*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1D9E75;--primary-dark: #0F6E56;--primary-light: #E1F5EE;--text: #1A1A1A;--text-secondary: #5F5F5F;--bg: #FFFFFF;--bg-secondary: #F5F5F4;--border: #E5E5E5;--border-strong: #D4D4D4;--error: #A32D2D;--error-bg: #FCEBEB;--warning: #633806;--warning-bg: #FAEEDA;--info-bg: #E6F1FB;--info: #0C447C;--purple-bg: #EEEDFE;--purple: #3C3489;--radius: 6px;--radius-lg: 10px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-container{min-height:100vh}.page-wrap{max-width:1100px;margin:0 auto;padding:0 1.5rem 3rem}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:14px}.spinner{width:32px;height:32px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background:var(--bg-secondary)}.login-card{max-width:400px;width:100%;background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:0 1px 3px #0000000a}.login-brand{font-size:11px;font-weight:600;letter-spacing:.1em;color:var(--text-secondary);text-transform:uppercase;text-align:center;margin-bottom:6px}.login-title{font-size:22px;font-weight:500;color:var(--text);text-align:center;margin-bottom:6px}.login-sub{font-size:13px;color:var(--text-secondary);text-align:center;margin-bottom:22px}.form-group{margin-bottom:14px}.form-label{font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:5px;display:block;text-transform:uppercase;letter-spacing:.05em}.form-input,.form-select{width:100%;padding:10px 13px;border:.5px solid var(--border-strong);border-radius:var(--radius);font-size:14px;background:var(--bg);color:var(--text);outline:none;font-family:var(--font)}.form-input:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1d9e751a}.btn-primary{width:100%;background:var(--primary);color:#fff;border:none;padding:11px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;font-family:var(--font);transition:background .15s}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--text);border:.5px solid var(--border-strong);padding:8px 14px;border-radius:var(--radius);font-size:13px;cursor:pointer;font-family:var(--font)}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.login-switch{text-align:center;margin-top:14px;font-size:13px;color:var(--text-secondary)}.login-switch a{color:var(--primary);cursor:pointer;text-decoration:none}.error-msg{background:var(--error-bg);color:var(--error);font-size:13px;padding:10px 12px;border-radius:var(--radius);margin-bottom:14px;line-height:1.5}.success-msg{background:var(--primary-light);color:var(--primary-dark);font-size:13px;padding:10px 12px;border-radius:var(--radius);margin-bottom:14px}.login-hint{margin-top:18px;padding-top:14px;border-top:.5px solid var(--border);font-size:12px;color:var(--text-secondary);text-align:center;line-height:1.7}.login-hint code{background:var(--bg-secondary);padding:1px 6px;border-radius:3px;font-family:ui-monospace,monospace;font-size:12px}.header{display:flex;align-items:center;padding:14px 1.5rem;border-bottom:.5px solid var(--border);background:var(--bg);gap:10px;flex-wrap:wrap}.header-brand-wrap{display:flex;flex-direction:column;flex:1}.header-brand-label{font-size:10px;font-weight:600;letter-spacing:.1em;color:var(--text-secondary);text-transform:uppercase}.header-title{font-size:14px;font-weight:500;color:var(--text)}.header-user{font-size:12px;color:var(--text-secondary);margin-right:4px}.header-btn{font-size:12px;padding:5px 11px;border:.5px solid var(--border-strong);border-radius:var(--radius);cursor:pointer;background:transparent;color:var(--text-secondary);font-family:var(--font);text-decoration:none}.header-btn:hover{border-color:var(--primary);color:var(--primary)}.header-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}.cert-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:3px 9px;border-radius:var(--radius);font-weight:600}.cert-itp{background:var(--primary-light);color:var(--primary-dark)}.cert-its{background:var(--info-bg);color:var(--info)}.cert-iata{background:var(--purple-bg);color:var(--purple)}.cert-none{background:var(--bg-secondary);color:var(--text-secondary)}.progress-bar{background:var(--bg-secondary);border-radius:3px;height:6px;overflow:hidden}.progress-fill{height:6px;border-radius:3px;background:var(--primary);transition:width .3s ease}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin-bottom:1.5rem}.stat-card{background:var(--bg-secondary);border-radius:var(--radius);padding:14px 16px}.stat-label{font-size:11px;color:var(--text-secondary);margin-bottom:3px;font-weight:500}.stat-value{font-size:22px;font-weight:500;color:var(--text)}.stat-unit{font-size:13px;font-weight:400;color:var(--text-secondary)}.track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-bottom:1.5rem}.track-card{background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-lg);padding:16px;cursor:pointer;transition:border-color .15s,transform .15s;text-decoration:none;color:inherit}.track-card:hover{border-color:var(--border-strong);transform:translateY(-1px)}.track-name{font-size:14px;font-weight:500;color:var(--text);margin-bottom:4px}.track-meta{font-size:12px;color:var(--text-secondary);margin-bottom:10px}.track-progress-text{font-size:12px;color:var(--text-secondary);margin-top:6px}.back-btn{font-size:13px;color:var(--primary);cursor:pointer;margin-bottom:14px;display:inline-flex;align-items:center;gap:5px;border:none;background:transparent;padding:0;font-family:var(--font);text-decoration:none}.back-btn:hover{text-decoration:underline}.track-header{margin-bottom:16px}.track-header-title{font-size:20px;font-weight:500;color:var(--text);margin-bottom:4px}.track-header-desc{font-size:13px;color:var(--text-secondary);margin-bottom:10px;line-height:1.5}.track-header-meta{font-size:12px;color:var(--text-secondary);margin-bottom:8px}.module-wrap{background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-lg);padding:16px}.module-row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:.5px solid var(--border)}.module-row:last-child{border-bottom:none}.module-check{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--border-strong);flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;font-size:11px;cursor:pointer;background:transparent;transition:all .15s}.module-check.done{background:var(--primary);border-color:var(--primary);color:#fff}.module-info{flex:1}.module-name{font-size:13px;font-weight:500;color:var(--text);margin-bottom:3px;line-height:1.4}.module-desc{font-size:12px;color:var(--text-secondary);line-height:1.5}.module-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:5px}.module-tag{font-size:10px;padding:2px 6px;background:var(--bg-secondary);color:var(--text-secondary);border-radius:var(--radius)}.tier-badge{font-size:10px;padding:2px 7px;border-radius:var(--radius);font-weight:600;margin-right:3px}.tier-1{background:var(--primary-light);color:var(--primary-dark)}.tier-2{background:var(--info-bg);color:var(--info)}.tier-3{background:var(--purple-bg);color:var(--purple)}.section-title{font-size:17px;font-weight:500;color:var(--text);margin-bottom:12px}.cat-filter-row{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:14px}.cat-btn{font-size:12px;padding:5px 10px;border:.5px solid var(--border-strong);border-radius:var(--radius);cursor:pointer;background:var(--bg);color:var(--text-secondary);font-family:var(--font)}.cat-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);font-weight:500}.quiz-card{background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:12px}.quiz-cat-label{font-size:10px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.07em;font-weight:600;margin-bottom:9px}.quiz-question{font-size:14px;font-weight:500;color:var(--text);margin-bottom:14px;line-height:1.5}.quiz-option{display:block;padding:10px 14px;border:.5px solid var(--border-strong);border-radius:var(--radius);cursor:pointer;font-size:13px;color:var(--text);background:var(--bg);text-align:left;width:100%;margin-bottom:6px;line-height:1.4;font-family:var(--font)}.quiz-option:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--text-secondary)}.quiz-option:disabled{cursor:default}.quiz-option.correct{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}.quiz-option.wrong{background:var(--error-bg);border-color:var(--error);color:var(--error)}.quiz-feedback{margin-top:11px;font-size:13px;padding:10px 12px;border-radius:var(--radius);line-height:1.5}.quiz-feedback.correct{background:var(--primary-light);color:var(--primary-dark)}.quiz-feedback.wrong{background:var(--error-bg);color:var(--error)}.quiz-nav{display:flex;gap:10px;align-items:center;margin-top:14px}.quiz-counter{flex:1;text-align:right;font-size:13px;color:var(--text-secondary)}.admin-tabs{display:flex;gap:4px;border-bottom:.5px solid var(--border);margin-bottom:1.5rem}.admin-tab{font-size:13px;font-weight:500;padding:8px 14px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-.5px;font-family:var(--font)}.admin-tab.active{color:var(--text);border-bottom-color:var(--primary)}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{text-align:left;padding:10px 12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);border-bottom:.5px solid var(--border)}.admin-table td{padding:11px 12px;border-bottom:.5px solid var(--border);color:var(--text);vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.role-badge{font-size:11px;padding:2px 7px;border-radius:var(--radius)}.role-admin{background:var(--purple-bg);color:var(--purple)}.role-user{background:var(--bg-secondary);color:var(--text-secondary)}.score-good{color:var(--primary-dark);font-weight:500}.score-ok{color:var(--warning);font-weight:500}.score-low{color:var(--error);font-weight:500}.pct-green{color:var(--primary-dark);font-weight:500}.pct-orange{color:var(--warning);font-weight:500}.pct-red{color:var(--error);font-weight:500}.table-scroll{overflow-x:auto}