*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3250;
  --accent: #7c6af7;
  --accent-hover: #9d8fff;
  --text: #e2e4f0;
  --text-muted: #6b7094;
  --success: #4ade80;
  --danger: #f87171;
  --user-bubble: #2d3a6e;
  --hermes-bubble: #1e2235;
}

body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, sans-serif; height: 100vh; overflow: hidden; }
.page { height: 100vh; }
.hidden { display: none !important; }

#page-login { display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 360px; display: flex; flex-direction: column; gap: 16px; }
.login-logo { font-size: 32px; text-align: center; }
.login-box h2 { text-align: center; color: var(--accent); }
.login-box input { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; color: var(--text); font-size: 15px; outline: none; }
.login-box input:focus { border-color: var(--accent); }
.login-box button { background: var(--accent); border: none; border-radius: 8px; padding: 12px; color: white; font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.login-box button:hover { background: var(--accent-hover); }
.error-msg { color: var(--danger); font-size: 13px; text-align: center; min-height: 20px; }

#page-app { display: flex; height: 100vh; }

.sidebar { width: 220px; background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 16px 12px; gap: 4px; flex-shrink: 0; }
.sidebar-logo { font-size: 20px; font-weight: 700; color: var(--accent); padding: 8px 12px 16px; }
.nav-btn { background: none; border: none; color: var(--text-muted); font-size: 14px; padding: 10px 14px; border-radius: 8px; cursor: pointer; text-align: left; transition: all 0.15s; }
.nav-btn:hover { background: var(--surface2); color: var(--text); }
.nav-btn.active { background: var(--accent); color: white; }
.sidebar-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
#nav-username { font-size: 13px; color: var(--text-muted); padding: 0 4px; }
#logout-btn { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 8px; color: var(--text-muted); cursor: pointer; font-size: 13px; }
#logout-btn:hover { color: var(--danger); border-color: var(--danger); }

.content { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.view { height: 100%; padding: 24px; overflow-y: auto; }

#view-chat { padding: 0; }
.chat-layout { display: flex; height: 100%; }
.sessions-panel { width: 220px; border-right: 1px solid var(--border); background: var(--surface); padding: 12px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; }
#new-session-btn { background: var(--accent); border: none; border-radius: 8px; padding: 10px; color: white; cursor: pointer; font-size: 13px; width: 100%; }
#new-session-btn:hover { background: var(--accent-hover); }
.session-item { padding: 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text-muted); transition: background 0.15s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.session-item:hover, .session-item.active { background: var(--surface2); color: var(--text); }
.chat-panel { flex: 1; display: flex; flex-direction: column; }
#chat-messages { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.msg { max-width: 75%; padding: 12px 16px; border-radius: 12px; font-size: 14px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.msg.user { background: var(--user-bubble); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.hermes { background: var(--hermes-bubble); align-self: flex-start; border-bottom-left-radius: 4px; border: 1px solid var(--border); }
.msg.streaming { opacity: 0.85; }
.chat-input-bar { padding: 16px; border-top: 1px solid var(--border); display: flex; gap: 10px; background: var(--surface); }
#chat-input { flex: 1; background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; color: var(--text); font-size: 14px; resize: none; outline: none; font-family: inherit; }
#chat-input:focus { border-color: var(--accent); }
#chat-send-btn { background: var(--accent); border: none; border-radius: 10px; padding: 12px 20px; color: white; cursor: pointer; font-size: 14px; font-weight: 600; }
#chat-send-btn:hover { background: var(--accent-hover); }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin: 20px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card-label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.card-value { font-size: 28px; font-weight: 700; color: var(--accent); }
.services-grid { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 20px; }
.service-item { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; }
.service-status { font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 20px; }
.service-status.active { background: rgba(74,222,128,0.15); color: var(--success); }
.service-status.inactive, .service-status.unknown { background: rgba(248,113,113,0.15); color: var(--danger); }
.status-refresh { font-size: 13px; color: var(--text-muted); }
.status-refresh button { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px; }

.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.tab-btn { background: none; border: none; color: var(--text-muted); padding: 8px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.tab-btn.active { background: var(--accent); color: white; }
.config-category { margin-bottom: 24px; }
.config-category h4 { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.config-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.config-field label { font-size: 13px; color: var(--text-muted); }
.config-field input { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; color: var(--text); font-size: 14px; outline: none; }
.config-field input:focus { border-color: var(--accent); }
#save-env-btn, #save-yaml-btn { background: var(--accent); border: none; border-radius: 8px; padding: 12px 24px; color: white; cursor: pointer; font-size: 14px; font-weight: 600; margin-top: 8px; }

.create-user-form { display: flex; gap: 12px; margin-bottom: 24px; }
.create-user-form input { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; color: var(--text); font-size: 14px; outline: none; flex: 1; }
#create-user-btn { background: var(--accent); border: none; border-radius: 8px; padding: 10px 20px; color: white; cursor: pointer; font-size: 14px; }
.user-item { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.user-item .delete-btn { background: none; border: 1px solid var(--danger); color: var(--danger); border-radius: 6px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
.user-item .delete-btn:hover { background: rgba(248,113,113,0.15); }

h2 { font-size: 22px; margin-bottom: 8px; }
h3 { font-size: 16px; margin: 16px 0 8px; }

.chat-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; border-bottom: 1px solid var(--border); background: var(--surface); font-weight: 600; }
.ws-indicator { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.ws-indicator.open { background: var(--success); box-shadow: 0 0 6px var(--success); }
.ws-indicator.connecting { background: #f59e0b; box-shadow: 0 0 6px #f59e0b; animation: pulse 1s infinite; }
.ws-indicator.closed { background: var(--danger); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }


/* Session delete button */
.session-item { display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.session-label { flex: 1; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-del-btn { flex-shrink: 0; background: none; border: none; color: var(--text-muted); font-size: 16px; line-height: 1; cursor: pointer; padding: 2px 6px; border-radius: 4px; opacity: 0; transition: opacity 0.15s, color 0.15s; }
.session-item:hover .session-del-btn { opacity: 1; }
.session-del-btn:hover { color: var(--danger); }

/* Thinking indicator */
.thinking { display: flex; gap: 5px; align-items: center; padding: 8px 24px; }
.thinking span { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: bounce 1.2s infinite; }
.thinking span:nth-child(2) { animation-delay: 0.2s; }
.thinking span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; } 40% { transform: scale(1); opacity: 1; } }

/* Send button disabled state */
#chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.approve-btn { background: none; border: 1px solid var(--success); color: var(--success); border-radius: 6px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
.approve-btn:hover { background: rgba(74,222,128,0.15); }

.log-box { background: #0a0c14; border: 1px solid var(--border); border-radius: 8px; padding: 16px; font-family: monospace; font-size: 12px; line-height: 1.6; color: #a0a8c0; white-space: pre-wrap; word-break: break-all; height: 500px; overflow-y: auto; }