:root{--bg-dark: #09111e;--bg-gradient: radial-gradient(circle at 50% 0%, #102038 0%, #09111e 80%);--glass-bg: rgba(14, 25, 45, .75);--glass-bg-hover: rgba(20, 36, 64, .85);--glass-border: rgba(234, 195, 76, .22);--glass-border-bright: rgba(234, 195, 76, .55);--accent-gold: #eac34c;--accent-gold-glow: 0 0 20px rgba(234, 195, 76, .3);--accent-green: #10b981;--accent-cyan: #0284c7;--btn-gradient: linear-gradient(135deg, #eac34c 0%, #d4af37 100%);--btn-gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--card-radius: 20px;--pill-radius: 9999px;--sidebar-width: 260px;--bottom-bar-height: 72px;--font-heading: "Outfit", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif}[data-theme=blue-gold]{--bg-dark: #09111e;--bg-gradient: radial-gradient(circle at 50% 0%, #102038 0%, #09111e 80%);--glass-bg: rgba(14, 25, 45, .75);--glass-bg-hover: rgba(20, 36, 64, .85);--glass-border: rgba(234, 195, 76, .22);--glass-border-bright: rgba(234, 195, 76, .55);--accent-gold: #eac34c;--accent-gold-glow: 0 0 20px rgba(234, 195, 76, .3);--accent-green: #10b981;--accent-cyan: #0284c7;--btn-gradient: linear-gradient(135deg, #eac34c 0%, #ca8a04 100%);--text-main: #f8fafc;--text-muted: #94a3b8}[data-theme=avocado]{--bg-dark: #09120a;--bg-gradient: radial-gradient(circle at 50% 0%, #162919 0%, #09120a 80%);--glass-bg: rgba(18, 33, 21, .7);--glass-bg-hover: rgba(26, 48, 30, .85);--glass-border: rgba(164, 224, 68, .22);--glass-border-bright: rgba(164, 224, 68, .55);--accent-gold: #a4e044;--accent-gold-glow: 0 0 20px rgba(164, 224, 68, .3);--accent-green: #78c850;--accent-cyan: #4ade80;--btn-gradient: linear-gradient(135deg, #a4e044 0%, #66a826 100%);--text-main: #f3f9f2;--text-muted: #a1b89e}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-dark);background-image:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);font-family:var(--font-body);min-height:100vh;overflow-x:hidden;transition:background-color .4s ease,color .4s ease}.app-viewport{width:100%;min-height:100vh;display:flex;flex-direction:column}@media(min-width:768px){.app-viewport{flex-direction:row}}.desktop-sidebar{display:none}@media(min-width:768px){.desktop-sidebar{display:flex;flex-direction:column;width:var(--sidebar-width);height:100vh;position:sticky;top:0;background:#09111ee0;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--glass-border);padding:24px 18px;z-index:50}.sidebar-brand{display:flex;align-items:center;gap:12px;margin-bottom:36px;padding-left:6px}.sidebar-logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#eac34c33,#10b98133);border:1px solid var(--accent-gold);box-shadow:var(--accent-gold-glow);display:flex;align-items:center;justify-content:center;color:var(--accent-gold)}.sidebar-menu{display:flex;flex-direction:column;gap:8px;flex:1}.sidebar-item{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:14px;color:var(--text-muted);font-family:var(--font-heading);font-weight:600;font-size:.95rem;background:none;border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-align:left}.sidebar-item:hover{background:#ffffff0a;color:#fff}.sidebar-item.active{background:#eac34c14;border-color:#eac34c59;color:var(--accent-gold);box-shadow:0 4px 20px #eac34c1f}.sidebar-item.active svg{stroke:var(--accent-gold)}.sidebar-footer{padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}}.app-main-wrapper{flex:1;display:flex;flex-direction:column;min-height:100vh;max-width:100%}.app-header{position:sticky;top:0;z-index:40;padding:16px 24px;background:#09111ed9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between}@media(min-width:768px){.app-header .brand-badge{display:none}}.brand-badge{display:flex;align-items:center;gap:10px}.brand-logo-icon{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#eac34c33,#10b98133);border:1px solid var(--accent-gold);box-shadow:var(--accent-gold-glow);display:flex;align-items:center;justify-content:center;color:var(--accent-gold)}.brand-title{font-family:var(--font-heading);font-weight:800;font-size:1.25rem;letter-spacing:.5px;background:linear-gradient(90deg,#ffffff 0%,var(--accent-gold) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.brand-tag{font-size:.65rem;color:var(--accent-green);font-weight:600;letter-spacing:1px;text-transform:uppercase}.theme-selector-pill{background:#ffffff0d;border:1px solid var(--glass-border);border-radius:var(--pill-radius);padding:6px 12px;color:var(--text-main);font-size:.8rem;font-weight:600;outline:none;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s ease}.theme-selector-pill:hover{border-color:var(--accent-gold)}.status-pill{padding:6px 14px;border-radius:var(--pill-radius);background:#10b9811a;border:1px solid rgba(16,185,129,.3);font-size:.8rem;font-weight:600;color:var(--accent-green);display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-green);box-shadow:0 0 8px var(--accent-green);animation:pulse-dot 2s infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.main-content{flex:1;padding:24px;max-width:1400px;width:100%;margin:0 auto;padding-bottom:calc(var(--bottom-bar-height) + 