:root{--primary: #2563eb;--primary-dark: #1e40af;--secondary: #64748b;--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--text-light: #64748b;--border: #e2e8f0;--radius: 12px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:Outfit,sans-serif;margin:0 0 1rem}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:rgba(255,255,255,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:1rem 2rem;position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:.75rem;font-weight:700;color:var(--primary);font-size:1.25rem}main{flex:1;padding:2rem;max-width:1000px;margin:0 auto;width:100%}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.card{background:var(--surface);border-radius:var(--radius);padding:2rem;border:1px solid var(--border);box-shadow:var(--shadow);transition:all .2s ease;cursor:pointer;display:flex;flex-direction:column;gap:1rem}.card:hover,.card.active{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}.card.disabled{opacity:.6;cursor:not-allowed;background:#f1f5f9}.card-icon{color:var(--primary);margin-bottom:.5rem}.btn-primary,.btn-secondary,.btn-back{padding:.75rem 1.5rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:background .2s;font-size:.95rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:white;border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{background:#f1f5f9}.btn-back{background:transparent;color:var(--secondary);padding-left:0;margin-bottom:1rem}.form-container{background:var(--surface);padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}.span-2{grid-column:span 2}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--text-light);margin-bottom:.5rem}.form-group input,.form-group select{width:100%;padding:.75rem;border-radius:8px;border:1px solid var(--border);font-size:1rem;font-family:inherit;transition:border .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.input-with-icon{position:relative;display:flex;align-items:center}.input-with-icon input{padding-right:3rem}.input-with-icon.double input{padding-right:5rem}.calendar-icon-wrapper{position:absolute;right:12px;cursor:pointer;color:var(--primary);display:flex;align-items:center;justify-content:center;padding:4px;border-radius:4px;transition:background .2s;z-index:2}.calendar-icon-wrapper svg{pointer-events:none}.calendar-icon-wrapper:hover{background:rgba(37,99,235,.1)}.calendar-icon-wrapper input[type=date]{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer;left:0;top:0;margin:0;padding:0;border:none;z-index:10}.actions{display:flex;gap:1rem;justify-content:flex-end;border-top:1px solid var(--border);padding-top:2rem}.main-title{text-align:center;margin-bottom:3rem;font-size:2.5rem;background:linear-gradient(135deg,var(--primary),#6366f1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.section-divider{border-top:1px solid var(--border);padding-top:2rem;margin-top:1rem;font-size:1.1rem;color:var(--primary)}.pdf-ready-card{background:white;padding:3rem;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;max-width:500px;margin:2rem auto;display:flex;flex-direction:column;gap:1.5rem;border:1px solid var(--border)}.pdf-ready-card h3{display:flex;align-items:center;justify-content:center;gap:.5rem;color:#10b981}.loading-state{display:flex;align-items:center;justify-content:center;gap:1rem;padding:2rem;color:var(--secondary)}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;color:var(--primary);font-weight:600}.btn-primary.tertiary{background:#475569}.error-msg{color:#ef4444;font-size:.875rem;display:flex;align-items:center;gap:.5rem;justify-content:center;padding:1rem;background:#fef2f2;border-radius:8px}.pdf-action-box{width:100%;margin:1rem 0}.fade-in{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.student-search-container{position:relative}.search-results-dropdown{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid var(--border);border-radius:8px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;max-height:220px;overflow-y:auto;z-index:999;list-style:none;padding:0;margin:4px 0 0}.search-results-dropdown li{padding:.75rem 1rem;border-bottom:1px solid #f1f5f9;cursor:pointer;display:flex;flex-direction:column;transition:background-color .2s;text-align:left}.search-results-dropdown li:hover{background-color:#f8fafc}.search-results-dropdown li:last-child{border-bottom:none}.search-results-dropdown li strong{color:var(--text);font-size:.9rem}.search-results-dropdown li span{margin-top:2px}.login-screen-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:radial-gradient(circle at 10% 20%,rgba(228,237,250,.8) 0%,rgba(248,250,252,.8) 90%);padding:1.5rem}.login-card{background:white;border-radius:16px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;border:1px solid var(--border);padding:2.5rem;width:100%;max-width:420px;animation:fadeIn .4s ease-out}.login-header{text-align:center;margin-bottom:2rem}.login-header .logo-wrapper{background:var(--bg);color:var(--primary);width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;box-shadow:0 4px 6px -1px #2563eb1a}.login-header h2{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:.5rem}.login-header p{color:#64748b;font-size:.875rem}.login-form{display:flex;flex-direction:column;gap:1.25rem}.login-btn{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s;box-shadow:0 4px 6px -1px #2563eb33}.login-btn:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px)}.login-btn:disabled{opacity:.7;cursor:not-allowed}.header-user-info{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--text);background:var(--bg);padding:.5rem 1rem;border-radius:8px;border:1px solid var(--border)}.header-user-info span{font-weight:600}.btn-logout{background:transparent;color:#ef4444;border:1px solid #fecaca;padding:.35rem .75rem;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:4px}.btn-logout:hover{background:#fef2f2;border-color:#ef4444}