
.btn-ghost{background:transparent;color:var(--pri);border:2px solid var(--pri)}
.btn-ghost:hover{background:var(--pri);color:var(--white)}
.btn-danger{background:var(--err);color:var(--white)}
.btn-danger:hover{opacity:.9}

/* STATS */
.stats{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);padding:40px 0;color:var(--white)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.stat{text-align:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:22px 12px;transition:var(--tr);backdrop-filter:blur(4px)}
.stat:hover{background:rgba(255,255,255,.15);transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.3)}
.stat-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:1.2rem}
.stat .num{font-size:1.8rem;font-weight:800;color:var(--white);line-height:1}
.stat .lbl{color:rgba(255,255,255,.7);font-size:.8rem;margin-top:6px;font-weight:500}

/* SECTIONS */
.section{padding:60px 0}
.section-hdr{text-align:center;margin-bottom:40px}
.section-hdr h2{font-size:2rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.section-hdr p{color:var(--gray);font-size:1rem;max-width:600px;margin:0 auto}

/* CARDS */
.grid{display:grid;gap:25px}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--white);border-radius:var(--r);box-shadow:var(--shadow);transition:var(--tr);overflow:hidden}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card-body{padding:25px}

/* CATEGORY CARDS */
.cat-card{text-align:center;border-top:4px solid var(--pri);cursor:pointer}
.cat-card .icon{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 15px;font-size:1.5rem;color:var(--white)}
.cat-card h3{font-size:1.15rem;margin-bottom:6px;color:var(--dark)}
.cat-card p{color:var(--gray);font-size:.85rem}

/* EXAM CARDS */
.exam-card{display:flex;justify-content:space-between;align-items:center;padding:20px 25px}
.exam-card .info{flex:1;min-width:0}
.exam-card .info h3{font-size:1.05rem;color:var(--dark);margin-bottom:4px}
.exam-card .info .cat-name{color:var(--gray);font-size:.8rem}
.exam-meta{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap}
.exam-meta span{font-size:.78rem;color:var(--gray);background:var(--light);padding:3px 10px;border-radius:15px;display:inline-flex;align-items:center;gap:4px}

/* QUIZ */
.quiz-wrap{max-width:800px;margin:0 auto;padding:30px 20px}
.timer-bar{background:var(--white);padding:15px 25px;border-radius:var(--r);box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;position:sticky;top:72px;z-index:100}
.timer{font-size:1.4rem;font-weight:800;color:var(--pri)}
.timer.warn{color:var(--err);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.q-card{background:var(--white);border-radius:var(--r);padding:30px;margin-bottom:20px;box-shadow:var(--shadow)}
.q-num{display:inline-block;background:var(--pri);color:var(--white);padding:4px 14px;border-radius:20px;font-size:.8rem;font-weight:600;margin-bottom:12px}
.q-num.hard{background:var(--err)}
.q-num.easy{background:var(--ok)}
.q-text{font-size:1.05rem;font-weight:600;color:var(--dark);margin-bottom:18px;line-height:1.5;word-wrap:break-word}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:center;gap:12px;padding:12px 16px;border:2px solid var(--gray-l);border-radius:var(--r-sm);cursor:pointer;transition:var(--tr);font-size:.95rem;word-wrap:break-word}
.opt:hover{border-color:var(--pri);background:var(--pri-l)}
.opt input[type=radio]{accent-color:var(--pri);width:18px;height:18px;flex-shrink:0}
.opt.selected{border-color:var(--pri);background:var(--pri-l)}
.opt.correct{border-color:var(--ok);background:var(--ok-l)}
.opt.wrong{border-color:var(--err);background:var(--err-l)}

