:root{--font-heading: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--bg-dark: #0f172a;--bg-card: rgba(30, 41, 59, .7);--bg-card-hover: rgba(51, 65, 85, .8);--bg-glass: rgba(15, 23, 42, .65);--border-glass: rgba(255, 255, 255, .1);--border-glow: rgba(99, 102, 241, .3);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--primary: #6366f1;--primary-hover: #4f46e5;--primary-glow: rgba(99, 102, 241, .4);--accent-star: #f59e0b;--accent-star-glow: rgba(245, 158, 11, .4);--accent-line: #06b6d4;--accent-line-glow: rgba(6, 182, 212, .4);--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, .37)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-dark);background-image:radial-gradient(at 0% 0%,rgba(99,102,241,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(245,158,11,.12) 0px,transparent 50%),radial-gradient(at 50% 50%,rgba(6,182,212,.1) 0px,transparent 50%);background-attachment:fixed;color:var(--text-main);min-height:100vh;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,.brand-text{font-family:var(--font-heading);font-weight:700;letter-spacing:-.02em}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-glow);transition:all var(--transition-normal)}.glass-panel:hover{border-color:#fff3}.glass-card{background:#1e293b80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:20px;transition:all var(--transition-normal)}.glass-card:hover{transform:translateY(-4px);background:var(--bg-card-hover);border-color:var(--primary-glow);box-shadow:0 12px 24px -10px var(--primary-glow)}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:30px 20px}.navbar{position:sticky;top:0;z-index:100;background:#0f172ae6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-glass);padding:10px 24px}.navbar-inner{max-width:1360px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:nowrap}.navbar-brand-group{display:flex;align-items:center;gap:14px;flex-shrink:0}.brand{display:inline-flex;align-items:center;gap:8px;font-size:1.25rem;font-weight:800;white-space:nowrap;flex-shrink:0;cursor:pointer;background:linear-gradient(135deg,#a5b4fc,#38bdf8,#fef08a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;-webkit-user-select:none;user-select:none}.brand-icon{flex-shrink:0}.brand-text{white-space:nowrap;letter-spacing:.5px}.class-selector-wrapper{display:flex;align-items:center;gap:6px;background:#1e293bb3;border:1px solid var(--border-glass);padding:4px 10px;border-radius:var(--radius-sm);flex-shrink:0}.class-selector-label{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.class-select-input{background:transparent;border:none;outline:none;color:var(--text-main);font-size:.88rem;font-weight:600;cursor:pointer;white-space:nowrap}.class-select-input option{background:#1e293b;color:#fff}.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex-shrink:1}.nav-link{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;font-size:.88rem;white-space:nowrap;flex-shrink:0;transition:all var(--transition-fast)}.nav-link:hover{color:#fff;background:#ffffff14}.nav-link.active{color:#38bdf8;background:#38bdf81f;border:1px solid rgba(56,189,248,.25)}.navbar-right-group{display:flex;align-items:center;gap:12px;flex-shrink:0}.user-profile-badge{display:flex;align-items:center;gap:10px;white-space:nowrap}.user-name{font-size:.88rem;color:var(--text-muted);font-weight:500;white-space:nowrap}.btn-sm{padding:5px 12px!important;font-size:.85rem!important;white-space:nowrap;gap:5px!important}.mobile-toggle-btn{display:none;background:#ffffff0f;border:1px solid var(--border-glass);color:var(--text-main);padding:6px 10px;border-radius:var(--radius-sm);align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}.mobile-toggle-btn:hover{background:#ffffff1f}.mobile-menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;display:flex;justify-content:flex-end;animation:fadeIn .2s ease-out}.mobile-menu-drawer{width:290px;max-width:85vw;height:100%;background:#0f172a;border-left:1px solid var(--border-glass);padding:24px 20px;display:flex;flex-direction:column;gap:20px;box-shadow:-10px 0 30px #00000080;overflow-y:auto;animation:slideLeft .25s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideLeft{0%{transform:translate(100%)}to{transform:translate(0)}}.mobile-drawer-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--border-glass)}.mobile-close-btn{background:transparent;color:var(--text-muted);border:none;padding:4px;cursor:pointer;display:flex;align-items:center;justify-content:center}.mobile-close-btn:hover{color:#fff}.mobile-class-select{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--text-muted)}.mobile-nav-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.mobile-nav-link{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;font-size:.95rem;transition:all var(--transition-fast)}.mobile-nav-link:hover,.mobile-nav-link.active{background:#ffffff14;color:#fff}.mobile-nav-link.active{color:#38bdf8;background:#38bdf826;border:1px solid