/* CEREBRO TBWA — brand system from TBWA mark (black / white / yellow \) */

:root {
  --tbwa-black: #050505;
  --tbwa-ink: #0b0b0d;
  --tbwa-graphite: #141416;
  --tbwa-line: #2a2a2e;
  --tbwa-mute: #8a8a90;
  --tbwa-white: #f5f5f5;
  --tbwa-yellow: #ffcc00;
  --tbwa-yellow-dim: rgba(255, 204, 0, 0.14);
  --font-display: "Bebas Neue", "Impact", sans-serif;
  --font-body: "Space Grotesk", "Helvetica Neue", sans-serif;
  --radius: 2px;
  --pad: clamp(1rem, 3vw, 2rem);
  --max: 920px;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--tbwa-black);
  color: var(--tbwa-white);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
}

/* Atmospheric plane: near-black with subtle vignette + grain (not flat fill) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 80% at 50% -10%, #1a1a1c 0%, transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(255, 204, 0, 0.04) 0%, transparent 45%),
    linear-gradient(180deg, var(--tbwa-ink) 0%, var(--tbwa-black) 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.85fr);
  gap: clamp(1rem, 2.5vw, 1.75rem);
  min-height: 0;
  padding-bottom: 1rem;
}

.chat-pane {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 0;
  min-width: 0;
}

/* ——— Brand header ——— */
.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem 0 1.15rem;
  border-bottom: 1px solid var(--tbwa-line);
  animation: brandIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.2vw, 1.2rem);
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.cerebro-gif {
  width: clamp(120px, 20vw, 190px);
  height: auto;
  aspect-ratio: 425 / 254;
  object-fit: contain;
  flex-shrink: 0;
  border: none;
  outline: none;
  background: transparent;
  mix-blend-mode: screen;
  filter: contrast(1.05) saturate(1.05);
  animation: gifIn 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.brand-title-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6vw, 3.4rem);
  line-height: 0.88;
  letter-spacing: 0.04em;
  margin: 0;
  text-transform: uppercase;
}

.brand-slash {
  color: var(--tbwa-yellow);
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6vw, 3.4rem);
  line-height: 0.88;
  transform: translateY(0.02em);
  animation: slashPulse 2.8s ease-in-out infinite;
}

/* TBWA mark — bottom-right signature */
.tbwa-corner {
  position: fixed;
  right: clamp(0.85rem, 2.5vw, 1.5rem);
  bottom: clamp(0.85rem, 2.5vw, 1.5rem);
  z-index: 20;
  display: block;
  line-height: 0;
  opacity: 0.92;
  transition: opacity 0.2s ease, transform 0.2s ease;
  animation: brandIn 0.8s 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tbwa-corner:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.brand-mark {
  width: clamp(110px, 16vw, 168px);
  height: auto;
  max-height: 52px;
  object-fit: contain;
  object-position: right bottom;
  display: block;
  border: none;
  background: transparent;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.55));
}

.agent-pill {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--tbwa-mute);
  border: 1px solid var(--tbwa-line);
  padding: 0.4rem 0.65rem;
  white-space: nowrap;
}

.agent-pill strong {
  color: var(--tbwa-yellow);
  font-weight: 600;
}

/* ——— Chat stage ——— */
.stage {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 1.25rem 0 0.5rem;
}

.intro {
  padding: 1.5rem 0 1.75rem;
  animation: fadeUp 0.8s 0.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: 0.03em;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  font-weight: 400;
}

.intro p {
  margin: 0;
  max-width: 36rem;
  color: var(--tbwa-mute);
  font-size: 0.98rem;
  line-height: 1.5;
}

.intro .accent-line {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--tbwa-yellow);
  margin: 1rem 0 0;
  transform-origin: left;
  animation: lineGrow 0.9s 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 0.25rem 0 1rem;
  scroll-behavior: smooth;
}

.messages:empty + .intro {
  display: block;
}

.msg {
  max-width: min(100%, 40rem);
  animation: fadeUp 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.msg--user {
  align-self: flex-end;
  text-align: right;
}

.msg--assistant {
  align-self: flex-start;
}

.msg__meta {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
  margin-bottom: 0.35rem;
}

.msg--assistant .msg__meta span {
  color: var(--tbwa-mute);
  letter-spacing: 0.12em;
}

.msg__body {
  font-size: 0.98rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.msg--user .msg__body {
  display: inline-block;
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--tbwa-graphite);
  border-left: 3px solid var(--tbwa-yellow);
}

.msg--assistant .msg__body {
  border-left: 3px solid var(--tbwa-yellow);
  padding-left: 0.85rem;
}

.msg--error .msg__body {
  color: #ff8a8a;
  border-left-color: #ff8a8a;
}

.typing {
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  padding: 0.5rem 0;
}

.typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tbwa-yellow);
  opacity: 0.35;
  animation: blink 1.1s infinite ease-in-out;
}

.typing i:nth-child(2) {
  animation-delay: 0.15s;
}

.typing i:nth-child(3) {
  animation-delay: 0.3s;
}

/* ——— Agent office (Habbo-style) ——— */
.graph-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: 1px solid var(--tbwa-line);
  padding: 1.15rem 0 1.15rem 1.15rem;
  animation: fadeUp 0.7s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.graph-head h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
  font-weight: 400;
}

.graph-head p {
  margin: 0.25rem 0 0;
  color: var(--tbwa-mute);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-graph.office-scene {
  position: relative;
  flex: 0 0 auto;
  min-height: 280px;
  height: 280px;
  margin-top: 0.75rem;
  border: 3px solid #1a1a1e;
  overflow: hidden;
  image-rendering: pixelated;
  background: #2a2a32;
}

.office-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.office-wall {
  position: absolute;
  inset: 0 0 42% 0;
  background:
    linear-gradient(180deg, #3d3a48 0%, #2f2c38 100%);
  box-shadow: inset 0 -4px 0 #1e1c24;
}

.office-wall::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 23px,
    rgba(0, 0, 0, 0.08) 23px,
    rgba(0, 0, 0, 0.08) 24px
  );
}

.office-window {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 58px;
  border: 3px solid #111;
  background: #6eb6e8;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  display: grid;
  grid-template-rows: 1fr auto auto auto;
  overflow: hidden;
  z-index: 1;
}

.office-sky {
  display: block;
  height: 100%;
  background:
    radial-gradient(circle at 70% 30%, #fff8 0 6px, transparent 7px),
    linear-gradient(180deg, #7ec8f5, #b8e0f8);
}

.office-blind {
  display: block;
  height: 6px;
  background: #c4b896;
  border-top: 1px solid #8a7d5c;
}

.office-poster {
  position: absolute;
  top: 14%;
  width: 36px;
  height: 44px;
  border: 3px solid #111;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  display: grid;
  place-items: center;
  z-index: 1;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
}

.office-poster--tbwa {
  left: 8%;
  background: #ffcc00;
  color: #111;
}

.office-poster--brain {
  right: 8%;
  background: #111;
  color: #ffcc00;
  font-size: 1.4rem;
}

.office-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  background-color: #c4a574;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  background-size: 16px 16px;
  box-shadow: inset 0 6px 0 rgba(0, 0, 0, 0.15);
}

.office-rug {
  position: absolute;
  left: 50%;
  bottom: 8%;
  transform: translateX(-50%);
  width: 58%;
  height: 28%;
  background:
    repeating-linear-gradient(
      90deg,
      #8b1e2d 0 10px,
      #5c121c 10px 20px
    );
  border: 3px solid #3a0c12;
  z-index: 1;
}

.office-table {
  position: absolute;
  left: 50%;
  bottom: 18%;
  transform: translateX(-50%);
  width: 46%;
  height: 18px;
  background: #6b4a2e;
  border: 3px solid #2a1810;
  z-index: 2;
  box-shadow: 0 6px 0 #3d2a1a;
}

.office-table::before,
.office-table::after {
  content: "";
  position: absolute;
  bottom: -16px;
  width: 6px;
  height: 14px;
  background: #3d2a1a;
  border: 2px solid #2a1810;
}

.office-table::before {
  left: 10%;
}

.office-table::after {
  right: 10%;
}

.office-plant {
  position: absolute;
  left: 6%;
  bottom: 22%;
  z-index: 3;
  width: 28px;
  height: 40px;
}

.plant-leaf {
  position: absolute;
  left: 4px;
  top: 0;
  width: 20px;
  height: 18px;
  background: #3d9b4a;
  border: 2px solid #1e5c28;
  border-radius: 50% 50% 40% 40%;
}

.plant-pot {
  position: absolute;
  left: 6px;
  bottom: 0;
  width: 16px;
  height: 14px;
  background: #c45c2a;
  border: 2px solid #7a3010;
}

.office-coffee {
  position: absolute;
  right: 10%;
  bottom: 24%;
  z-index: 3;
}

