:root{--bg-color: #f8f9fa;--bg-card: #ffffff;--text-primary: #212529;--text-secondary: #6c757d;--primary: #000000;--primary-hover: #333333;--accent: #c5a880;--accent-hover: #b0956f;--danger: #dc3545;--success: #198754;--warning: #ffc107;--border-radius: 12px;--border-color: #dee2e6;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition: all .2s ease-in-out}@media (prefers-color-scheme: dark){:root{--bg-color: #121212;--bg-card: #1e1e1e;--text-primary: #e9ecef;--text-secondary: #adb5bd;--border-color: #343a40;--primary: #ffffff;--primary-hover: #e0e0e0;--shadow-sm: 0 2px 4px rgba(0,0,0,.2);--shadow-md: 0 4px 12px rgba(0,0,0,.3)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}a{color:var(--accent);text-decoration:none;transition:var(--transition)}a:hover{filter:brightness(.9)}button{cursor:pointer;font-family:inherit;transition:var(--transition)}.card{background:var(--bg-card);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);padding:1.5rem;border:1px solid var(--border-color)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:8px;font-weight:500;border:none;gap:.5rem}.btn-primary{background-color:var(--primary);color:var(--bg-card)}.btn-primary:hover{background-color:var(--primary-hover)}.btn-accent{background-color:var(--accent);color:#fff}.btn-accent:hover{background-color:var(--accent-hover)}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.9rem;color:var(--text-secondary)}.form-control{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-color);color:var(--text-primary);font-family:inherit;transition:var(--transition)}.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #c5a88040}.app-container{display:flex;flex-direction:column;min-height:100vh}.app-header{background:var(--bg-card);padding:1rem;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-sm)}.app-brand{font-size:1.25rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.app-main{flex:1;padding:1rem;max-width:800px;width:100%;margin:0 auto}.bottom-nav{position:sticky;bottom:0;background:var(--bg-card);display:flex;justify-content:space-around;padding:.75rem 0;padding-bottom:calc(.75rem + env(safe-area-inset-bottom));border-top:1px solid var(--border-color);box-shadow:0 -2px 10px #0000000d;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;color:var(--text-secondary);font-size:.75rem;gap:.25rem}.nav-item.active{color:var(--accent)}.nav-item svg{width:24px;height:24px}.fade-in{animation:fadeIn .3s ease-in forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.flex-between{display:flex;justify-content:space-between;align-items:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.text-center{text-align:center}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}