rgba(56,189,248,.2)}.mobile-drawer-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border-glass);display:flex;flex-direction:column;gap:14px}.mobile-user-info{font-size:.88rem;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;transition:all var(--transition-normal);box-shadow:0 4px 12px #0003}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#4338ca 100%);color:#fff}.btn-primary:hover{background:linear-gradient(135deg,#4f46e5,#3730a3);transform:translateY(-2px);box-shadow:0 6px 20px var(--primary-glow)}.btn-star{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.btn-star:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px var(--accent-star-glow)}.btn-line{background:linear-gradient(135deg,#06b6d4,#0891b2);color:#fff}.btn-line:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px var(--accent-line-glow)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{opacity:.9;transform:translateY(-2px)}.btn-secondary{background:#ffffff14;color:var(--text-main);border:1px solid var(--border-glass)}.btn-secondary:hover{background:#ffffff26}.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.form-label{font-size:.9rem;font-weight:500;color:var(--text-muted)}.form-input,.form-select{width:100%;padding:12px 16px;background:#0f172acc;border:1px solid var(--border-glass);border-radius:var(--radius-sm);color:#fff;font-size:1rem;outline:none;transition:all var(--transition-fast)}.form-input:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:20px}.student-card{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:180px}.student-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary),0 10px 25px -5px var(--primary-glow);background:#6366f11f}.point-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;font-weight:700;font-size:.95rem}.point-badge.stars{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.point-badge.lines{background:#06b6d426;color:#22d3ee;border:1px solid rgba(6,182,212,.3)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{width:100%;max-width:500px;padding:28px}.db-status-banner{display:flex;align-items:center;justify-content:space-between;padding:6px 20px;font-size:.82rem;background:#10b9811a;border-bottom:1px solid rgba(16,185,129,.2);color:#34d399;flex-wrap:wrap;gap:8px}.db-status-banner.mock{background:#f59e0b1a;border-bottom-color:#f59e0b33;color:#fbbf24}@keyframes floatUp{0%{transform:translateY(0) scale(.8);opacity:0}50%{opacity:1}to{transform:translateY(-40px) scale(1.3);opacity:0}}.floating-icon{position:absolute;pointer-events:none;font-size:2.5rem;animation:floatUp .8s ease-out forwards}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#334155;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#475569}@media (max-width: 1240px){.nav-link{padding:6px 8px;font-size:.83rem;gap:4px}.brand{font-size:1.15rem}}@media (max-width: 1040px){.desktop-nav,.user-profile-badge{display:none!important}.mobile-toggle-btn{display:inline-flex!important}}@media (max-width: 640px){.navbar{padding:8px 14px}.brand{font-size:1.05rem}.class-selector-wrapper{padding:3px 6px;gap:4px}.class-selector-label{display:none}.class-select-input{font-size:.8rem}.db-status-banner{padding:6px 12px;font-size:.78rem}}.slip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.guardian-slip{background:#fff;color:#1e293b;border:1.5px dashed #94a3b8;border-radius:12px;padding:16px 18px;display:flex;flex-direction:column;gap:10px;break-inside:avoid;page-break-inside:avoid}.slip-header{display:flex;justify-content:space-between;align-items:baseline;font-size:.95rem;border-bottom:1px solid #e2e8f0;padding-bottom:8px}.slip-header span{color:#475569;font-size:.85rem}.slip-body{display:flex;gap:14px;align-items:center}.slip-qr img,.slip-qr-placeholder{width:112px;height:112px;display:block}.slip-qr-placeholder{background:#f1f5f9;border-radius:6px}.slip-info{display:flex;flex-direction:column;gap:2px;min-width:0}.slip-student{font-weight:700;font-size:1.05rem;margin-bottom:6px}.slip-code-label{font-size:.75rem;color:#64748b}.slip-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.35rem;font-weight:700;letter-spacing:.06em}.slip-expiry{font-size:.8rem;color:#475569;margin-top:4px}.slip-steps{margin:0;padding-left:20px;font-size:.82rem;line-height:1.6;color:#334155}.slip-footer{font-size:.72rem;color:#64748b;border-top:1px solid #e2e8f0;padding-top:8px;line-height:1.5}.guardian-badge{display:inline-block;font-size:.78rem;padding:3px 9px;border-radius:10px;margin-right:4px;white-space:nowrap}.guardian-badge.active{background:#10b98126;color:#34d399}.guardian-badge.pending{background:#f59e0b26;color:#fbbf24}.guardian-badge.code{background:#6366f126;color:#a5b4fc}.guardian-badge.none{background:#94a3b81f;color:var(--text-muted)}@media print{@page{size:A4;margin:10mm}body{background:#fff!important}.navbar,.db-status-banner,.no-print{display:none!important}.app-container,.main-content{padding:0!important;margin:0!important;background:none!important}.slip-grid{grid-template-columns:1fr 1fr;gap:8mm}.guardian-slip{border-color:#64748b}}