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

/* Sleek scrollbars (desktop) */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.12) transparent; }

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2332;
  --bg-hover: #1e293b;
  --bg-message: #1a2332;
  --bg-user-message: #0f3460;
  --border: #1e293b;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.15);
  --danger: #ef4444;
  --success: #22c55e;
  --scrollbar-bg: #111827;
  --scrollbar-thumb: #334155;
}

html, body { height: 100%; font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; background: var(--bg-primary); color: var(--text-primary); }

.screen { height: 100vh; width: 100vw; }
.hidden { display: none !important; }

/* Login */
#login-screen { display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at center, #0a1628 0%, #050a12 100%); }
.login-card { text-align: center; padding: 3rem; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-secondary); width: 380px; }
.login-logo { font-size: 4rem; color: var(--accent); margin-bottom: 1rem; filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.4)); }
.login-card h1 { font-size: 1.5rem; letter-spacing: 0.3em; color: var(--accent); margin-bottom: 0.3rem; }
.login-subtitle { color: var(--text-muted); font-size: 0.8rem; letter-spacing: 0.15em; margin-bottom: 2rem; }
.login-card input { width: 100%; padding: 0.75rem 1rem; margin-bottom: 0.75rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-family: inherit; font-size: 0.85rem; outline: none; transition: border-color 0.2s; }
.login-card input:focus { border-color: var(--accent); }
.login-card button { width: 100%; padding: 0.75rem; background: linear-gradient(135deg, #00d4ff 0%, #0088cc 100%); border: none; border-radius: 6px; color: #000; font-weight: 700; font-size: 0.85rem; letter-spacing: 0.1em; cursor: pointer; transition: opacity 0.2s; }
.login-card button:hover { opacity: 0.9; }
.error { color: var(--danger); font-size: 0.8rem; margin-top: 0.5rem; }

/* App Layout */
#app-screen { display: flex; height: 100vh; }

/* Sidebar */
.sidebar { width: 320px; min-width: 320px; background: var(--bg-secondary); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.sidebar-header { display: flex; align-items: center; padding: 1rem; border-bottom: 1px solid var(--border); gap: 0.75rem; }
.sidebar-logo { font-size: 1.5rem; color: var(--accent); }
.sidebar-title { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.2em; color: var(--accent); flex: 1; }
.sidebar-header button { background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--accent); width: 32px; height: 32px; border-radius: 6px; cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; }
.sidebar-header button:hover { background: var(--bg-hover); }
/* Thread List */
.thread-list { flex: 1; overflow-y: auto; }
.thread-item { padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); cursor: pointer; transition: background 0.15s; }
.thread-item:hover { background: var(--bg-hover); }
.thread-item.active { background: var(--accent-dim); border-left: 3px solid var(--accent); }
.thread-item-name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.25rem; }
.thread-item-meta { font-size: 0.7rem; color: var(--text-muted); display: flex; gap: 0.5rem; }
.thread-agent-dots { display: flex; gap: 2px; margin-left: auto; }
.thread-agent-dot { width: 8px; height: 8px; border-radius: 50%; }

/* Main Area */
.main { flex: 1; display: flex; flex-direction: column; position: relative; min-height: 0; overflow: hidden; }
.no-thread { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-muted); }
.no-thread-icon { font-size: 5rem; color: var(--accent); opacity: 0.2; margin-bottom: 1rem; }
.no-thread h2 { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 0.5rem; }

/* Chat View */
.chat-view { flex: 1; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.chat-header { display: flex; align-items: center; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
.chat-header-info { flex: 1; }
.chat-header h2 { font-size: 0.95rem; color: var(--text-primary); }
.chat-agents-count { font-size: 0.7rem; color: var(--text-muted); }
.btn-icon { background: none; border: 1px solid var(--border); color: var(--text-secondary); padding: 0.4rem 0.6rem; border-radius: 6px; cursor: pointer; font-size: 1rem; }
.btn-icon:hover { background: var(--bg-hover); color: var(--accent); }

/* Cost Bar */
.cost-bar { display: flex; gap: 1.2rem; padding: 0.25rem 1rem; background: var(--bg-primary); border-bottom: 1px solid var(--border); font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; font-size: 0.68rem; color: var(--text-muted); }
.cost-bar span { white-space: nowrap; }
.cost-bar.cost-green { color: #22c55e; }
.cost-bar.cost-yellow { color: #eab308; }
.cost-bar.cost-red { color: #ef4444; }

/* Cost Analysis in Settings */
.cost-agent-table { width: 100%; font-size: 0.72rem; border-collapse: collapse; margin-bottom: 0.75rem; }
.cost-agent-table th, .cost-agent-table td { padding: 0.3rem 0.5rem; text-align: left; border-bottom: 1px solid var(--border); }
.cost-agent-table th { color: var(--accent); font-size: 0.65rem; letter-spacing: 0.1em; }
.cost-agent-table td { color: var(--text-secondary); }
.cost-daily-chart { margin-bottom: 0.75rem; }
.cost-daily-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.2rem; font-size: 0.68rem; color: var(--text-muted); }
.cost-daily-label { width: 70px; text-align: right; flex-shrink: 0; }
.cost-daily-bar { height: 14px; background: var(--accent); border-radius: 2px; min-width: 1px; transition: width 0.3s; }
.cost-daily-val { min-width: 50px; }
.cost-reset-btn { background: var(--bg-tertiary); border: 1px solid var(--danger); color: var(--danger); padding: 0.35rem 0.75rem; border-radius: 4px; font-family: inherit; font-size: 0.7rem; cursor: pointer; }
.cost-reset-btn:hover { background: rgba(239,68,68,0.1); }

/* Messages */
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
.chat-messages::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

.message { max-width: 80%; padding: 0.6rem 0.85rem; border-radius: 12px; font-size: 0.85rem; line-height: 1.5; word-wrap: break-word; position: relative; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.message.user { align-self: flex-end; background: var(--bg-user-message); border-bottom-right-radius: 4px; }
.message.agent { align-self: flex-start; background: var(--bg-message); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.message.system { align-self: center; background: none; color: var(--text-muted); font-size: 0.75rem; font-style: italic; }
.message-sender { font-size: 0.7rem; font-weight: 700; margin-bottom: 0.25rem; letter-spacing: 0.05em; }
.message-text { white-space: pre-wrap; }
.message-time { font-size: 0.6rem; color: var(--text-muted); margin-top: 0.3rem; text-align: right; }
.message-avatar { width: 96px; height: 96px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; color: #000; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.1); }
.message-avatar-img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.15); box-shadow: 0 0 12px rgba(0,0,0,0.5); }
.message-avatar-img.user-avatar { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--accent); box-shadow: 0 0 10px rgba(0,212,255,0.2); }

/* TTS speaking glow */
@keyframes avatar-speak-pulse {
  0%   { box-shadow: 0 0 8px 2px var(--speak-glow), 0 0 0 0 var(--speak-glow); border-color: var(--speak-glow); }
  50%  { box-shadow: 0 0 18px 6px var(--speak-glow), 0 0 30px 10px transparent; border-color: var(--speak-glow-bright); }
  100% { box-shadow: 0 0 8px 2px var(--speak-glow), 0 0 0 0 var(--speak-glow); border-color: var(--speak-glow); }
}
.message-avatar-img.speaking {
  --speak-glow: rgba(0, 212, 255, 0.5);
  --speak-glow-bright: rgba(0, 212, 255, 0.9);
  animation: avatar-speak-pulse 1.5s ease-in-out infinite;
  border: 2px solid var(--speak-glow);
}
.message-wrapper { display: flex; gap: 0.5rem; max-width: 80%; }
.message-wrapper.user { align-self: flex-end; flex-direction: row-reverse; }
.message-wrapper.agent { align-self: flex-start; }
.message-wrapper.system { align-self: center; }

/* Typing */
.typing-indicator { padding: 0.5rem 1rem; font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

/* Chat Input */
.chat-input-bar { display: flex; padding: 0.75rem; gap: 0.5rem; border-top: 1px solid var(--border); background: var(--bg-secondary); flex-shrink: 0; }
.chat-input-bar textarea { flex: 1; padding: 0.6rem 0.85rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 20px; color: var(--text-primary); font-family: inherit; font-size: 0.85rem; resize: none; outline: none; max-height: 120px; }
.chat-input-bar textarea:focus { border-color: var(--accent); }
.chat-input-bar button { width: 40px; height: 40px; background: var(--accent); border: none; border-radius: 50%; color: #000; font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: opacity 0.2s; flex-shrink: 0; }
.chat-input-bar button:hover { opacity: 0.85; }

/* Agent Panel */
.agent-panel { position: absolute; top: 0; right: 0; bottom: 0; width: 360px; background: var(--bg-secondary); border-left: 1px solid var(--border); z-index: 10; display: flex; flex-direction: column; }
.agent-panel-content { flex: 1; overflow-y: auto; }
.agent-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem; border-bottom: 1px solid var(--border); }
.agent-panel-header h3 { font-size: 0.9rem; color: var(--accent); letter-spacing: 0.1em; }
.agent-panel-header button { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.agent-panel-header button:hover { color: var(--text-primary); }
.btn-toggle-all { background: var(--bg-tertiary) !important; border: 1px solid var(--border) !important; color: var(--accent) !important; padding: 0.25rem 0.6rem !important; border-radius: 4px !important; font-size: 0.65rem !important; font-weight: 700; letter-spacing: 0.1em; cursor: pointer; transition: background 0.2s; }
.btn-toggle-all:hover { background: var(--accent-dim) !important; }

.agent-list { padding: 0.5rem; }
.agent-card { display: flex; align-items: center; gap: 0.75rem; padding: 0.65rem 0.75rem; border-radius: 8px; margin-bottom: 0.25rem; transition: background 0.15s; }
.agent-card:hover { background: var(--bg-hover); }
.agent-avatar { width: 104px; height: 104px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.5rem; color: #000; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.1); }
.agent-avatar-img { width: 104px; height: 104px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.15); box-shadow: 0 0 12px rgba(0,0,0,0.4); }
.agent-info { flex: 1; min-width: 0; }
.agent-name { font-size: 0.8rem; font-weight: 700; color: var(--text-primary); }
.agent-role { font-size: 0.65rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.agent-toggle { width: 44px; height: 24px; border-radius: 12px; border: none; cursor: pointer; position: relative; transition: background 0.2s; flex-shrink: 0; }
.agent-toggle.active { background: var(--accent); }
.agent-toggle.inactive { background: var(--bg-tertiary); border: 1px solid var(--border); }
.agent-toggle::after { content: ''; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: #fff; top: 3px; transition: left 0.2s; }
.agent-toggle.active::after { left: 23px; }
.agent-toggle.inactive::after { left: 3px; background: var(--text-muted); }

/* Token badge */
.message-tokens { font-size: 0.55rem; color: var(--text-muted); margin-top: 0.15rem; text-align: right; opacity: 0.7; }
.message-tokens .cost { color: var(--accent); margin-left: 0.4em; }

/* Agent model select in crew panel */
.agent-model-select { width: 100%; margin-top: 0.3rem; padding: 0.3rem 0.5rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-secondary); font-family: inherit; font-size: 0.65rem; outline: none; }
.agent-model-select:focus { border-color: var(--accent); }
.cost-badge { display: inline-block; font-size: 0.55rem; padding: 0.1rem 0.3rem; border-radius: 3px; margin-left: 0.3rem; font-weight: 700; }
.cost-badge.tier-3 { background: #ff444433; color: #ff6666; }
.cost-badge.tier-2 { background: #ffaa0033; color: #ffcc44; }
.cost-badge.tier-1 { background: #22c55e33; color: #44dd66; }
.cost-badge.tier-free { background: #00d4ff22; color: var(--accent); }