40px)}@media(min-width:768px){.main-content{padding-bottom:40px}}.glass-card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--card-radius);padding:24px;margin-bottom:24px;box-shadow:0 10px 35px #00000073;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.glass-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(234,195,76,.3),transparent)}.desktop-grid-2{display:grid;grid-template-columns:1fr;gap:24px}@media(min-width:992px){.desktop-grid-2{grid-template-columns:2fr 1fr}}.desktop-grid-3{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:768px){.desktop-grid-3{grid-template-columns:repeat(3,1fr)}}.student-grid{display:grid;grid-template-columns:1fr;gap:12px}@media(min-width:768px){.student-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1200px){.student-grid{grid-template-columns:repeat(3,1fr)}}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.section-title{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px}.section-subtitle{font-size:.85rem;color:var(--text-muted)}.cyber-input{width:100%;background:#08101ed9;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 18px;color:#fff;font-family:var(--font-body);font-size:.95rem;outline:none;transition:all .2s ease}.cyber-input:focus{border-color:var(--accent-gold);box-shadow:var(--accent-gold-glow);background:#0c182df2}.cyber-btn{padding:14px 22px;border-radius:14px;border:none;font-family:var(--font-heading);font-size:.95rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:all .25s ease;white-space:nowrap}.cyber-btn-primary{background:var(--btn-gradient);color:#1a1402;box-shadow:0 4px 20px #eac34c59}.cyber-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #eac34c80}.cyber-btn-glass{background:#ffffff0f;border:1px solid rgba(255,255,255,.15);color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cyber-btn-glass:hover{background:#ffffff1f;border-color:var(--accent-gold);color:var(--accent-gold)}.student-card{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:16px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);transition:all .2s ease}.student-card:hover{background:#eac34c0a;border-color:#eac34c59;transform:translateY(-2px)}.student-avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#eac34c33,#10b98133);border:1px solid rgba(234,195,76,.4);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:700;color:var(--accent-gold);font-size:1.1rem}.student-info{flex:1;margin-left:14px}.student-name{font-weight:600;font-size:1rem;color:#fff}.student-meta{font-size:.78rem;color:var(--text-muted);display:flex;align-items:center;gap:8px;margin-top:4px;flex-wrap:wrap}.badge-tag{font-size:.7rem;padding:3px 9px;border-radius:6px;font-weight:600}.badge-male{background:#0284c72e;color:#38bdf8;border:1px solid rgba(2,132,199,.35)}.badge-female{background:#ec48992e;color:#f472b6;border:1px solid rgba(236,72,153,.35)}.badge-enriched{background:#10b9812e;color:var(--accent-green);border:1px solid rgba(16,185,129,.35)}.badge-basic{background:#eac34c2e;color:var(--accent-gold);border:1px solid rgba(234,195,76,.35)}.qr-card-container{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 16px}.qr-frame{width:200px;height:200px;background:#fff;border-radius:24px;padding:16px;box-shadow:var(--accent-gold-glow),0 10px 30px #00000080;border:2px solid var(--accent-gold);display:flex;align-items:center;justify-content:center;margin-bottom:20px}.serial-code-badge{font-family:monospace;font-size:1rem;font-weight:700;letter-spacing:1.5px;padding:10px 20px;border-radius:var(--pill-radius);background:#eac34c1f;border:1px solid var(--accent-gold);color:var(--accent-gold);margin-bottom:12px}.bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:var(--bottom-bar-height);background:#09111ee0;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-around;z-index:50;padding:0 10px}@media(min-width:768px){.bottom-nav{display:none}}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-muted);font-size:.72rem;font-weight:600;background:none;border:none;cursor:pointer;padding:8px 12px;border-radius:12px;transition:all .2s ease}.nav-item.active{color:var(--accent-gold)}.nav-item.active svg{stroke:var(--accent-gold)}.fab-btn{position:fixed;bottom:calc(var(--bottom-bar-height) + 20px);right:20px;width:58px;height:58px;border-radius:50%;background:var(--btn-gradient);border:2px solid rgba(255,255,255,.3);box-shadow:0 10px 25px #eac34c73;display:flex;align-items:center;justify-content:center;color:#1a1402;cursor:pointer;z-index:45;transition:transform .2s ease}@media(min-width:768px){.fab-btn{display:none}}.fab-btn:active{transform:scale(.92)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#040810d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:100;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease;padding:20px}.modal-overlay.open{opacity:1;pointer-events:auto}.modal-card{width:100%;max-width:520px;background:#0c1628f2;border:1px solid var(--accent-gold);border-radius:24px;padding:28px;box-shadow:0 20px 50px #000c;transform:scale(.95);transition:transform .3s cubic-bezier(.4,0,.2,1)}.modal-overlay.open .modal-card{transform:scale(1)}