*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #0A1628;--navy2: #122040;--blue: #1A56DB;--blue-light: #EBF1FF;--blue-mid: #C7D9FF;--gold: #F5A623;--gold-light: #FEF3D7;--green: #0E9F6E;--green-light: #E3F8F0;--red: #E02424;--red-light: #FDE8E8;--amber: #D97706;--amber-light: #FEF3C7;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-700: #374151;--gray-900: #111827;--white: #FFFFFF;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.1);--shadow-lg: 0 8px 32px rgba(0,0,0,.12);--font-display: "DM Serif Display", Georgia, serif;--font-body: "DM Sans", system-ui, sans-serif;--transition: all .18s cubic-bezier(.4,0,.2,1)}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--gray-50);color:var(--gray-900);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display);line-height:1.2}button{font-family:var(--font-body);cursor:pointer;border:none}input,textarea,select{font-family:var(--font-body)}a{text-decoration:none;color:inherit}.btn-primary{background:var(--navy);color:#fff;padding:12px 24px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;border:none}.btn-primary:hover{background:var(--navy2);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#fff;color:var(--navy);padding:12px 24px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--gray-200)}.btn-secondary:hover{border-color:var(--navy);background:var(--gray-50)}.btn-gold{background:var(--gold);color:#fff;padding:12px 24px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;border:none}.btn-gold:hover{background:#e0941a;transform:translateY(-1px);box-shadow:var(--shadow-md)}.card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--gray-200);padding:20px}.input-field{width:100%;padding:11px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-md);font-size:14px;color:var(--gray-900);background:#fff;transition:var(--transition);outline:none}.input-field:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1a56db1f}.select-field{width:100%;padding:11px 36px 11px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-md);font-size:14px;color:var(--gray-900);background:#fff;transition:var(--transition);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;cursor:pointer}.select-field:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1a56db1f}.textarea-field{width:100%;padding:11px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-md);font-size:14px;color:var(--gray-900);background:#fff;transition:var(--transition);outline:none;resize:vertical;min-height:100px}.textarea-field:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1a56db1f}.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:500}.tag-blue{background:var(--blue-light);color:#1e40af}.tag-green{background:var(--green-light);color:#065f46}.tag-amber{background:var(--amber-light);color:#92400e}.tag-red{background:var(--red-light);color:#991b1b}.tag-gold{background:var(--gold-light);color:#92400e}.tag-navy{background:var(--navy);color:#fff}.pill{display:inline-block;padding:5px 13px;border-radius:999px;font-size:13px;font-weight:500;cursor:pointer;border:1.5px solid var(--gray-200);background:#fff;color:var(--gray-500);transition:var(--transition);-webkit-user-select:none;user-select:none}.pill:hover{border-color:var(--navy);color:var(--navy)}.pill.active{background:var(--navy);color:#fff;border-color:var(--navy)}.spinner{width:18px;height:18px;border:2px solid var(--gray-200);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.upload-zone{border:2px dashed var(--gray-300);border-radius:var(--radius-lg);padding:32px 20px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--gray-50)}.upload-zone:hover{border-color:var(--blue);background:var(--blue-light)}.score-bar-track{background:var(--gray-100);border-radius:999px;height:10px;overflow:hidden}.score-bar-fill{height:10px;border-radius:999px;transition:width 1s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease forwards}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slideUp .4s ease forwards}.label{font-size:13px;font-weight:500;color:var(--gray-700);margin-bottom:6px;display:block}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}.tab-scroll{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.tab-scroll::-webkit-scrollbar{display:none}@media(max-width:768px){body{font-size:15px}.card{padding:14px;border-radius:10px}.btn-primary,.btn-secondary,.btn-gold,.btn-red{padding:10px 16px;font-size:14px;border-radius:8px}.input-field,.select-field,.textarea-field{font-size:16px;padding:10px 12px}.pill{font-size:12px;padding:5px 10px}.dashboard-header-top{flex-direction:column;align-items:flex-start!important;gap:8px!important;padding-top:10px!important}.dashboard-header-right{display:flex;flex-wrap:wrap;gap:6px;width:100%}.tab-nav{overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap!important}.tab-nav::-webkit-scrollbar{display:none}.tab-nav button{flex-shrink:0;font-size:12px;padding:8px 10px}.main-content{padding:14px 12px!important}.grid-auto,[style*="gridTemplateColumns: 'minmax(0,280px)"],[style*="gridTemplateColumns: 'minmax(0,300px)"]{grid-template-columns:1fr!important}.hero-title{font-size:clamp(28px,8vw,44px)!important}.hide-mobile{display:none!important}.teacher-code{font-size:18px!important}.flashcard-inner{padding:24px 16px!important;min-height:160px!important}.flashcard-text{font-size:15px!important}.modal-inner{padding:20px 16px!important}.pricing-grid{grid-template-columns:1fr!important}}@media(max-width:480px){.btn-primary,.btn-secondary{width:100%;justify-content:center}.dashboard-header-right button{font-size:11px;padding:3px 7px}.tab-nav button{font-size:11px;padding:8px}}