:root {
  --bg: #0b1220;
  --panel: rgba(15, 23, 42, 0.84);
  --panel-border: rgba(148, 163, 184, 0.16);
  --text: #e5eefc;
  --muted: #94a3b8;
  --accent: #60a5fa;
  --accent-2: #22c55e;
  --danger: #ef4444;
  --shadow: 0 20px 60px rgba(2, 6, 23, 0.36);
}

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.14), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(34, 197, 94, 0.08), transparent 24%),
    linear-gradient(180deg, #050816 0%, #0b1220 50%, #050816 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.5), transparent 95%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1260px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 40px;
}

.app-navbar,
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.84);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  font-family: "IBM Plex Mono", monospace;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
}

.letter-space-1 { letter-spacing: 0.08em; }
.letter-space-2 { letter-spacing: 0.18em; }

.app-nav-link,
.topnav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
}

.app-nav-link:hover,
.topnav .nav-link:hover {
  border-color: var(--panel-border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.content-wrap {
  padding-top: 24px;
}

.hero-grid,
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.85fr);
  gap: 20px;
}

.hero-panel,
.panel,
.campaign-card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.hero-panel {
  padding: 28px;
}

.hero-kicker {
  display: inline-flex;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  padding: 8px 12px;
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.08);
}

.hero-panel h1,
.section-head h1,
.section-head h2 {
  margin: 18px 0 12px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero-copy,
.muted,
.panel-subtitle,
.campaign-tagline {
  color: var(--muted);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.metric-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

.metric-card span {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
}

.metric-card small {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #5a647d;
  box-shadow: 0 0 0 5px rgba(255,255,255,0.04);
}

.status-dot.on {
  background: var(--accent);
}

.status-dot.off {
  background: var(--danger);
}

.panel {
  padding: 22px;
}

.panel-form {
  position: sticky;
  top: 16px;
  align-self: start;
}

.panel-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.section-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.app-card {
  border: 1px solid var(--panel-border);
  background: rgba(15, 23, 42, 0.82);
  border-radius: 22px;
  box-shadow: var(--shadow);
  color: var(--text);
}

.app-card .card-header {
  padding-top: 1rem;
  padding-bottom: 0.25rem;
}

.mini-stat,
.compact-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.mini-stat span,
.compact-line span,
.message-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.stack-form {
  display: grid;
  gap: 16px;
}

.panel-chat {
  max-height: calc(100vh - 190px);
  overflow: auto;
}

.field-block {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 0.9rem;
  color: #dce6ff;
}

input, textarea, select {
  width: 100%;
  border-radius: 16px !important;
  border: 1px solid rgba(255,255,255,0.11) !important;
  background: rgba(4, 8, 18, 0.8) !important;
  color: var(--text) !important;
  padding: 12px 14px !important;
  outline: none;
  box-shadow: none !important;
}

input:focus, textarea:focus, select:focus {
  border-color: rgba(118, 247, 216, 0.45) !important;
  box-shadow: 0 0 0 3px rgba(118, 247, 216, 0.12) !important;
}

.field-help,
.field-error {
  font-size: 0.82rem;
}

.field-help {
  color: var(--muted);
}

.field-error {
  color: var(--danger);
}

.btn-neon {
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  color: #081120;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
}

.btn-neon:hover {
  filter: brightness(1.02);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
}

.btn-outline-secondary {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.26);
}

.btn-outline-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(148, 163, 184, 0.42);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 30px 0 16px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.campaign-card {
  padding: 20px;
}

.campaign-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.campaign-slug,
.campaign-model,
.turn-meta span,
.choice-pill,
.turn-summary,
.session-row small,
.mini-card small,
.mini-card span {
  font-family: "IBM Plex Mono", monospace;
}

.campaign-slug {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.campaign-model {
  color: var(--muted);
  font-size: 0.78rem;
  background: rgba(255,255,255,0.05);
  padding: 6px 10px;
  border-radius: 999px;
}

.campaign-card h3 {
  margin: 8px 0 0;
  font-size: 1.35rem;
}

.campaign-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.campaign-actions {
  margin-top: 16px;
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.12);
}

.latest-session {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.latest-session h3,
.section-head h1 {
  margin-top: 0;
}

.code-block {
  white-space: pre-wrap;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 16px;
  color: #d8e4ff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.mini-list,
.session-list,
.turn-feed,
.sidebar-stack {
  display: grid;
  gap: 12px;
}

.mini-card,
.session-row,
.turn-card {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  padding: 14px 16px;
}

.mini-card {
  display: grid;
  gap: 4px;
}

.session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.turn-card {
  display: grid;
  gap: 10px;
}

.message-stack-tight {
  display: grid;
  gap: 12px;
}

.message-block {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}

.message-player {
  border-color: rgba(96, 165, 250, 0.22);
}

.message-master {
  border-color: rgba(34, 197, 94, 0.22);
  background: rgba(34, 197, 94, 0.05);
}

.message-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.message-role {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.message-turn {
  color: var(--muted);
  font-size: 0.8rem;
}

.message-body {
  white-space: pre-wrap;
  line-height: 1.6;
}

.turn-player {
  border-color: rgba(96, 165, 250, 0.22);
}

.turn-master {
  border-color: rgba(34, 197, 94, 0.22);
  background: rgba(34, 197, 94, 0.05);
}

.turn-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.turn-choices {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.choice-grid {
  display: grid;
  gap: 10px;
}

.choice-button {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(96, 165, 250, 0.18);
  background: rgba(96, 165, 250, 0.08);
  color: var(--text);
  text-align: left;
  padding: 12px 14px;
  font-family: "Inter", system-ui, sans-serif;
}

.choice-button:hover {
  background: rgba(96, 165, 250, 0.14);
  border-color: rgba(96, 165, 250, 0.3);
}

.compact-details {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
}

.compact-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}

.compact-details summary::-webkit-details-marker {
  display: none;
}

.app-loading {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  background: rgba(3, 6, 14, 0.72);
  backdrop-filter: blur(8px);
}

.loading-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  border-radius: 20px;
  background: rgba(10, 15, 30, 0.95);
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: var(--shadow);
}

.loading-title {
  font-weight: 700;
}

.loading-subtitle {
  color: var(--muted);
  font-size: 0.9rem;
}

.choice-pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.78rem;
}

.turn-summary {
  color: var(--muted);
  font-size: 0.78rem;
}

.message-stack {
  margin-top: 16px;
}

.message-card {
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.login-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 20px;
}

.login-note {
  margin-top: 24px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

@media (max-width: 992px) {
  .hero-grid,
  .detail-grid,
  .cards-grid,
  .login-grid {
    grid-template-columns: 1fr;
  }

  .panel-form {
    position: static;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 18px, 1260px);
  }

  .topbar,
  .latest-session,
  .session-row {
    flex-direction: column;
    align-items: start;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}