/* RESULT */
.result-box{background:var(--white);border-radius:var(--r);padding:40px;text-align:center;box-shadow:var(--shadow-lg);max-width:550px;margin:40px auto}
.result-score{font-size:4rem;font-weight:800;line-height:1}
.result-score.pass{color:var(--ok)}
.result-score.fail{color:var(--err)}
.result-label{font-size:1.2rem;font-weight:600;color:var(--dark);margin:10px 0}
.result-stats{display:flex;justify-content:center;gap:30px;margin:20px 0;flex-wrap:wrap}
.result-stat{text-align:center}
.result-stat .val{font-size:1.8rem;font-weight:700}
.result-stat .lbl{font-size:.8rem;color:var(--gray)}

/* FORMS */
.form-box{max-width:480px;margin:40px auto;background:var(--white);padding:40px;border-radius:var(--r);box-shadow:var(--shadow)}
.form-box h2{text-align:center;margin-bottom:25px;color:var(--dark);font-size:1.3rem}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:5px;font-weight:600;font-size:.9rem;color:var(--dark)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:2px solid var(--gray-l);border-radius:var(--r-sm);font-size:.95rem;transition:var(--tr);font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px rgba(26,115,232,.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-link{text-align:center;margin-top:18px;font-size:.9rem;color:var(--gray)}
.form-link a{color:var(--pri);font-weight:600}

/* ALERTS */
.alert{padding:12px 18px;border-radius:var(--r-sm);margin-bottom:20px;font-weight:500;font-size:.9rem;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.alert-success{background:var(--ok-l);color:#155724;border:1px solid #c3e6cb}
.alert-danger{background:var(--err-l);color:#721c24;border:1px solid #f5c6cb}
.alert-warning{background:var(--warn-l);color:#856404;border:1px solid #ffeeba}
.alert-info{background:var(--pri-l);color:#0c5460;border:1px solid #bee5eb}

/* TABLES */
.table-wrap,.admin-table{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r);box-shadow:var(--shadow)}
.admin-table table{min-width:700px}
table{width:100%;border-collapse:collapse;background:var(--white)}
th{background:var(--dark);color:var(--white);padding:12px 16px;text-align:left;font-size:.85rem;font-weight:600;white-space:nowrap}
td{padding:11px 16px;border-bottom:1px solid var(--gray-l);font-size:.9rem;word-break:break-word}
tr:hover{background:var(--light)}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600;white-space:nowrap}
.badge-ok{background:var(--ok-l);color:var(--ok)}
.badge-err{background:var(--err-l);color:var(--err)}
.badge-pri{background:var(--pri-l);color:var(--pri)}
.badge-warn{background:var(--warn-l);color:var(--sec)}

/* FILTER BAR */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:25px;align-items:center}
.filter-bar .btn{font-size:.85rem;padding:7px 16px}

/* SIDEBAR LAYOUT */
.layout{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 64px)}
.sidebar{background:var(--dark);padding:20px 0}
.sidebar .nav-item{display:flex;align-items:center;gap:10px;color:#aaa;padding:12px 25px;font-size:.9rem;transition:var(--tr);border-left:3px solid transparent;white-space:nowrap}
.sidebar .nav-item:hover,.sidebar .nav-item.active{color:var(--white);background:rgba(255,255,255,.05);border-left-color:var(--sec)}
.sidebar .nav-item i{width:20px;text-align:center}
.main-content{padding:30px;overflow-x:hidden}

/* DASHBOARD STAT CARDS */
.dash-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}
.dash-stat{background:var(--white);border-radius:var(--r);padding:25px;box-shadow:var(--shadow);border-left:4px solid var(--pri);overflow:hidden}
.dash-stat h3{font-size:2rem;font-weight:800;color:var(--pri);word-break:break-word}
.dash-stat p{color:var(--gray);font-size:.9rem;margin-top:4px}
.dash-stat.green{border-left-color:var(--ok)}
.dash-stat.green h3{color:var(--ok)}
.dash-stat.red{border-left-color:var(--err)}
.dash-stat.red h3{color:var(--err)}
.dash-stat.orange{border-left-color:var(--sec)}
.dash-stat.orange h3{color:var(--sec)}

/* UTILITY - responsive flex wraps */
.flex-wrap{display:flex;flex-wrap:wrap;gap:10px}
.flex-col{flex-direction:column}
.gap-sm{gap:8px}

/* FORM GRID - responsive 2-col and 3-col */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.form-grid>*:last-child[type=submit],.form-grid>*:last-child>.btn,.form-grid-3>*:last-child[type=submit],.form-grid-3>*:last-child>.btn{grid-column:1/-1}

/* FOOTER */
.footer{background:var(--dark);color:var(--white);padding:50px 0 20px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer h4{color:var(--sec);margin-bottom:15px;font-size:1rem}
.footer p{color:#999;font-size:.9rem;line-height:1.7}
.footer ul{list-style:none}
.footer ul li{margin-bottom:8px}
.footer ul a{color:#999;font-size:.9rem;transition:var(--tr);display:inline-flex;align-items:center;gap:6px}
.footer ul a:hover{color:var(--sec)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#666;font-size:.85rem}

/* ================================================
   RESPONSIVE - LARGE TABLET (1024px)
   ================================================ */
@media(max-width:1024px){
    .container{max-width:100%;padding:0 15px}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .grid-2{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .hero h1{font-size:2.2rem}
    .hero{padding:60px 0}
    .stats-grid{grid-template-columns:repeat(5,1fr);gap:12px}
    .stat{padding:18px 10px}
    .stat .num{font-size:1.6rem}
    .stat-icon{width:42px;height:42px;font-size:1.05rem}
    .dash-stats{grid-template-columns:repeat(3,1fr)}
    .section{padding:40px 0}
    .section-hdr h2{font-size:1.6rem}
    .card-body{padding:20px}
    .form-box{padding:30px}
    .result-box{padding:30px;margin:30px auto}
    .result-score{font-size:3rem}
    .quiz-wrap{padding:20px 15px}
}

/* ================================================
   RESPONSIVE - TABLET (768px)
   ================================================ */
@media(max-width:768px){
    /* NAV */
    .nav-links{display:none}.nav-toggle{display:block}
    .nav-links.show{
        display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
        background:var(--dark);padding:15px;gap:5px;z-index:999;
        box-shadow:0 10px 30px rgba(0,0,0,.3);max-height:calc(100vh - 64px);overflow-y:auto;
        border-top:1px solid rgba(255,255,255,.1);
    }
    .nav-links.show li{width:100%}
    .nav-links.show a,.nav-links.show span{padding:12px 15px;font-size:.95rem;border-radius:var(--r-sm);display:block;width:100%;text-align:left}
    .nav-links.show .btn{width:100%;justify-content:center;text-align:center}
    .nav-links.show .nav-admin{text-align:center}
    .nav-links.show .nav-lang{text-align:center;margin-top:5px}
    .nav-user{padding:12px 15px;display:block;font-size:.95rem}

    /* HERO */
    .hero{padding:40px 0}
    .hero h1{font-size:1.6rem;line-height:1.3}
    .hero p{font-size:.95rem;padding:0 10px}
    .hero-btns{flex-direction:column;align-items:center;gap:12px}
    .hero-btns .btn{width:100%;max-width:300px;justify-content:center;padding:14px 24px;font-size:1rem;min-height:50px}

    /* STATS */
    .stats{padding:30px 0}
    .stats-grid{grid-template-columns:repeat(5,1fr);gap:10px}
    .stat{padding:16px 8px}
    .stat .num{font-size:1.35rem}
    .stat .lbl{font-size:.7rem}
    .stat-icon{width:38px;height:38px;font-size:.95rem;margin-bottom:8px}

    /* SECTIONS */
    .section{padding:30px 0}
    .section-hdr{margin-bottom:25px}
    .section-hdr h2{font-size:1.3rem}
    .section-hdr p{font-size:.9rem}

    /* GRIDS */
    .grid-4,.grid-3{grid-template-columns:1fr}
    .grid-2{grid-template-columns:1fr}

    /* CARDS */
    .card-body{padding:18px}
    .card:hover{transform:none}
    .exam-card{flex-direction:column;align-items:flex-start;gap:12px;padding:18px}
    .exam-meta{gap:8px}
    .exam-meta span{font-size:.72rem;padding:2px 8px}

    /* FILTER BAR */
    .filter-bar{gap:6px;margin-bottom:15px}
    .filter-bar .btn{font-size:.78rem;padding:6px 12px;white-space:nowrap}

    /* FORMS */
    .form-box{margin:20px auto;padding:25px 18px;max-width:100%}
    .form-row{grid-template-columns:1fr}
    .form-grid,.form-grid-3{grid-template-columns:1fr}
    .form-group input,.form-group select,.form-group textarea{font-size:16px}

    /* TABLES */
    .table-wrap{margin:0 -15px;padding:0 15px}
    table{font-size:.8rem}
    th{padding:8px 10px;font-size:.75rem}
    td{padding:8px 10px;font-size:.8rem}

    /* QUIZ */
    .quiz-wrap{padding:15px 10px}
    .timer-bar{padding:12px 15px;position:sticky;top:56px;flex-wrap:wrap;gap:8px}
    .timer{font-size:1.1rem}
    .q-card{padding:18px 15px}
    .q-text{font-size:.95rem}
    .q-num{font-size:.72rem;padding:3px 10px}
    .opt{padding:10px 12px;font-size:.88rem;gap:8px}
    .result-box{padding:25px 15px;margin:20px 10px}
    .result-score{font-size:2.5rem}
    .result-label{font-size:1rem}
    .result-stats{gap:15px;flex-wrap:wrap}
    .result-stat .val{font-size:1.3rem}
    .quiz-result-grid{grid-template-columns:repeat(2,1fr)!important}
    .quiz-perf-grid{grid-template-columns:1fr!important}

    /* FOOTER */
    .footer{padding:30px 0 15px}
    .footer-grid{grid-template-columns:1fr;gap:20px}
    .footer h4{font-size:.9rem;margin-bottom:10px}
    .footer p{font-size:.82rem}
    .footer ul a{font-size:.82rem}
    .footer-bottom{font-size:.75rem;padding-top:15px}

    /* SIDEBAR LAYOUT */
    .layout{grid-template-columns:1fr}
    .sidebar{display:none;position:fixed;top:64px;left:0;bottom:0;width:260px;z-index:999;max-height:calc(100vh - 64px);overflow-y:auto;box-shadow:4px 0 20px rgba(0,0,0,.3)}
    .sidebar.show{display:block}
    .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:998}
    .sidebar-overlay.show{display:block}
    .main-content{padding:15px}

    /* DASHBOARD STATS */
    .dash-stats{grid-template-columns:repeat(2,1fr);gap:10px}
    .dash-stat{padding:15px}
    .dash-stat h3{font-size:1.3rem}
    .dash-stat p{font-size:.8rem}

    /* GRID-2 */
    .grid-2{grid-template-columns:1fr}

    /* BADGES */
    .badge{font-size:.68rem;padding:2px 8px}

    /* ALERTS */
    .alert{font-size:.82rem;padding:10px 14px}
}

/* ================================================
   RESPONSIVE - MOBILE (480px)
   ================================================ */
@media(max-width:480px){
    .hero h1{font-size:1.3rem}
    .hero p{font-size:.85rem}
    .hero-btns .btn{max-width:100%;font-size:.95rem;padding:14px 20px;min-height:48px}
    .stats{padding:25px 0}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
    .stat{padding:16px 10px}
    .stat .num{font-size:1.4rem}
    .stat .lbl{font-size:.72rem}
    .stat-icon{width:40px;height:40px;font-size:.9rem;margin-bottom:8px}
    .btn{padding:10px 20px;font-size:.88rem}
    .btn-sm{padding:7px 14px;font-size:.8rem}

    .container{padding:0 12px}
    .section{padding:25px 0}
    .section-hdr h2{font-size:1.15rem}
    .section-hdr p{font-size:.82rem}

