:root {
  --bg: #060b1a;
  --bg-2: #071023;
  --panel: rgba(11, 18, 36, 0.8);
  --border: rgba(255, 255, 255, 0.08);
  --text: #eaf2ff;
  --muted: #9fb6d7;
  --ok: #4ce0b3;
  --warn: #ffb547;
  --error: #ff5c70;
  --accent: #45c4ff;
  --accent-2: #5ef0c1;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(69, 196, 255, 0.16), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(94, 240, 193, 0.16), transparent 32%),
              linear-gradient(135deg, var(--bg), var(--bg-2));
  color: var(--text);
}

.ambient {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 30% 60%, rgba(255, 255, 255, 0.05), transparent 35%),
              radial-gradient(circle at 75% 30%, rgba(69, 196, 255, 0.08), transparent 32%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

/* Loading overlay */
.loading {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 24, 0.92);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.loading .spinner {
  width: 46px;
  height: 46px;
  border: 4px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 12px;
}
.loading p { color: var(--muted); margin: 0; letter-spacing: 0.4px; }
@keyframes spin { to { transform: rotate(360deg); } }

.container {
  position: relative;
  max-width: 960px;
  margin: 7vh auto;
  padding: 0 24px 40px;
  z-index: 1;
}

.hero {
  margin-bottom: 24px;
}
.hero h1 {
  margin: 6px 0 6px;
  font-size: 32px;
  letter-spacing: -0.4px;
}
.subtitle {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(94, 240, 193, 0.1);
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: 0.3px;
  border: 1px solid rgba(94, 240, 193, 0.25);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  margin-top: 16px;
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.panel-heading h2 {
  margin: 2px 0;
  font-size: 22px;
}
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--muted);
}
.muted { color: var(--muted); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}
.chip-ok {
  background: rgba(76, 224, 179, 0.15);
  color: var(--ok);
  border-color: rgba(76, 224, 179, 0.4);
}

.hidden { display: none; }
label {
  display: block;
  margin: 8px 0 6px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.2px;
}
input[type="password"],
input[type="text"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: border 0.15s ease, box-shadow 0.15s ease;
}
input:focus,
select:focus,
textarea:focus {
  border-color: rgba(94, 240, 193, 0.7);
  outline: none;
  box-shadow: 0 0 0 3px rgba(94, 240, 193, 0.15);
}
input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255, 92, 112, 0.15);
}
select option {
  background: #0b152a;
  color: var(--text);
}
textarea { resize: vertical; }

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding: 11px 16px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #031022;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 14px 40px rgba(69, 196, 255, 0.25);
  transition: transform 0.12s ease, filter 0.12s ease, box-shadow 0.12s ease;
}
button:hover { filter: brightness(1.06); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  box-shadow: none;
  border: 1px solid var(--border);
}
button.ghost:hover { border-color: rgba(94, 240, 193, 0.4); }
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.error { color: var(--error); }

/* Personality layout */
.row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 12px 18px;
  align-items: center;
  margin-top: 12px;
}
.row > label { margin: 0; }
.row > button { margin: 0; }

/* First row: controls inline */
#personality-panel .row-top {
  grid-template-columns: 160px 1fr auto auto auto;
}

#tools-available {
  max-height: 240px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

/* Checkbox grid for tools */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px 14px;
}
.startup-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.row-save .actions {
  justify-content: flex-start;
}
.input-field {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  transition: border 0.15s ease, box-shadow 0.15s ease;
}
.input-field:focus {
  border-color: rgba(94, 240, 193, 0.7);
  outline: none;
  box-shadow: 0 0 0 3px rgba(94, 240, 193, 0.15);
}
.section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.02);
}
.section-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
  justify-content: space-between;
}
.section-heading h3 {
  margin: 6px 0;
  font-size: 16px;
  letter-spacing: -0.1px;
}
.section-heading .small {
  margin: 0;
  font-size: 12px;
}
.checkbox-grid .chk {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  transition: border 0.12s ease, background 0.12s ease;
}
.checkbox-grid .chk:hover { border-color: rgba(94, 240, 193, 0.3); background: rgba(255, 255, 255, 0.04); }
.checkbox-grid input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
}
.checkbox-grid label {
  margin: 0; font-size: 13px; color: var(--text);
}

@media (max-width: 760px) {
  .hero h1 { font-size: 26px; }
  .row { grid-template-columns: 1fr; }
  #personality-panel .row:first-of-type { grid-template-columns: 1fr; }
  button { width: 100%; justify-content: center; }
  .actions { flex-direction: column; align-items: flex-start; }
}