:root {
  --bg-deep: #0a0a0b;
  --bg-panel: #121214;
  --bg-elevated: #18181b;
  --bg-hover: #1f1f23;
  --border: #27272a;
  --border-strong: #3f3f46;
  --text-primary: #fafaf9;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;

  --accent-cyan: #22d3ee;
  --accent-emerald: #34d399;
  --accent-rose: #fb7185;
  --accent-amber: #fbbf24;
  --accent-violet: #a78bfa;
  --accent-orange: #fb923c;
  --accent-teal: #2dd4bf;
  --accent-yellow: #fde047;
  --accent-indigo: #818cf8;

  --font-display: 'Bricolage Grotesque', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font-mono);
  background: var(--bg-deep);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(34, 211, 238, 0.04), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(167, 139, 250, 0.04), transparent 40%);
}

/* ─── AUTH SCREEN ────────────────────────────────────────── */
.auth-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 10;
}
.auth-card {
  width: 400px;
  max-width: 90vw;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
}
.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.auth-logo span {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.auth-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-deep);
  padding: 4px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
}
.auth-tab.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
}
.auth-error {
  color: var(--accent-rose);
  font-size: 11px;
  min-height: 16px;
  margin: 8px 0;
  text-align: center;
}
.auth-submit {
  width: 100%;
  background: var(--accent-cyan);
  color: var(--bg-deep);
  border: none;
  padding: 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 4px;
}
.auth-submit:hover:not(:disabled) { opacity: 0.9; }
.auth-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── APP LAYOUT ─────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-rows: auto auto 1fr;
  height: 100vh;
}

header.top {
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(8px);
}
header.top h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  display: flex;
  gap: 12px;
  align-items: baseline;
}
header.top h1 .sub {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
header.top .status {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.user-email {
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: var(--text-secondary) !important;
}
.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.logout-btn:hover { border-color: var(--accent-rose); color: var(--accent-rose); }

.pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

/* ─── MAIN GRID ──────────────────────────────────────────── */
main.grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  overflow: hidden;
}

aside.sidebar {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
}
.sidebar-section {
  padding: 14px 10px 8px;
  border-bottom: 1px solid var(--border);
}
.sidebar-section.sidebar-agents {
  flex: 1;
  border-bottom: none;
}
.sidebar-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  padding: 4px 8px 10px;
  font-weight: 500;
}

/* ─── CLIENT CARDS (sidebar) ─────────────────────────────── */
.client-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  position: relative;
  margin-bottom: 2px;
}
.client-card:hover { background: var(--bg-elevated); }
.client-card.active {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
}
.client-card.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--accent-cyan);
  border-radius: 0 2px 2px 0;
}
.client-card-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  padding-right: 20px;
}
.client-card-act {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
}
.client-card-menu {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 13px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}
.client-card:hover .client-card-menu { opacity: 1; }
.client-card-menu:hover { color: var(--accent-cyan); background: var(--bg-hover); }
.client-empty {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}
.client-list-toggle {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 10px;
  cursor: pointer;
  text-align: left;
  transition: color 0.15s;
  letter-spacing: 0.05em;
}
.client-list-toggle:hover { color: var(--accent-cyan); }

.sidebar-add-btn {
  width: 100%;
  margin-top: 6px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--text-tertiary);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: left;
  transition: all 0.15s ease;
}
.sidebar-add-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.04);
}

.agent-card {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 4px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  align-items: center;
  position: relative;
}
.agent-card:hover { background: var(--bg-elevated); }
.agent-card.active {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
}
.agent-card.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--agent-color);
  border-radius: 0 2px 2px 0;
}
.agent-card.disabled { opacity: 0.4; cursor: not-allowed; }
.agent-emoji {
  font-size: 20px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--bg-deep);
  border-radius: 6px;
  border: 1px solid var(--border);
}
.agent-card.active .agent-emoji {
  border-color: var(--agent-color);
  box-shadow: 0 0 0 1px var(--agent-color);
}
.agent-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.2;
}
.agent-handle {
  font-size: 10px;
  color: var(--text-tertiary);
}

/* ─── PANEL ──────────────────────────────────────────────── */
section.panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}

.agent-header {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-panel);
}
.agent-header .av {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 22px;
}
.agent-header h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
}
.agent-header .role {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.agent-header .client-badge {
  margin-left: auto;
  padding: 6px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
}
.client-badge .badge-name {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
}
.client-badge .badge-act {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-tertiary);
}

