:root {
    --gold: #d4af37; --gold-light: #f0d878; --gold-dim: #8a7326;
    --bg: #0c0e12; --bg2: #12151c; --bg3: #1a1e28; --panel: #161a23;
    --border: #262c3a; --text: #e8e6e0; --text-dim: #9aa0ad;
    --green: #3ddc84; --red: #ff5470; --blue: #4da3ff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Segoe UI", system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh;
    background: radial-gradient(ellipse at top, #1a1e28 0%, var(--bg) 65%); }
.login-card { width: 380px; padding: 44px 40px; background: var(--panel);
    border: 1px solid var(--border); border-top: 3px solid var(--gold);
    border-radius: 10px; box-shadow: 0 24px 60px rgba(0,0,0,.55); }
.login-card h1 { font-size: 26px; letter-spacing: .5px; text-align: center; margin-bottom: 4px; }
.login-card h1 span { color: var(--gold); }
.login-card p.sub { text-align: center; color: var(--text-dim); font-size: 13px; margin-bottom: 30px; }
.login-card label { display: block; font-size: 12px; text-transform: uppercase;
    letter-spacing: 1px; color: var(--text-dim); margin-bottom: 6px; }
.login-card input { width: 100%; padding: 12px 14px; margin-bottom: 18px;
    background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text); font-size: 15px; outline: none; }
.login-card input:focus { border-color: var(--gold); }
.login-card button { width: 100%; padding: 13px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dim) 100%);
    border: none; border-radius: 6px; color: #141414; font-size: 15px; font-weight: 700; cursor: pointer; }
.login-card button:hover { filter: brightness(1.1); }
.login-error { background: rgba(255,84,112,.12); border: 1px solid var(--red);
    color: var(--red); font-size: 13px; padding: 10px 12px; border-radius: 6px;
    margin-bottom: 18px; text-align: center; }

.topbar { display: flex; align-items: center; justify-content: space-between;
    padding: 14px 26px; background: var(--panel); border-bottom: 1px solid var(--border); }
.brand { font-size: 19px; font-weight: 700; letter-spacing: .5px; }
.brand span { color: var(--gold); }
.brand small { display: block; font-size: 10px; color: var(--text-dim); letter-spacing: 2px; font-weight: 400; }
.topbar .right { display: flex; align-items: center; gap: 16px; }
.topbar a { color: var(--text-dim); text-decoration: none; font-size: 13px; }
.topbar a:hover { color: var(--gold); }

.dash-container { padding: 26px; max-width: 1200px; margin: 0 auto; }
.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.dash-head h2 { font-size: 21px; font-weight: 600; }
.stat-pill { background: var(--bg3); border: 1px solid var(--border);
    padding: 8px 16px; border-radius: 20px; font-size: 13px; color: var(--text-dim); }
.stat-pill b { color: var(--green); margin-left: 4px; }

.agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.agent-card { background: var(--panel); border: 1px solid var(--border);
    border-radius: 10px; padding: 20px; transition: border-color .2s, transform .15s; }
.agent-card:hover { border-color: var(--gold-dim); transform: translateY(-2px); }
.agent-card .host { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green);
    box-shadow: 0 0 8px var(--green); flex-shrink: 0; }
.agent-meta { margin: 12px 0 16px; font-size: 13px; color: var(--text-dim); line-height: 1.8; }
.agent-meta b { color: var(--text); font-weight: 600; }
.agent-actions { display: flex; gap: 10px; }
.btn { padding: 9px 18px; border-radius: 6px; font-size: 13px; font-weight: 600;
    cursor: pointer; border: 1px solid var(--border); background: var(--bg3);
    color: var(--text); text-decoration: none; display: inline-block; text-align: center; }
.btn.gold { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dim) 100%);
    color: #141414; border: none; }
.btn:hover { filter: brightness(1.15); }
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-dim);
    border: 1px dashed var(--border); border-radius: 10px; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; font-size: 18px; }
.empty-state code { background: var(--bg3); padding: 3px 8px; border-radius: 4px; color: var(--gold); }

.viewer-shell { display: flex; flex-direction: column; height: 100vh; }
.viewer-main { display: flex; flex: 1; min-height: 0; }
.screen-pane { flex: 1; display: flex; align-items: center; justify-content: center;
    background: #05060a; position: relative; overflow: hidden; min-width: 0; }
#screenCanvas { max-width: 100%; max-height: 100%; background: #000; cursor: crosshair;
    box-shadow: 0 0 40px rgba(0,0,0,.8); }
.screen-waiting { position: absolute; inset: 0; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 14px; color: var(--text-dim);
    background: #05060a; z-index: 5; }
.spinner { width: 42px; height: 42px; border: 3px solid var(--border);
    border-top-color: var(--gold); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.side-pane { width: 340px; background: var(--panel); border-left: 1px solid var(--border);
    display: flex; flex-direction: column; flex-shrink: 0; }
.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tab { flex: 1; padding: 13px; text-align: center; font-size: 13px; font-weight: 600;
    color: var(--text-dim); cursor: pointer; background: none; border: none;
    border-bottom: 2px solid transparent; }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); }
.tab-panel { flex: 1; display: none; flex-direction: column; min-height: 0; }
.tab-panel.active { display: flex; }

.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { max-width: 85%; padding: 9px 13px; border-radius: 10px; font-size: 13px; line-height: 1.45; }
.chat-msg .who { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 1px; opacity: .7; margin-bottom: 3px; }
.chat-msg.tech { align-self: flex-end; background: var(--gold-dim); color: #fff; border-bottom-right-radius: 2px; }
.chat-msg.agent { align-self: flex-start; background: var(--bg3); border: 1px solid var(--border); border-bottom-left-radius: 2px; }
.chat-msg.sys { align-self: center; background: none; color: var(--text-dim); font-size: 11px; padding: 2px; }
.chat-input { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; padding: 10px 12px; background: var(--bg2);
    border: 1px solid var(--border); border-radius: 6px; color: var(--text); outline: none; font-size: 13px; }
.chat-input input:focus { border-color: var(--gold); }
.chat-input button { padding: 10px 16px; background: var(--gold); border: none;
    border-radius: 6px; font-weight: 700; cursor: pointer; color: #141414; }

.file-toolbar { display: flex; gap: 8px; padding: 12px; border-bottom: 1px solid var(--border); }
.file-toolbar input { flex: 1; padding: 8px 10px; background: var(--bg2);
    border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 12px; outline: none; }
.file-toolbar button { padding: 8px 12px; font-size: 12px; }
.file-list { flex: 1; overflow-y: auto; }
.file-row { display: flex; align-items: center; gap: 10px; padding: 9px 14px;
    font-size: 13px; cursor: pointer; border-bottom: 1px solid #1c212c; }
.file-row:hover { background: var(--bg3); }
.file-row .icon { width: 18px; text-align: center; flex-shrink: 0; }
.file-row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .size { color: var(--text-dim); font-size: 11px; flex-shrink: 0; }
.file-actions { padding: 12px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.file-progress { height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden; display: none; }
.file-progress .bar { height: 100%; background: var(--gold); width: 0%; transition: width .15s; }
.file-status { font-size: 11px; color: var(--text-dim); min-height: 14px; }

.conn-pill { font-size: 12px; padding: 6px 14px; border-radius: 16px;
    border: 1px solid var(--border); color: var(--text-dim); }
.conn-pill.live { color: var(--green); border-color: var(--green); }
.conn-pill.dead { color: var(--red); border-color: var(--red); }

.viewer-toolbar { display: flex; gap: 8px; padding: 10px 26px; background: var(--bg2);
    border-bottom: 1px solid var(--border); align-items: center; flex-wrap: wrap; }
.viewer-toolbar .btn { padding: 7px 14px; font-size: 12px; }
.viewer-toolbar .spacer { flex: 1; }
.kbd-note { font-size: 11px; color: var(--text-dim); }