:root {
  --teal: #0f766e;
  --teal-dark: #0b5952;
  --bg: #f7f8f7;
  --text: #1c1f1e;
  --muted: #6b7573;
  --border: #e1e5e3;
  --error: #b3261e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.brand { font-weight: 700; font-size: 20px; color: var(--teal-dark); margin-bottom: 4px; }
.tagline { color: var(--muted); font-size: 14px; margin-bottom: 24px; }

label { display: block; font-size: 13px; font-weight: 600; margin: 16px 0 6px; }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
}

button {
  width: 100%;
  margin-top: 24px;
  padding: 12px;
  background: var(--teal);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--teal-dark); }
button:disabled { opacity: 0.6; cursor: default; }

.switch-link { text-align: center; margin-top: 16px; font-size: 14px; color: var(--muted); }
.switch-link a { color: var(--teal); text-decoration: none; font-weight: 600; }

.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--muted); font-size: 13px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.google-btn {
  width: 100%;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  margin-top: 0;
}
.google-btn:hover { background: #f7f8f7; }
.google-btn:disabled { opacity: 0.6; cursor: default; }

.error-text { color: var(--error); font-size: 13px; margin-top: 12px; display: none; }
.error-text.visible { display: block; }

/* Dashboard shell */
.shell { min-height: 100vh; }
.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.topnav .brand { font-size: 16px; margin: 0 16px 0 0; white-space: nowrap; }
.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.topnav a.active, .topnav a:hover { color: var(--teal-dark); background: #eef6f4; }

.content { max-width: 720px; margin: 0 auto; padding: 24px 16px 80px; }
.page-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.page-subtitle { color: var(--muted); font-size: 14px; margin-bottom: 20px; }

.form-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 24px; }
.form-card h3 { margin: 0 0 4px; font-size: 15px; }
.form-row { display: flex; gap: 12px; }
.form-row > div { flex: 1; }
.small-btn { width: auto; margin-top: 0; padding: 8px 14px; font-size: 13px; }
.secondary-btn { background: #fff; color: var(--teal-dark); border: 1px solid var(--border); }
.secondary-btn:hover { background: #f2f4f3; }
.danger-btn { background: #fff; color: var(--error); border: 1px solid var(--border); }
.danger-btn:hover { background: #fdecea; }

.item-list { display: flex; flex-direction: column; gap: 12px; }
.item-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  gap: 12px;
}
.item-thumb {
  width: 56px; height: 56px; border-radius: 8px; object-fit: cover;
  background: var(--bg); flex-shrink: 0; border: 1px solid var(--border);
}
.item-body { flex: 1; min-width: 0; }
.item-title { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.item-meta { color: var(--muted); font-size: 13px; margin-top: 2px; }
.item-desc { font-size: 14px; margin-top: 6px; color: #333; }
.item-actions { display: flex; gap: 8px; margin-top: 10px; }
.badge {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  background: #eef6f4; color: var(--teal-dark);
}
.badge.off { background: #f3f3f3; color: var(--muted); }
.empty-state { text-align: center; color: var(--muted); padding: 40px 20px; font-size: 14px; }
.file-input { font-size: 13px; margin-top: 6px; }

/* Test chat */
.chat-shell {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  height: 60vh;
  min-height: 400px;
}
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.msg-bubble { max-width: 78%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.4; }
.msg.user .msg-bubble { background: var(--teal); color: #fff; border-bottom-right-radius: 4px; }
.msg.assistant .msg-bubble { background: var(--bg); color: var(--text); border-bottom-left-radius: 4px; }
.msg.assistant .msg-bubble.needs-human { border: 1px solid #e0a11e; background: #fff8ea; }
.needs-human-tag { display: block; font-size: 11px; color: #a06c00; font-weight: 700; margin-top: 6px; }
.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.chat-input-row input { flex: 1; }
.chat-input-row button { width: auto; margin-top: 0; padding: 10px 18px; }
.chat-hint { color: var(--muted); font-size: 13px; margin-top: 10px; }