    .dash-stats{grid-template-columns:1fr}
    .dash-stat{padding:12px}
    .dash-stat h3{font-size:1.1rem}
    .dash-stat p{font-size:.75rem}

    .card-body{padding:14px}
    .cat-card .icon{width:50px;height:50px;font-size:1.2rem}
    .cat-card h3{font-size:1rem}

    .form-box{margin:15px auto;padding:20px 15px;border-radius:var(--r-sm)}
    .form-box h2{font-size:1.15rem;margin-bottom:20px}
    .form-group{margin-bottom:14px}
    .form-group label{font-size:.82rem}
    .form-group input,.form-group select,.form-group textarea{padding:11px 12px;font-size:16px}

    table{font-size:.72rem}
    th{padding:6px 8px;font-size:.7rem}
    td{padding:6px 8px;font-size:.73rem}

    .badge{font-size:.65rem;padding:2px 6px}

    .filter-bar{gap:4px;margin-bottom:12px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px;-webkit-overflow-scrolling:touch}
    .filter-bar .btn{font-size:.72rem;padding:5px 10px;flex-shrink:0}

    .quiz-wrap{padding:10px 8px}
    .timer-bar{padding:10px 12px;position:sticky;top:56px}
    .timer{font-size:1rem}
    .q-card{padding:14px 12px;margin-bottom:12px}
    .q-text{font-size:.9rem}
    .opt{padding:9px 10px;font-size:.82rem;gap:6px}
    .result-box{padding:20px 12px;margin:15px 8px}
    .result-score{font-size:2.2rem}
    .result-label{font-size:.9rem}

    .footer{padding:25px 0 12px}
    .footer-grid{gap:15px;margin-bottom:20px}
    .footer h4{font-size:.85rem}
    .footer p{font-size:.78rem;line-height:1.5}
    .footer ul a{font-size:.78rem}

    .sp-stat-row{grid-template-columns:repeat(2,1fr)}
    .sp-stat-card{padding:12px}
    .sp-stat-card h4{font-size:1.3rem}
    .sp-quick-actions{grid-template-columns:repeat(3,1fr);gap:8px}
    .sp-quick-btn{padding:12px 8px}
    .sp-quick-btn .icon{width:40px;height:40px;font-size:1rem}
    .sp-quick-btn span{font-size:.72rem}
    .sp-card{padding:14px}
    .sp-card h3{font-size:.95rem}
    .sp-topbar h2{font-size:1rem}
    .sp-topbar .breadcrumb{font-size:.7rem}
    .sp-mini-card{padding:12px;flex-direction:column;align-items:flex-start;gap:8px}
    .sp-tabs{gap:3px}
    .sp-tab{padding:5px 10px;font-size:.72rem}
}

/* ================================================
   RESPONSIVE - TINY MOBILE (360px)
   ================================================ */
@media(max-width:360px){
    .hero h1{font-size:1.15rem}
    .hero p{font-size:.8rem}
    .hero-btns .btn{max-width:100%;font-size:.9rem;padding:12px 18px}
    .stats{padding:20px 0}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}
    .stat{padding:14px 8px}
    .stat .num{font-size:1.2rem}
    .stat .lbl{font-size:.65rem}
    .stat-icon{width:34px;height:34px;font-size:.8rem;margin-bottom:6px}
    .section-hdr h2{font-size:1.05rem}
    .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
    .card-body{padding:12px}
    .cat-card .icon{width:45px;height:45px;font-size:1.1rem}
    .cat-card h3{font-size:.9rem}
    .cat-card p{font-size:.78rem}
    .exam-card{padding:14px}
    .exam-card .info h3{font-size:.92rem}
    .exam-meta span{font-size:.68rem;padding:2px 6px}
    .btn{padding:9px 16px;font-size:.82rem}
    .btn-sm{padding:6px 12px;font-size:.75rem}
    .form-box{padding:16px 12px}
    .form-box h2{font-size:1.05rem}
    .dash-stats{grid-template-columns:1fr}
    .sp-stat-row{grid-template-columns:1fr 1fr}
    .sp-quick-actions{grid-template-columns:repeat(3,1fr);gap:5px}
    .sp-quick-btn{padding:10px 4px}
    .sp-quick-btn .icon{width:36px;height:36px;font-size:.9rem}
    .sp-quick-btn span{font-size:.65rem}
    .sp-card{padding:12px}
    .sp-card h3{font-size:.88rem}
    .sp-topbar{flex-direction:column;gap:10px;align-items:flex-start}
    .sp-topbar .btn{width:100%;justify-content:center}
    .timer-bar{font-size:.8rem;flex-direction:column;text-align:center}
}

