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

:root {
  --bg: #f6f6f7;
  --surface: #ffffff;
  --border: #e1e3e5;
  --text: #1a1a1a;
  --muted: #6d7175;
  --primary: #008060;
  --primary-hover: #006e52;
  --danger: #d72c0d;
  --warning: #f4a100;
  --info: #0070f3;
  --success: #108043;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

/* ── Login ──────────────────────────────────────── */

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-card h1 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

/* ── Form elements ───────────────────────────────── */

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-align: left;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s;
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group {
  margin-bottom: 1rem;
  text-align: left;
}

/* ── Buttons ─────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border: none;
  border-radius: 7px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  width: 100%;
}

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}
.btn-ghost:hover { background: var(--border); color: var(--text); }

/* ── Error message ───────────────────────────────── */

.error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  min-height: 1.2em;
}

/* ── Dashboard layout ────────────────────────────── */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  flex: 1;
}

/* ── Tab bar ─────────────────────────────────────── */

.tab-bar {
  display: flex;
  gap: 0.15rem;
  background: var(--bg);
  border-radius: 8px;
  padding: 3px;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 0.35rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab-btn:hover { background: var(--border); color: var(--text); }

.tab-btn.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

/* ── Panel tabs ──────────────────────────────────── */

.panel-tab {
  display: contents; /* eredita il grid del .main */
}

.panel-tab[style*="display:none"] {
  display: none !important;
}

.main {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.5rem;
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 720px) {
  .main { grid-template-columns: 1fr; }
}

/* ── Prompt section ──────────────────────────────── */

.prompt-section {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.prompt-section h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.prompt-section textarea {
  min-height: 140px;
  margin-bottom: 1rem;
}

/* ── Active task card ────────────────────────────── */

.active-task {
  margin-top: 1.25rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  display: none;
}

.active-task.visible { display: block; }

.active-task-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.active-task-prompt {
  font-size: 0.9rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Task feed (sidebar) ─────────────────────────── */

.task-feed {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.task-feed h2 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.task-item {
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.75rem;
  margin-bottom: 0.6rem;
  cursor: pointer;
  transition: border-color 0.15s;
}

.task-item:hover { border-color: var(--primary); }
.task-item:last-child { margin-bottom: 0; }

.task-item-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.task-item-prompt {
  font-size: 0.88rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.task-item-time {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ── Sub-tasks ───────────────────────────────────── */

.subtasks {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  display: none;
}

.subtasks.open { display: block; }

.subtask-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.85rem;
}

.subtask-item + .subtask-item {
  border-top: 1px solid var(--bg);
}

.subtask-label {
  flex: 1;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Status badges ───────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-pending  { background: #fff3cd; color: #856404; }
.badge-running  { background: #cce5ff; color: #004085; }
.badge-completed { background: #d4edda; color: #155724; }
.badge-failed   { background: #f8d7da; color: #721c24; }
.badge-cancelled { background: #e2e3e5; color: #383d41; }

/* Spinner for running */
.spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid #004085;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Progress bar ────────────────────────────────── */

.progress-bar-wrap {
  background: var(--border);
  border-radius: 4px;
  height: 6px;
  margin: 0.5rem 0;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.4s;
}

/* ── Empty state ─────────────────────────────────── */

.empty-state {
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  padding: 2rem 0;
}

/* ── Toast / banner ──────────────────────────────── */

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--text);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }