:root{--bg: #0a0a0f;--bg-card: #12121a;--bg-elevated: #1a1a26;--text: #f0f0f5;--text-muted: #9898a8;--primary: #6366f1;--primary-light: #818cf8;--accent: #22d3ee;--success: #34d399;--danger: #f87171;--border: #2a2a3a;--gradient: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6;color:var(--text);background:var(--bg)}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{max-width:1100px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;border:none;cursor:pointer;font-weight:600;transition:transform .15s,opacity .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--gradient);color:#fff}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:24px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-muted);font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}.error-msg{color:var(--danger);font-size:14px;margin-top:8px}.success-msg{color:var(--success);font-size:14px;margin-top:8px}