:root{--primary: #f97316;--primary-hover: #ea580c;--primary-light: #fff7ed;--accent: #0d9488;--accent-light: #f0fdfa;--success: #10b981;--error: #ef4444;--text: #1c1917;--text-muted: #78716c;--bg: #fafaf9;--surface: #ffffff;--border: #e7e5e4;--shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);--shadow-lg: 0 12px 28px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--font: "Inter", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.site-header{display:flex;justify-content:space-between;align-items:center;padding:0 40px;height:72px;background:#1c1917;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 2px 12px #00000040;position:sticky;top:0;z-index:100}.logo-img{height:54px;width:auto;display:block}.nav-links{display:flex;align-items:center;gap:4px}.nav-links .nav-button{padding:8px 14px;font-size:.9rem;font-weight:500;text-decoration:none;color:#ffffffbf;border-radius:var(--radius-sm);transition:background .2s ease,color .2s ease}.nav-links .nav-button:hover{background:#f9731626;color:var(--primary)}.nav-links .nav-button.admin{background:var(--accent);color:#fff;font-weight:600;margin-left:8px}.nav-links .nav-button.admin:hover{background:#0f766e;color:#fff}@media (max-width: 768px){.site-header{flex-direction:column;height:auto;padding:16px 20px;gap:12px}.nav-links{width:100%;justify-content:space-around;flex-wrap:wrap}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:var(--font);cursor:pointer;text-decoration:none;transition:background .2s ease,box-shadow .2s ease,transform .15s ease}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 12px #f9731659;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.page-title{font-size:2rem;font-weight:800;color:var(--text);letter-spacing:-.5px;margin-bottom:10px}footer{text-align:center;padding:24px 20px;background:var(--surface);color:var(--text-muted);font-size:.85rem;border-top:1px solid var(--border);margin-top:60px}.text-muted{color:var(--text-muted)}.text-center{text-align:center}