:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-tertiary: #252833;--text-primary: #e4e6eb;--text-secondary: #8b8fa3;--accent: #6366f1;--accent-hover: #818cf8;--green: #22c55e;--red: #ef4444;--yellow: #f59e0b;--border: #2a2d3a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary)}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.main-nav{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.nav-brand a{font-weight:700;font-size:1.1em;color:var(--text-primary)}.nav-links{display:flex;gap:1rem;align-items:center}.nav-links a{color:var(--text-secondary);padding:.25rem .5rem;border-radius:6px}.nav-links a.active{color:var(--accent);background:#6366f11a}.login-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 52px);padding:2rem}.login-form{background:var(--bg-secondary);padding:2rem;border-radius:12px;border:1px solid var(--border);width:100%;max-width:400px}.login-form h2{margin-bottom:1.5rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.25rem;font-size:.9em;color:var(--text-secondary)}.form-group input,.form-group select{width:100%;padding:.6rem .75rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.95em}.form-group input:focus{outline:none;border-color:var(--accent)}.form-error{color:var(--red);font-size:.9em;margin-bottom:.5rem}.btn{padding:.6rem 1.2rem;border:none;border-radius:8px;font-size:.95em;cursor:pointer;font-weight:500}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.container{max-width:1200px;margin:0 auto;padding:1.5rem}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:1.25rem;margin-bottom:1rem}.card h3{margin-bottom:.75rem;font-size:1em;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}table{width:100%;border-collapse:collapse;font-size:.9em}th,td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:500}.amount-in{color:var(--green)}.amount-out{color:var(--red)}.status-active{color:var(--green)}.status-expired{color:var(--text-secondary)}.status-pending{color:var(--yellow)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:1rem;text-align:center}.stat-value{font-size:2em;font-weight:700}.stat-label{font-size:.85em;color:var(--text-secondary)}