/* Settings Panel */
.settings-panel { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; display: flex; align-items: center; justify-content: center; }
.settings-panel-content { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; width: 640px; max-height: 85vh; display: flex; flex-direction: column; }
.settings-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.settings-panel-header h3 { font-size: 0.9rem; color: var(--accent); letter-spacing: 0.15em; }
.settings-panel-header button { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.settings-panel-header button:hover { color: var(--text-primary); }
.settings-body { flex: 1; overflow-y: auto; padding: 1.25rem; }
.settings-section { margin-bottom: 1.5rem; }
.settings-section h4 { font-size: 0.7rem; color: var(--accent); letter-spacing: 0.2em; margin-bottom: 0.75rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); }
.setting-row { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0; }
.setting-row label { font-size: 0.78rem; color: var(--text-secondary); }
.setting-control { display: flex; align-items: center; gap: 0.5rem; }
.setting-val { font-size: 0.8rem; color: var(--accent); min-width: 2em; text-align: center; font-weight: 700; }
input[type="range"] { -webkit-appearance: none; width: 140px; height: 4px; background: var(--bg-tertiary); border-radius: 2px; outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); cursor: pointer; }

/* Provider cards */
.provider-card { background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 8px; padding: 0.85rem; margin-bottom: 0.5rem; }
.provider-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
.provider-status { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.provider-status.configured { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,0.5); }
.provider-status.unconfigured { background: var(--text-muted); }
.provider-name { font-size: 0.8rem; font-weight: 700; color: var(--text-primary); flex: 1; }
.provider-toggle { width: 36px; height: 20px; border-radius: 10px; border: none; cursor: pointer; position: relative; transition: background 0.2s; flex-shrink: 0; }
.provider-toggle.on { background: var(--accent); }
.provider-toggle.off { background: var(--bg-primary); border: 1px solid var(--border); }
.provider-toggle::after { content: ''; position: absolute; width: 14px; height: 14px; border-radius: 50%; background: #fff; top: 3px; transition: left 0.2s; }
.provider-toggle.on::after { left: 19px; }
.provider-toggle.off::after { left: 3px; background: var(--text-muted); }
.provider-key-row { display: flex; gap: 0.5rem; align-items: center; }
.provider-key-input { flex: 1; padding: 0.4rem 0.6rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-primary); font-family: inherit; font-size: 0.75rem; outline: none; }
.provider-key-input:focus { border-color: var(--accent); }
.provider-key-toggle { background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 4px; padding: 0.3rem 0.5rem; cursor: pointer; font-size: 0.65rem; }
.provider-key-toggle:hover { color: var(--text-primary); }
.provider-models { font-size: 0.65rem; color: var(--text-muted); margin-top: 0.4rem; }

/* Google Multi-Account */
.google-accounts-card { border-color: rgba(0,212,255,0.2); }
.google-accounts-list { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.5rem 0; }
.google-account-row { display: flex; align-items: center; gap: 0.4rem; }
.google-account-row .ga-name { width: 110px; flex-shrink: 0; padding: 0.35rem 0.5rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-primary); font-family: inherit; font-size: 0.75rem; outline: none; }
.google-account-row .ga-key { flex: 1; padding: 0.35rem 0.5rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-primary); font-family: inherit; font-size: 0.75rem; outline: none; }
.google-account-row .ga-name:focus, .google-account-row .ga-key:focus { border-color: var(--accent); }
.google-account-row .ga-key-toggle { background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 4px; padding: 0.25rem 0.4rem; cursor: pointer; font-size: 0.6rem; flex-shrink: 0; }
.google-account-row .ga-key-toggle:hover { color: var(--text-primary); }
.google-account-row .ga-delete { background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 4px; padding: 0.25rem 0.5rem; cursor: pointer; font-size: 0.7rem; flex-shrink: 0; }
.google-account-row .ga-delete:hover { color: var(--danger); border-color: var(--danger); }
.ga-add-btn { background: var(--accent); color: #000; border: none; border-radius: 4px; padding: 0.35rem 0.75rem; font-family: inherit; font-size: 0.72rem; font-weight: 700; cursor: pointer; margin-top: 0.25rem; }
.ga-add-btn:hover { opacity: 0.85; }

.settings-footer { padding: 0.85rem 1.25rem; border-top: 1px solid var(--border); }
.btn-primary { width: 100%; padding: 0.6rem; background: linear-gradient(135deg, #00d4ff 0%, #0088cc 100%); border: none; border-radius: 6px; color: #000; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.1em; cursor: pointer; font-family: inherit; }
.btn-primary:hover { opacity: 0.9; }

.sidebar-footer { padding: 0.75rem; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 0.4rem; }
.sidebar-footer button { width: 100%; padding: 0.5rem; background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 6px; cursor: pointer; font-family: inherit; font-size: 0.75rem; }
#settings-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Thread items */
.thread-item { position: relative; }

.message-wrapper { position: relative; }
.msg-delete-btn { position: absolute; top: 2px; right: 2px; background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--text-muted); font-size: 0.65rem; cursor: pointer; opacity: 0; transition: opacity 0.15s, color 0.15s; padding: 2px 5px; border-radius: 4px; z-index: 2; line-height: 1; }
.message-wrapper:hover .msg-delete-btn { opacity: 1; }
.msg-delete-btn:hover { color: var(--danger); border-color: var(--danger); }
.message-wrapper.user .msg-delete-btn { right: auto; left: 2px; }

/* Modal */
/* Workflow Buttons Bar */
.workflow-buttons { display: flex; gap: 0.4rem; padding: 0.4rem 0.75rem; overflow-x: auto; border-top: 1px solid var(--border); background: var(--bg-secondary); flex-shrink: 0; }
.workflow-buttons::-webkit-scrollbar { height: 3px; }
.workflow-buttons::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }
.wf-pill { padding: 0.3rem 0.65rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 14px; color: var(--accent); font-size: 0.7rem; font-family: inherit; cursor: pointer; white-space: nowrap; transition: border-color 0.15s, background 0.15s; }
.wf-pill:hover { border-color: var(--accent); background: var(--accent-dim); }

/* Workflow Progress */
.workflow-progress { display: flex; align-items: center; gap: 0.3rem; padding: 0.45rem 0.75rem; border-bottom: 1px solid var(--border); background: var(--bg-secondary); font-size: 0.7rem; flex-wrap: wrap; }
.wf-prog-step { display: flex; align-items: center; gap: 0.2rem; padding: 0.15rem 0.45rem; border-radius: 10px; background: var(--bg-tertiary); color: var(--text-muted); }
.wf-prog-step.running { color: var(--accent); background: var(--accent-dim); animation: wfPulse 1.5s infinite; }
.wf-prog-step.complete { color: var(--success); }
.wf-prog-step.failed { color: var(--danger); }
.wf-prog-arrow { color: var(--text-muted); font-size: 0.65rem; }
@keyframes wfPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }

/* Workflow Editor Modal */
.wf-modal-content { width: 620px; max-height: 85vh; overflow-y: auto; }
.wf-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.wf-modal-header h3 { font-size: 1rem; color: var(--accent); letter-spacing: 0.1em; }
.wf-modal-header button { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.wf-modal-header button:hover { color: var(--text-primary); }
.wf-chain-display { display: flex; align-items: center; gap: 0.3rem; padding: 0.6rem; background: var(--bg-primary); border-radius: 8px; margin-bottom: 0.75rem; overflow-x: auto; flex-wrap: wrap; }
.wf-chain-chip { padding: 0.25rem 0.6rem; border-radius: 12px; font-size: 0.72rem; font-weight: 700; color: #000; white-space: nowrap; }
.wf-chain-arrow { color: var(--text-muted); font-size: 0.8rem; }
.wf-steps-editor { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.75rem; }
.wf-step-card { display: flex; gap: 0.5rem; padding: 0.5rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 8px; align-items: flex-start; }
.wf-step-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.wf-step-info { flex: 1; min-width: 0; }
.wf-step-name { font-size: 0.75rem; font-weight: 700; margin-bottom: 0.25rem; }
.wf-step-brief { width: 100%; padding: 0.35rem 0.5rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-primary); font-family: inherit; font-size: 0.72rem; resize: vertical; min-height: 2.5rem; outline: none; }
.wf-step-brief:focus { border-color: var(--accent); }
.wf-step-actions { display: flex; flex-direction: column; gap: 0.2rem; flex-shrink: 0; }
.wf-step-actions button { background: none; border: 1px solid var(--border); color: var(--text-muted); border-radius: 4px; width: 24px; height: 24px; font-size: 0.65rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.wf-step-actions button:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.wf-step-actions button.wf-step-remove:hover { color: var(--danger); border-color: var(--danger); }
.wf-add-step-row { display: flex; gap: 0.4rem; margin-bottom: 0.75rem; }
.wf-add-step-row select { flex: 1; padding: 0.35rem 0.5rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 4px; color: var(--text-secondary); font-family: inherit; font-size: 0.75rem; outline: none; }
.wf-briefing-row { margin-bottom: 0.75rem; }
.wf-briefing-row label { display: block; font-size: 0.72rem; color: var(--text-muted); margin-bottom: 0.3rem; letter-spacing: 0.05em; }
.wf-briefing-row textarea { width: 100%; padding: 0.5rem 0.65rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-family: inherit; font-size: 0.82rem; resize: vertical; outline: none; }
.wf-briefing-row textarea:focus { border-color: var(--accent); }
.wf-run-btn { background: linear-gradient(135deg, #00d4ff 0%, #0088cc 100%) !important; color: #000 !important; font-weight: 700; letter-spacing: 0.05em; }
.wf-run-btn:hover { opacity: 0.9; }

/* Save workflow prompt */
.wf-save-prompt { display: flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.75rem; background: var(--accent-dim); border-top: 1px solid var(--border); font-size: 0.72rem; color: var(--text-secondary); }
.wf-save-prompt button { padding: 0.2rem 0.6rem; border-radius: 4px; border: 1px solid var(--border); background: var(--bg-tertiary); color: var(--accent); font-family: inherit; font-size: 0.68rem; cursor: pointer; }
.wf-save-prompt button:hover { background: var(--accent-dim); }

/* Thread sections */
.thread-section-label { padding: 0.5rem 1rem 0.3rem; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.15em; color: var(--text-muted); text-transform: uppercase; border-bottom: 1px solid var(--border); }
.thread-section-label.collapsible { cursor: pointer; user-select: none; }
.thread-section-label.collapsible:hover { color: var(--text-secondary); }
.thread-section-label .section-toggle { display: inline-block; transition: transform 0.2s; font-size: 0.5rem; }
.thread-section-label.expanded .section-toggle { transform: rotate(90deg); }
.thread-item.archived { opacity: 0.6; }

/* Thread hover actions */
.thread-hover-actions { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; z-index: 2; }
.thread-item:hover .thread-hover-actions { opacity: 1; }
.thread-action-btn { background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--text-muted); font-size: 0.65rem; cursor: pointer; padding: 2px 4px; border-radius: 4px; line-height: 1; }
.thread-action-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.thread-action-btn.delete-btn:hover { color: var(--danger); border-color: var(--danger); }

/* Context menu */
.thread-context-menu { position: fixed; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 0.3rem; z-index: 999; min-width: 140px; box-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.ctx-item { padding: 0.4rem 0.65rem; font-size: 0.75rem; cursor: pointer; border-radius: 4px; color: var(--text-primary); }
.ctx-item:hover { background: var(--bg-hover); }
.ctx-item.danger:hover { color: var(--danger); }

/* Search modal */
.search-modal-content { width: 560px; max-height: 80vh; display: flex; flex-direction: column; }
.search-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.search-modal-header h3 { font-size: 0.9rem; color: var(--accent); letter-spacing: 0.1em; }
.search-modal-header button { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.search-modal-header button:hover { color: var(--text-primary); }
.search-results { flex: 1; overflow-y: auto; max-height: 55vh; }
.search-empty { text-align: center; color: var(--text-muted); padding: 2rem; font-size: 0.8rem; }
.search-result { padding: 0.6rem 0.75rem; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.4rem; background: var(--bg-tertiary); cursor: pointer; transition: border-color 0.15s; }
.search-result:hover { border-color: var(--accent); }
.search-result-thread { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.search-result-sender { font-size: 0.7rem; font-weight: 700; margin-bottom: 0.15rem; }
.search-result-snippet { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.4; }
.search-result-snippet mark { background: rgba(0,212,255,0.3); color: var(--accent); border-radius: 2px; padding: 0 2px; }
.search-result-time { font-size: 0.6rem; color: var(--text-muted); margin-top: 0.2rem; text-align: right; }

