.site-header{position:sticky;top:0;z-index:100;background:var(--color-primary);border-bottom:3px solid var(--color-accent);height:var(--header-height);box-shadow:0 2px 16px #0380954d}.header-inner{max-width:1440px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-logo{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}.logo-mark{width:40px;height:40px;background:var(--color-accent);color:var(--color-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;letter-spacing:-.03em;flex-shrink:0}.logo-text{display:flex;flex-direction:column;gap:1px}.logo-title{font-size:var(--font-size-md);font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.01em}.logo-sub{font-size:var(--font-size-xs);color:#ffffffb3;text-transform:uppercase;letter-spacing:.07em;line-height:1}.header-nav{display:flex;align-items:center;gap:4px}.nav-link{display:flex;align-items:center;gap:5px;padding:6px 14px;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:600;color:#fffc;text-decoration:none;transition:all var(--transition)}.nav-link:hover{color:#fff;background:#ffffff26;text-decoration:none}.nav-link.active{color:var(--color-accent);background:#fbd8841f}.ext-icon{width:10px;height:10px;opacity:.7}@media (max-width: 480px){.logo-sub{display:none}.header-inner{padding:0 16px}.nav-link{padding:6px 10px}}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:40px}.loading-inner{display:flex;flex-direction:column;align-items:center;gap:16px;animation:fadeIn .4s ease both}.loading-spinner{position:relative;width:48px;height:48px}.spinner-ring{display:block;width:48px;height:48px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-msg{font-size:var(--font-size-base);color:var(--color-text-muted);font-weight:500}:root{--color-primary: #038095;--color-primary-dark: #026475;--color-primary-light: #04a3bb;--color-accent: #FBD884;--color-accent-dark: #e8c15e;--color-text: #131212;--color-text-muted: #5a5858;--color-text-light: #8a8787;--color-bg: #FDFCFD;--color-bg-card: #ffffff;--color-bg-sidebar: #f4f3f4;--color-border: #e2e0e2;--color-border-strong: #c8c6c8;--color-success: #1a8a4a;--color-warning: #d97706;--color-danger: #dc2626;--color-confirmed: #038095;--color-suspected: #d97706;--font-family: "Trebuchet MS", "Trebuchet", "Helvetica Neue", Arial, sans-serif;--font-size-xs: .6875rem;--font-size-sm: .8125rem;--font-size-base: .9375rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.375rem;--font-size-2xl: 1.75rem;--font-size-3xl: 2.25rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 32px rgba(0,0,0,.13);--shadow-primary: 0 4px 20px rgba(3,128,149,.2);--transition: .18s ease;--transition-slow: .32s ease;--sidebar-width: 280px;--header-height: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-border)}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}h1,h2,h3,h4,h5{font-family:var(--font-family);font-weight:700;line-height:1.2;color:var(--color-text)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-primary-dark);text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .3s ease both}.animate-slide-right{animation:slideInRight .28s ease both}.skeleton{background:linear-gradient(90deg,var(--color-border) 25%,var(--color-bg-card) 50%,var(--color-border) 75%);background-size:400px 100%;animation:shimmer 1.4s infinite;border-radius:var(--radius-sm)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);border:none;font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff;text-decoration:none}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff;text-decoration:none}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1.5px solid var(--color-border)}.btn-ghost:hover{background:var(--color-bg-sidebar);color:var(--color-text);text-decoration:none}.btn-sm{padding:5px 10px;font-size:var(--font-size-xs)}.btn:disabled{opacity:.5;cursor:not-allowed}.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;background:#0380951a;color:var(--color-primary);border-radius:var(--radius-pill);font-size:var(--font-size-xs);font-weight:600;border:1px solid rgba(3,128,149,.2);white-space:nowrap}.chip-accent{background:#fbd88433;color:#8a5c00;border-color:#fbd88480}.chip-remove{background:none;border:none;cursor:pointer;color:inherit;padding:0;line-height:1;opacity:.7;font-size:14px;display:flex;align-items:center}.chip-remove:hover{opacity:1}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-pill);font-size:var(--font-size-xs);font-weight:700;letter-spacing:.03em;text-transform:uppercase}.badge-confirmed{background:#0380951f;color:var(--color-primary-dark);border:1px solid rgba(3,128,149,.25)}.badge-suspected{background:#d977061f;color:#92400e;border:1px solid rgba(217,119,6,.25)}.badge-unknown{background:var(--color-bg-sidebar);color:var(--color-text-muted);border:1px solid var(--color-border)}.modality-badge{padding:2px 8px;border-radius:var(--radius-pill);font-size:var(--font-size-xs);font-weight:600;text-transform:capitalize}.modality-audio{background:#dbeafe;color:#1e40af}.modality-video{background:#ede9fe;color:#5b21b6}.modality-text{background:#d1fae5;color:#065f46}.modality-image{background:#fee2e2;color:#991b1b}.modality-default{background:var(--color-bg-sidebar);color:var(--color-text-muted)}.divider{border:none;border-top:1px solid var(--color-border);margin:16px 0}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:40;animation:fadeIn .2s ease}@media (max-width: 768px){:root{--font-size-3xl: 1.75rem;--font-size-2xl: 1.375rem}}