@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";
:root{--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#dbeafe;--accent:#f97316;--accent-hover:#ea580c;--accent-light:#ffedd5;--success:#10b981;--success-light:#d1fae5;--error:#ef4444;--error-light:#fee2e2;--bg-color:#f8fafc;--surface:#fff;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #3b82f61a,0 2px 4px -1px #3b82f60f;--shadow-lg:0 10px 15px -3px #3b82f61a,0 4px 6px -2px #3b82f60d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif}.layout-wrapper{flex-direction:column;min-height:100dvh;display:flex}.app-header{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);padding:1rem 1.5rem}.header-content{justify-content:space-between;align-items:center;max-width:800px;margin:0 auto;display:flex}.logo-group{color:var(--primary);align-items:center;gap:.5rem;display:flex}.icon-logo{width:28px;height:28px}.app-header h1{color:var(--text-main);letter-spacing:-.025em;font-size:1.25rem;font-weight:700}.user-badge{background:var(--bg-color);color:var(--text-muted);border-radius:999px;align-items:center;gap:1rem;padding:.25rem;font-size:.875rem;display:flex}.user-email{font-weight:500;display:none}@media (min-width:600px){.user-email{display:block}.user-badge{padding:.25rem .25rem .25rem 1rem}}.main-content{flex:1;justify-content:center;align-items:center;padding:2rem 1rem;display:flex}.glass-card{background:var(--surface);width:100%;max-width:540px;box-shadow:var(--shadow-lg);border:1px solid #ffffff80;border-radius:16px;overflow:hidden}.step-content{padding:2.5rem}.step-header{align-items:center;gap:1rem;margin-bottom:.75rem;display:flex}.step-badge{background:var(--primary-light);color:var(--primary);border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1rem;font-weight:700;display:flex}.step-header h2{font-size:1.5rem;font-weight:600}.subtitle{color:var(--text-muted);margin-bottom:2rem;font-size:.95rem;line-height:1.5}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}.select-wrapper{position:relative}.select-wrapper:after{content:"▼";color:var(--text-muted);pointer-events:none;font-size:.75rem;position:absolute;top:50%;right:1rem;transform:translateY(-50%)}select{width:100%;color:var(--text-main);background-color:var(--surface);border:1px solid var(--border);appearance:none;box-shadow:var(--shadow-sm);cursor:pointer;border-radius:8px;outline:none;padding:.875rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}select:disabled{background-color:var(--bg-color);cursor:not-allowed;opacity:.7}.selected-file-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;display:flex}button{cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;font-family:inherit;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);border-radius:8px}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--text-main);border:1px solid var(--border);background:#fff;border-radius:8px}.btn-secondary:hover{background:var(--bg-color)}.btn-large{width:100%;padding:.875rem 1.5rem;font-size:1rem}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-full{width:100%;padding:.875rem}.btn-icon{color:var(--text-muted);width:36px;height:36px;box-shadow:var(--shadow-sm);border:1px solid var(--border);background:#fff;border-radius:50%}.btn-icon:hover{color:var(--error);border-color:var(--error-light)}.btn-icon svg{width:18px;height:18px}.icon-google{width:20px;height:20px}.scanner-layout{padding:2rem}.scanner-header{justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;display:flex}.scanner-header h2{margin-bottom:.25rem;font-size:1.25rem}.badge-soft{background:var(--primary-light);color:var(--primary);border-radius:999px;padding:.25rem .75rem;font-size:.875rem;font-weight:500;display:inline-block}.scanner-wrapper{flex-direction:column;gap:1rem;display:flex}#scanner-container{background:#000;border-radius:12px;width:100%;height:400px;position:relative;overflow:hidden;box-shadow:inset 0 0 20px #00000080}.btn-launch{color:#fff;letter-spacing:.02em;z-index:1;background:linear-gradient(135deg,#fb923c 0%,#f97316 100%);border:none;border-radius:12px;justify-content:center;align-items:center;gap:.75rem;font-size:1.05rem;font-weight:600;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:inline-flex;position:relative;overflow:hidden;box-shadow:0 4px 15px #f973164d,inset 0 1px #fff3}.btn-launch:after{content:"";z-index:-1;background:linear-gradient(90deg,#0000,#ffffff4d,#0000);width:50%;height:100%;transition:left .7s;position:absolute;top:0;left:-100%;transform:skew(-20deg)}.btn-launch:hover:not(:disabled){background:linear-gradient(135deg,#f97316 0%,#ea580c 100%);transform:translateY(-2px)scale(1.02);box-shadow:0 8px 25px #ea580c66,inset 0 1px #ffffff4d}.btn-launch:hover:not(:disabled):after{left:150%}.btn-launch:active:not(:disabled){transform:translateY(1px)scale(.98);box-shadow:0 2px 10px #f973164d}.icon-launch{width:22px;height:22px;transition:transform .3s}.btn-launch:hover:not(:disabled) .icon-launch{transform:scale(1.15)rotate(-3deg)}.btn-launch:disabled{color:#9ca3af;box-shadow:none;cursor:not-allowed;background:#e5e7eb;transform:none}#camera-stream,#overlay-canvas{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}#overlay-canvas{z-index:10}.camera-overlay{z-index:15;pointer-events:none;background:radial-gradient(circle,#0000 35%,#0009 100%);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.viewfinder{width:80%;height:50%;position:relative}.corner{border-style:solid;border-color:#fffc;width:40px;height:40px;position:absolute}.top-left{border-width:3px 0 0 3px;border-top-left-radius:12px;top:0;left:0}.top-right{border-width:3px 3px 0 0;border-top-right-radius:12px;top:0;right:0}.bottom-left{border-width:0 0 3px 3px;border-bottom-left-radius:12px;bottom:0;left:0}.bottom-right{border-width:0 3px 3px 0;border-bottom-right-radius:12px;bottom:0;right:0}#scanner-line{background:var(--success);width:90%;height:2px;box-shadow:0 0 10px var(--success);opacity:0;position:absolute;top:0;left:5%}#scanner-line.animate{animation:1s ease-in-out infinite alternate scan-sweep}@keyframes scan-sweep{0%{opacity:0;transform:translateY(0)}10%{opacity:1}90%{opacity:1}to{opacity:0;transform:translateY(180px)}}#zoom-indicator{color:#fff;z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;border-radius:999px;padding:.35rem 1rem;font-size:.875rem;font-weight:500;position:absolute;bottom:1rem;left:50%;transform:translate(-50%)}.status-text{text-align:center;color:var(--text-muted);font-size:.875rem;font-weight:500}.divider-text{text-align:center;color:var(--text-muted);align-items:center;margin:1.5rem 0 1rem;font-size:.875rem;display:flex}.divider-text:before,.divider-text:after{content:"";border-bottom:1px solid var(--border);flex:1}.divider-text span{text-transform:uppercase;letter-spacing:.05em;padding:0 1rem;font-weight:500}.manual-entry-form{flex-wrap:wrap;gap:.5rem;display:flex}.input-text{color:var(--text-main);background-color:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);appearance:textfield;border-radius:8px;outline:none;flex:5;padding:.875rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}.input-text::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.input-text::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.input-text:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.result-card{text-align:center;border:1px solid var(--border);border-radius:12px;padding:2rem}.result-card.success{background:var(--success-light);border-color:#a7f3d0}.result-card.error{background:var(--error-light);border-color:#fecaca}.result-icon{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 1rem;display:flex}.success .result-icon{background:var(--success)}.error .result-icon{background:var(--error)}.result-icon svg{width:24px;height:24px}.result-details h3{color:var(--text-main);margin-bottom:.5rem;font-size:1.25rem;font-weight:700}.student-name{margin-bottom:.25rem;font-size:1.125rem;font-weight:500}.student-id{color:var(--text-muted);font-family:monospace;font-size:1rem}.error-note{color:var(--error);margin-top:.5rem;font-weight:500}.alert-error{background:var(--error-light);color:#b91c1c;border-radius:8px;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:1rem;font-size:.875rem;font-weight:500;display:flex}.icon-alert{flex-shrink:0;width:20px;height:20px}.mt-4{margin-top:1rem}.state-container{flex-direction:column;justify-content:center;align-items:center;padding:3rem;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;margin-bottom:1rem;animation:1s linear infinite spin}.state-text{color:var(--text-muted);font-weight:500}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:.3s ease-in-out fadeIn}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.slide-down{animation:.3s ease-out slideDown}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:.3s ease-out slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.app-footer{background:var(--surface);border-top:1px solid var(--border);padding:1.5rem}.footer-content{max-width:800px;color:var(--text-muted);flex-direction:column;align-items:center;gap:.75rem;margin:0 auto;font-size:.875rem;display:flex}@media (min-width:600px){.footer-content{flex-direction:row;justify-content:space-between}}.footer-links{gap:1.5rem;display:flex}.footer-links a{color:var(--primary);font-weight:500;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--primary-hover);text-decoration:underline}