:root{--primary-color:#3b82f6;--primary-hover:#2563eb;--secondary-color:#10b981;--bg-color:#f3f4f6;--text-main:#1f2937;--text-muted:#6b7280;--led-bg:#000;--led-text:#facc15;--led-glow:#facc1599}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}h1,h2,h3,h4,h5,h6{margin-bottom:.5rem;font-weight:700}p{line-height:1.5}button{cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-weight:600;transition:all .2s ease-in-out}button:active{transform:scale(.98)}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-success{background-color:var(--secondary-color);color:#fff}.btn-success:hover{background-color:#059669}.btn-danger{color:#fff;background-color:#ef4444}.btn-danger:hover{background-color:#dc2626}input,textarea{border:1px solid #d1d5db;border-radius:6px;width:100%;padding:.75rem;font-family:inherit;font-size:1rem;transition:border-color .2s}input:focus,textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3b82f633}.page-container{max-width:800px;margin:0 auto;padding:2rem 1rem}.card{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-main);margin-bottom:.5rem;font-weight:600;display:block}.led-screen{background-color:var(--led-bg);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.led-message-container{text-align:center;z-index:10;padding:2rem;animation:10s infinite fadeInOut}.led-greeting{color:var(--led-text);text-shadow:0 0 10px var(--led-glow), 0 0 20px var(--led-glow), 0 0 40px var(--led-glow);margin-bottom:1rem;font-size:4rem;font-weight:800;line-height:1.2}.led-author{color:#fff;opacity:.9;font-size:2rem;font-style:italic;font-weight:500}@keyframes fadeInOut{0%{opacity:0;transform:scale(.9)}10%{opacity:1;transform:scale(1)}90%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.1)}}.particle{background-color:var(--led-text);box-shadow:0 0 10px var(--led-text);opacity:0;border-radius:50%;animation:8s ease-in infinite floatUp;position:absolute}@keyframes floatUp{0%{opacity:0;transform:translateY(100vh)scale(.5)}20%{opacity:.6}80%{opacity:.6}to{opacity:0;transform:translateY(-20vh)scale(1.5)}}.admin-table{border-collapse:collapse;width:100%;margin-top:1rem}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid #e5e7eb;padding:1rem}.admin-table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background-color:#f9fafb;font-size:.75rem;font-weight:600}.badge{text-transform:capitalize;border-radius:9999px;padding:.25rem .75rem;font-size:.875rem;font-weight:500}.badge-pending{color:#92400e;background-color:#fef3c7}.badge-approved{color:#065f46;background-color:#d1fae5}.badge-rejected{color:#b91c1c;background-color:#fee2e2}.header{background:#fff;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;box-shadow:0 1px 3px #0000001a}.header-brand{color:var(--primary-color);font-size:1.25rem;font-weight:700;text-decoration:none}.header-nav a{color:var(--text-muted);margin-left:1.5rem;font-weight:500;text-decoration:none;transition:color .2s}.header-nav a:hover,.header-nav a.active{color:var(--primary-color)}