/* ─── MESSAGES ───────────────────────────────────────────── */
.conversation {
  overflow-y: auto;
  padding: 24px 28px;
}
.empty-state {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-tertiary);
}
.empty-state .big {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.empty-state .hint {
  font-size: 12px;
  max-width: 420px;
  line-height: 1.6;
}
.empty-state .cta {
  margin-top: 20px;
  padding: 10px 18px;
  background: var(--accent-cyan);
  color: var(--bg-deep);
  border: none;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.msg { margin-bottom: 28px; max-width: 920px; }
.msg-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.msg-meta .who { color: var(--agent-color, var(--text-secondary)); font-weight: 700; }
.msg-meta .cmd {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text-secondary);
  text-transform: none;
  letter-spacing: 0;
}
.msg-body {
  padding: 16px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-left: 3px solid var(--agent-color, var(--border-strong));
  line-height: 1.65;
  font-size: 13px;
}
.msg.user .msg-body {
  background: transparent;
  border-left-color: var(--accent-amber);
  color: var(--text-secondary);
}
.msg.user .msg-meta .who { color: var(--accent-amber); }
.msg-body p { margin: 0 0 10px; }
.msg-body p:last-child { margin: 0; }
.msg-body h1, .msg-body h2, .msg-body h3 {
  font-family: var(--font-display);
  margin: 14px 0 8px;
  font-weight: 500;
}
.msg-body h1 { font-size: 18px; }
.msg-body h2 { font-size: 16px; }
.msg-body h3 { font-size: 14px; }
.msg-body ul, .msg-body ol { margin: 8px 0 12px 18px; }
.msg-body li { margin-bottom: 4px; }
.msg-body code {
  background: var(--bg-deep);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--accent-cyan);
}
.msg-body pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 10px 0;
}
.msg-body pre code { background: none; padding: 0; color: var(--text-primary); }
.msg-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 12px;
}
.msg-body th, .msg-body td {
  text-align: left;
  padding: 6px 10px;
  border: 1px solid var(--border);
}
.msg-body th {
  background: var(--bg-deep);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.05em;
}
.msg-body strong { color: var(--text-primary); font-weight: 600; }

.typing { display: inline-flex; gap: 4px; align-items: center; }
.typing .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--agent-color, var(--text-tertiary));
  animation: typing 1.4s infinite ease-in-out both;
}
.typing .dot:nth-child(2) { animation-delay: 0.16s; }
.typing .dot:nth-child(3) { animation-delay: 0.32s; }
@keyframes typing {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ─── COMMAND BAR ────────────────────────────────────────── */
.command-bar {
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 16px 24px;
}
.commands-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}
.commands { display: flex; flex-wrap: wrap; gap: 8px; }
.cmd-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cmd-btn::before {
  content: '*';
  color: var(--agent-color, var(--text-tertiary));
  font-weight: 700;
}
.cmd-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--agent-color, var(--border-strong));
  color: var(--text-primary);
}
.cmd-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.free-input { margin-top: 12px; display: flex; gap: 8px; }
.free-input input[type="text"] {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
}
.free-input input[type="text"]:focus { border-color: var(--agent-color, var(--border-strong)); }
.free-input input[type="text"]::placeholder { color: var(--text-tertiary); }
.free-input button#send-free {
  background: var(--agent-color, var(--accent-cyan));
  color: var(--bg-deep);
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.free-input button#send-free:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── ATTACH ─────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.free-input button.attach-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
}
.free-input button.attach-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--agent-color, var(--accent-cyan));
  color: var(--text-primary);
}
.attachment-preview {
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}
.attachment-preview .att-icon { font-size: 18px; }
.attachment-preview .att-info { flex: 1; }
.attachment-preview .att-name { color: var(--text-primary); font-weight: 500; }
.attachment-preview .att-meta { color: var(--text-tertiary); font-size: 10px; margin-top: 2px; }
.attachment-preview .att-remove {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 16px;
  width: 24px;
  height: 24px;
  border-radius: 4px;
}
.attachment-preview .att-remove:hover { background: var(--bg-hover); color: var(--accent-rose); }
.msg-attachment {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

/* ─── MODAL ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  place-items: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}
.modal-backdrop.show { display: grid; }
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 24px;
  width: 460px;
  max-width: 90vw;
}
.modal h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}
.modal .modal-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 18px;
  line-height: 1.6;
}
.modal-field { margin-bottom: 14px; }
.modal-field label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}
.modal-field input,
.modal-field textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  resize: vertical;
}
.modal-field input:focus,
.modal-field textarea:focus { border-color: var(--accent-cyan); }
.modal-field .hint { font-size: 10px; color: var(--text-tertiary); margin-top: 4px; }
#bulk-preview { margin-top: 12px; font-size: 11px; color: var(--text-tertiary); }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}
.modal-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border: 1px solid var(--border);
}
.btn-cancel { background: transparent; color: var(--text-secondary); }
.btn-cancel:hover { background: var(--bg-elevated); }
.btn-run, .btn-save {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  border: none;
}
.btn-run:hover, .btn-save:hover { opacity: 0.9; }

/* ─── SCROLLBARS ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 5px;
  border: 2px solid var(--bg-panel);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }