:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #eff6ff;--color-success: #16a34a;--color-success-light: #f0fdf4;--color-warning: #d97706;--color-warning-light: #fffbeb;--color-danger: #dc2626;--color-danger-light: #fef2f2;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e5e7eb;--color-text: #111827;--color-text-muted: #6b7280;--color-text-faint: #9ca3af;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--sidebar-width: 240px;--topbar-height: 64px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--chart-series-1: #2a78d6;--chart-series-2: #eb6834;--chart-series-3: #1baf7a;--chart-grid: #e1e0d9;--chart-axis: #c3c2b7;--chart-muted: #898781}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0 0 var(--space-2);font-weight:600;line-height:1.25}h1{font-size:28px}h2{font-size:22px}h3{font-size:17px}h4{font-size:15px}p{margin:0 0 var(--space-3);color:var(--color-text-muted)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}ul{margin:0;padding:0}button{font-family:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,opacity .15s ease;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:#fff;border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){opacity:.9}.btn-block{width:100%}.btn-sm{padding:6px 12px;font-size:13px}.field{margin-bottom:var(--space-4)}.field label{display:block;font-weight:600;font-size:13px;margin-bottom:var(--space-1);color:var(--color-text)}.field .hint{font-size:12px;color:var(--color-text-faint);margin-top:4px}.field .error{font-size:12px;color:var(--color-danger);margin-top:4px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;background:#fff;color:var(--color-text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}input.invalid,select.invalid,textarea.invalid{border-color:var(--color-danger)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media(max-width:640px){.form-row{grid-template-columns:1fr}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--space-5)}a.card{display:block;color:inherit;text-decoration:none;transition:box-shadow .15s ease}a.card:hover{text-decoration:none;box-shadow:var(--shadow-md)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--color-primary-light);color:var(--color-primary-dark)}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-neutral{background:var(--color-bg);color:var(--color-text-muted)}.alert{padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);font-size:13px;margin-bottom:var(--space-4);border:1px solid transparent}.alert-error{background:var(--color-danger-light);color:#991b1b;border-color:#fecaca}.alert-success{background:var(--color-success-light);color:#166534;border-color:#bbf7d0}.alert-warning{background:var(--color-warning-light);color:#92400e;border-color:#fde68a}.alert-info{background:var(--color-primary-light);color:#1e40af;border-color:#bfdbfe}.skeleton{background:linear-gradient(90deg,#eef1f5 25%,#f7f8fa 37%,#eef1f5 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite;border-radius:var(--radius-sm)}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0 50%}}.toast-stack{position:fixed;top:var(--space-4);right:var(--space-4);z-index:1000;display:flex;flex-direction:column;gap:var(--space-2);max-width:360px}.toast{padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);font-size:13px;color:#fff;background:var(--color-text);animation:toast-in .15s ease}.toast-success{background:var(--color-success)}.toast-error{background:var(--color-danger)}.toast-info{background:var(--color-primary)}@keyframes toast-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.progress-bar{width:100%;height:8px;background:var(--color-bg);border-radius:999px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--color-primary);border-radius:999px;transition:width .3s ease}.role-toggle{display:inline-flex;padding:3px;background:var(--color-bg);border-radius:var(--radius-sm);margin-bottom:var(--space-4)}.role-toggle-btn{border:none;background:transparent;padding:8px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:13px;cursor:pointer;color:var(--color-text-muted)}.role-toggle-btn.active{background:#fff;color:var(--color-primary-dark);box-shadow:var(--shadow-sm)}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.spinner-dark{border:2px solid rgba(37,99,235,.2);border-top-color:var(--color-primary)}@keyframes spin{to{transform:rotate(360deg)}}.auth-shell{min-height:100%;display:flex;align-items:center;justify-content:center;padding:var(--space-5);background:var(--color-bg)}.auth-card{width:100%;max-width:480px}.auth-card.wide{max-width:640px}.auth-logo{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-5);font-weight:700;font-size:20px}.auth-logo .dot{width:10px;height:10px;border-radius:50%;background:var(--color-primary)}.auth-footer-link{text-align:center;margin-top:var(--space-4);font-size:13px;color:var(--color-text-muted)}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:var(--space-4);position:fixed;top:0;bottom:0;left:0;transition:transform .2s ease;z-index:40}.sidebar-brand{display:flex;align-items:center;gap:var(--space-2);font-weight:700;font-size:18px;padding:var(--space-2);margin-bottom:var(--space-5)}.sidebar-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--color-primary)}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar-link{display:flex;align-items:center;gap:var(--space-3);padding:10px 12px;border-radius:var(--radius-sm);color:var(--color-text-muted);font-weight:500;font-size:14px}.sidebar-link:hover{background:var(--color-bg);text-decoration:none;color:var(--color-text)}.sidebar-link.active{background:var(--color-primary-light);color:var(--color-primary-dark)}.main-area{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-width:0}.topbar{height:var(--topbar-height);border-bottom:1px solid var(--color-border);background:var(--color-surface);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-5);position:sticky;top:0;z-index:30}.topbar-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:6px}.content-area{padding:var(--space-5);flex:1}.grid{display:grid;gap:var(--space-5)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-cols-4,.grid-cols-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-md)}.main-area{margin-left:0}.topbar-menu-btn{display:inline-flex}}@media(max-width:640px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}.content-area{padding:var(--space-4)}.topbar{padding:0 var(--space-4)}}.sidebar-overlay{display:none}@media(max-width:900px){.sidebar-overlay.