/* EYE TOGGLE - modern design, button inside input */
.pw-wrap{width:100%;display:flex!important;align-items:stretch;border:1.5px solid #d1d5db;border-radius:10px;background:#fff;overflow:hidden;transition:all .25s ease}
.pw-wrap:hover{border-color:#9ca3af}
.pw-wrap:focus-within{border-color:var(--pri);box-shadow:0 0 0 3px rgba(26,115,232,.12)}
.pw-wrap input[type="password"],
.pw-wrap input[type="text"]{width:100%!important;border:none!important;outline:none;padding:11px 14px!important;font-size:.95rem!important;background:transparent;flex:1;min-width:0;font-family:inherit;color:var(--dark)}
.pw-wrap input::placeholder{color:#9ca3af}
.pw-wrap .pw-eye{width:46px;min-width:46px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;cursor:pointer;color:#9ca3af;font-size:1.05rem;transition:all .2s ease;flex-shrink:0;border-radius:0 8px 8px 0;margin:4px}
.pw-wrap .pw-eye:hover{color:var(--pri);background:rgba(26,115,232,.06)}
.pw-wrap .pw-eye:active{transform:scale(.9)}
.pw-wrap .pw-eye:focus{outline:none}
.pw-wrap .pw-eye i{transition:transform .2s ease}
.pw-wrap .pw-eye:hover i{transform:scale(1.1)}

/* LOGIN ERROR - modern shake animation */
.login-error{display:flex;align-items:center;gap:14px;padding:14px 16px;background:linear-gradient(135deg,#fef2f2,#fde8e8);border:1px solid #fca5a5;border-radius:12px;margin-bottom:18px;animation:loginShake .5s ease,fadeInError .3s ease;transition:opacity .3s ease}
.login-error-icon{width:42px;height:42px;min-width:42px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:50%;font-size:1.1rem;box-shadow:0 4px 12px rgba(239,68,68,.3)}
.login-error-text{flex:1;display:flex;flex-direction:column;gap:2px}
.login-error-text strong{font-size:.88rem;color:#991b1b;letter-spacing:-.2px}
.login-error-text span{font-size:.8rem;color:#b91c1c;line-height:1.4}
.login-error-close{background:none;border:none;color:#dc2626;cursor:pointer;padding:6px;border-radius:8px;transition:all .2s;font-size:.9rem;flex-shrink:0}
.login-error-close:hover{background:rgba(220,38,38,.1);transform:scale(1.1)}
@keyframes loginShake{0%,100%{transform:translateX(0)}10%,30%,50%,70%,90%{transform:translateX(-4px)}20%,40%,60%,80%{transform:translateX(4px)}}
@keyframes fadeInError{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ADMIN RESPONSIVE */
@media(max-width:768px){
    .admin-table table{min-width:600px}
    .page-header{flex-direction:column;align-items:flex-start!important}
    .page-header .btn,.page-header button{width:100%;justify-content:center}
}
@media(max-width:480px){
    .admin-table table{min-width:500px;font-size:.78rem}
    .admin-table th,.admin-table td{padding:8px 10px}
    .dash-stat h3{font-size:1.1rem}
    .dash-stat{padding:14px}
}