:root{color-scheme:dark;--bg: #0b0e14;--bg-elevated: #131722;--border: #232838;--text: #e6e9f0;--text-dim: #8b93a7;--accent: #4f8cff;--ok: #3ecf8e;--warn: #e0a941;--crit: #e0524d}*{box-sizing:border-box}body{margin:0;min-width:960px;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,sans-serif}h1{font-size:1.4rem;font-weight:600}a{color:var(--accent);text-decoration:none}button{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:4px;padding:.4rem .8rem;cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}select{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:4px;padding:.4rem}.nav{display:flex;gap:1.5rem;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.login-screen{display:flex;align-items:center;justify-content:center;height:100vh}.login-screen form{display:flex;flex-direction:column;gap:.75rem;width:280px}.login-screen input{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);padding:.5rem;border-radius:4px}.error{color:var(--crit);font-size:.9rem}.fleet-overview,.server-detail,.security-page{padding:1.5rem}.empty-state{margin-top:1rem;padding:1rem 1.25rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;max-width:640px}.empty-state pre{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:.75rem;overflow-x:auto}.empty-state code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85rem}.fleet-overview__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1rem}.server-card{display:block;background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;padding:1rem}.server-card__header{display:flex;justify-content:space-between;margin-bottom:.75rem}.server-card__status--online{color:var(--ok)}.server-card__status--offline{color:var(--crit)}.server-card__sessions,.server-card__no-data{margin-top:.5rem;color:var(--text-dim);font-size:.85rem}.metric-bar{display:grid;grid-template-columns:3rem 1fr 3rem;align-items:center;gap:.5rem;margin-bottom:.35rem;font-size:.8rem}.metric-bar__track{background:var(--bg);border-radius:3px;height:6px;overflow:hidden}.metric-bar__fill{height:100%}.metric-bar--ok .metric-bar__fill{background:var(--ok)}.metric-bar--warn .metric-bar__fill{background:var(--warn)}.metric-bar--crit .metric-bar__fill{background:var(--crit)}.server-detail__metrics{max-width:400px;margin:1rem 0 1.5rem}.sessions-table,.security-table{width:100%;border-collapse:collapse}.sessions-table th,.sessions-table td,.security-table th,.security-table td{border-bottom:1px solid var(--border);padding:.5rem;text-align:left;font-size:.9rem}.security-table__row--brute-force{background:#e0524d26}.confirm-dialog__backdrop{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center}.confirm-dialog{background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;padding:1.5rem;max-width:320px}.confirm-dialog__actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1rem}.confirm-dialog__confirm{border-color:var(--crit);color:var(--crit)}