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;z-index:35}}.landing-nav{border-bottom:1px solid var(--color-border);background:var(--color-surface)}.landing-nav-inner{max-width:1100px;margin:0 auto;padding:var(--space-4) var(--space-5);display:flex;align-items:center;justify-content:space-between}.landing-nav-links{display:flex;align-items:center;gap:var(--space-4)}.landing-hero{max-width:760px;margin:0 auto;padding:var(--space-7) var(--space-5) var(--space-6);text-align:center}.landing-hero h1{font-size:38px;margin-bottom:var(--space-4)}.landing-cta-row{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap;margin-top:var(--space-5)}.landing-section{max-width:1100px;margin:0 auto;padding:var(--space-6) var(--space-5)}.landing-cta-final{text-align:center}.landing-footer{text-align:center;padding:var(--space-6);color:var(--color-text-faint);font-size:13px}@media(max-width:640px){.landing-hero h1{font-size:28px}}.score-ring{width:96px;height:96px;border-radius:50%;border:8px solid var(--ring-color, var(--color-primary));display:flex;align-items:baseline;justify-content:center;flex-shrink:0}.score-ring-value{font-size:28px;font-weight:700}.score-ring-max{font-size:13px;color:var(--color-text-muted)}.section-score-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}@media(max-width:640px){.section-score-grid{grid-template-columns:1fr}}.section-score-item{display:flex;flex-direction:column;gap:4px}.section-score-label{font-size:13px;font-weight:600;text-transform:capitalize}.section-score-value{font-size:12px;color:var(--color-text-muted)}.bullet-list{margin:0;padding-left:20px;color:var(--color-text-muted)}.bullet-list li{margin-bottom:6px}.skill-picker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.skill-chip{padding:6px 14px;border-radius:999px;border:1px solid var(--color-border);font-size:13px;font-weight:500;cursor:pointer;color:var(--color-text-muted);-webkit-user-select:none;user-select:none}.skill-chip.selected{background:var(--color-primary-light);border-color:var(--color-primary);color:var(--color-primary-dark)}.avatar-placeholder{width:44px;height:44px;border-radius:50%;background:var(--color-primary-light);color:var(--color-primary-dark);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;text-transform:uppercase}.avatar-img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex-shrink:0;border:1px solid var(--color-border)}.candidate-card{display:flex;flex-direction:column}.connection-row{display:flex;align-items:center;gap:16px;margin-bottom:12px}.notification-row{display:flex;align-items:flex-start;gap:16px;margin-bottom:10px;cursor:pointer}.notification-row.unread{border-left:3px solid var(--color-primary)}.slot-row{display:grid;grid-template-columns:1fr 1fr 1.4fr auto;gap:8px;align-items:end;margin-bottom:12px}@media(max-width:700px){.slot-row{grid-template-columns:1fr 1fr}}.slot-option{display:flex;align-items:center;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:12px 16px;cursor:pointer;margin-bottom:8px}.slot-option.selected{border-color:var(--color-primary);background:var(--color-primary-light)}.meeting-box{background:var(--color-primary-light);border:1px solid var(--color-primary);border-radius:var(--radius-md);padding:20px}.detail-list div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--color-border);font-size:13px}.detail-list div:last-child{border-bottom:none}.detail-list dt{color:var(--color-text-muted)}.detail-list dd{margin:0;font-weight:600}.pagination{display:flex;align-items:center;gap:16px;justify-content:center;margin-top:24px;font-size:13px}.difficulty-pill{display:flex;align-items:center;gap:8px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px}.test-shell{min-height:100vh;background:var(--color-bg);padding:var(--space-5);max-width:760px;margin:0 auto;display:flex;flex-direction:column;justify-content:center}.test-warning-banner{position:fixed;top:0;left:0;right:0;background:var(--color-danger);color:#fff;text-align:center;padding:var(--space-3);font-weight:600;font-size:13px;cursor:pointer;z-index:100}.test-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4);font-size:13px;color:var(--color-text-muted);flex-wrap:wrap;gap:8px}.test-timer{font-family:monospace;font-size:18px;font-weight:700;color:var(--color-text)}.test-question-card{display:flex;flex-direction:column;gap:var(--space-4)}.test-question-text{font-size:17px;font-weight:600;color:var(--color-text);margin:0}.test-code-block{background:#0f172a;color:#e2e8f0;padding:var(--space-4);border-radius:var(--radius-sm);overflow-x:auto;font-size:13px;line-height:1.6;margin:0}.test-options{display:flex;flex-direction:column;gap:10px}.test-option{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:12px 16px;cursor:pointer;font-size:14px;-webkit-user-select:none;user-select:none}.test-option.selected{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary-dark);font-weight:600}.interview-ai-indicator{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-muted);font-weight:600}.interview-ai-dot{width:10px;height:10px;border-radius:50%;background:var(--color-text-faint)}.interview-ai-dot.speaking{background:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-light);animation:pulse-dot 1s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.interview-answer-block{display:flex;flex-direction:column;gap:6px}.interview-answer-block label{font-weight:600;font-size:13px}.result-skill-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--color-border)}.result-skill-row:last-child{border-bottom:none}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.data-table th,.data-table td{text-align:left;padding:12px 16px;font-size:13px;border-bottom:1px solid var(--color-border)}.data-table th{color:var(--color-text-muted);font-weight:600;background:var(--color-bg)}.data-table tr:last-child td{border-bottom:none}@media(max-width:700px){.data-table thead{display:none}.data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}.data-table tr{border-bottom:1px solid var(--color-border);padding:12px 0}.data-table td{border-bottom:none;padding:4px 16px;display:flex;justify-content:space-between;gap:12px}.data-table td[data-label]:before{content:attr(data-label);font-weight:600;color:var(--color-text-muted)}.data-table td[data-label=""]:before{content:""}}