/* Message highlight from search */
.message-wrapper.highlight { animation: searchHighlight 2s ease; }
@keyframes searchHighlight { 0%,30% { outline: 2px solid var(--accent); outline-offset: 4px; } 100% { outline-color: transparent; } }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-content { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; width: 420px; }
.modal-content h3 { font-size: 1rem; color: var(--accent); margin-bottom: 1rem; letter-spacing: 0.1em; }
.modal-content input, .modal-content textarea { width: 100%; padding: 0.65rem 0.85rem; margin-bottom: 0.75rem; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); font-family: inherit; font-size: 0.85rem; outline: none; resize: none; }
.modal-content input:focus, .modal-content textarea:focus { border-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 0.5rem; }
.modal-actions button { padding: 0.5rem 1.25rem; border-radius: 6px; border: none; font-family: inherit; font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.modal-actions .btn-secondary { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border); }
.modal-actions button:not(.btn-secondary) { background: var(--accent); color: #000; }

/* Attachment UI */
.input-actions { display: flex; align-items: center; gap: 0.25rem; }
.input-action-btn { 
  background: none; border: none; color: var(--text-muted); font-size: 1.2rem; 
  cursor: pointer; padding: 0.4rem; border-radius: 6px; transition: all 0.15s;
}
.input-action-btn:hover { color: var(--accent); background: var(--bg-tertiary); }
.input-actions { position: relative; }
.attach-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  background: #1a2332;
  border: 1px solid #2a3a4a;
  border-radius: 10px;
  padding: 6px;
  min-width: 180px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.7);
  z-index: 100;
}
.attach-menu.hidden { display: none; }
.attach-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  background: transparent;
  border: none;
  color: #e0e0e0;
  font-size: 14px;
  cursor: pointer;
  border-radius: 6px;
  font-family: inherit;
  white-space: nowrap;
}
.attach-option:hover { background: #2a3a4a; color: #0af; }
.attach-option svg { flex-shrink: 0; }
.attachment-preview {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary); border-top: 1px solid var(--border); font-size: 0.8rem;
}
.attachment-preview.hidden { display: none; }
.attachment-preview-thumb { width: 48px; height: 48px; border-radius: 6px; object-fit: cover; }
.attachment-preview-icon { font-size: 1.8rem; }
.attachment-preview-info { flex: 1; min-width: 0; }
.attachment-preview-name { color: var(--text-primary); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.attachment-preview-size { color: var(--text-muted); font-size: 0.75rem; }
.attachment-preview-remove { background: none; border: none; color: var(--text-muted); font-size: 1rem; cursor: pointer; padding: 0.25rem; }
.attachment-preview-remove:hover { color: #f44; }

/* Message attachments */
.msg-attachment { 
  margin-top: 0.4rem; border-radius: 8px; overflow: hidden; max-width: 300px;
}
.msg-attachment img { width: 100%; border-radius: 8px; cursor: pointer; }
.msg-attachment video { width: 100%; border-radius: 8px; }
.msg-attachment audio { width: 100%; }
.msg-attachment-file {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary); border-radius: 8px; border: 1px solid var(--border);
  text-decoration: none; color: var(--text-primary); font-size: 0.8rem;
}
.msg-attachment-file:hover { background: var(--bg-hover); }
.msg-attachment-file .file-icon { font-size: 1.4rem; }
.msg-attachment-file .file-info { flex: 1; min-width: 0; }
.msg-attachment-file .file-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg-attachment-file .file-meta { color: var(--text-muted); font-size: 0.7rem; }

/* Sidebar toggle button */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 100;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--accent);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  font-size: 1.3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.sidebar-toggle:hover { background: var(--bg-hover); }

/* Mobile responsive */
@media (max-width: 768px) {
  .sidebar-toggle { display: flex; }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: 280px;
    min-width: 280px;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 40;
  }
  .sidebar-overlay.show { display: block; }
  
  .chat-area { width: 100% !important; }
  .message { max-width: 95%; }
  .message-wrapper { max-width: 95%; }
  .input-area { padding: 0.5rem; }
  .input-area textarea { font-size: 16px; } /* prevents iOS zoom */
  
  .agent-panel { width: 100%; }
  .settings-panel-content { width: 95vw; }
}