.mug {
  display: block;
  width: 14px;
  height: 12px;
  background: #eee;
  border: 2px solid #222;
  position: relative;
}

.mug::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 2px;
  width: 5px;
  height: 6px;
  border: 2px solid #222;
  border-left: none;
}

/* Avatars seated around the table — decorative only */
.avatar {
  position: absolute;
  z-index: 5;
  border: none;
  background: transparent;
  color: var(--tbwa-white);
  padding: 0;
  cursor: default;
  pointer-events: none;
  user-select: none;
  width: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

.seat--cerebro {
  left: 50%;
  bottom: 38%;
  transform: translateX(-50%);
}

.seat--shakespeare {
  left: 10%;
  bottom: 6%;
}

.seat--cortex {
  right: 10%;
  left: auto;
  bottom: 6%;
}

.avatar__figure {
  position: relative;
  width: 44px;
  height: 64px;
  image-rendering: pixelated;
}

.avatar__figure .chair {
  position: absolute;
  left: 4px;
  bottom: 0;
  width: 36px;
  height: 22px;
  background: #2c2c34;
  border: 2px solid #111;
  z-index: 0;
}

.avatar__figure .chair::before {
  content: "";
  position: absolute;
  left: -4px;
  top: -10px;
  width: 8px;
  height: 28px;
  background: #23232a;
  border: 2px solid #111;
}

.avatar__figure .legs {
  position: absolute;
  left: 10px;
  bottom: 10px;
  width: 24px;
  height: 14px;
  background: #1a1a22;
  border: 2px solid #0a0a0e;
  z-index: 1;
}

.avatar__figure .body {
  position: absolute;
  left: 10px;
  bottom: 22px;
  width: 24px;
  height: 20px;
  border: 2px solid #111;
  z-index: 2;
}

.body--cerebro {
  background: #ffcc00;
}

.body--shakespeare {
  background: #6b5cff;
}

.body--cortex {
  background: #2db87a;
}

.avatar__figure .arm {
  position: absolute;
  bottom: 26px;
  width: 8px;
  height: 14px;
  background: #e8b896;
  border: 2px solid #111;
  z-index: 3;
}

.avatar__figure .arm--l {
  left: 2px;
}

.avatar__figure .arm--r {
  right: 2px;
}

.avatar__figure .head {
  position: absolute;
  left: 10px;
  top: 8px;
  width: 24px;
  height: 22px;
  background: #e8b896;
  border: 2px solid #111;
  z-index: 4;
}

.avatar__figure .eyes {
  position: absolute;
  left: 14px;
  top: 16px;
  width: 16px;
  height: 4px;
  background:
    linear-gradient(90deg, #111 0 4px, transparent 4px 8px, #111 8px 12px, transparent 12px);
  z-index: 5;
}

.avatar__figure .hair {
  position: absolute;
  left: 8px;
  top: 2px;
  width: 28px;
  height: 12px;
  border: 2px solid #111;
  z-index: 5;
}

.hair--cerebro {
  background: #1a1a1a;
}

.hair--shakespeare {
  background: #f2d28a;
  height: 16px;
  top: 0;
}

.hair--cortex {
  background: #3a2a1a;
  width: 30px;
  left: 7px;
}

.avatar__meta {
  text-align: center;
  line-height: 1.1;
  text-shadow: 0 1px 0 #000, 1px 0 0 #000;
}

.avatar__meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  font-weight: 400;
  text-transform: uppercase;
}

.avatar .node__role {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ddd;
}

/* Talking / idle states */
.avatar.is-active {
  filter: drop-shadow(0 0 8px rgba(255, 204, 0, 0.55));
  z-index: 8;
}

.avatar.is-active .avatar__figure {
  animation: avatarBounce 0.55s ease infinite;
}

.avatar.is-active .arm--r {
  animation: waveArm 0.45s ease infinite alternate;
  transform-origin: top center;
}

.avatar.is-idle {
  opacity: 0.55;
  filter: grayscale(0.35);
}

.avatar.is-talking .speech {
  display: block;
}

.speech {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translate(-50%, -100%);
  width: max-content;
  max-width: 92px;
  background: #fff;
  color: #111;
  border: 3px solid #111;
  padding: 0.22rem 0.35rem;
  font-size: 0.58rem;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-align: center;
  z-index: 10;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
  animation: bubblePop 0.25s ease both;
  overflow: hidden;
}

.speech--mini .speech__text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  white-space: normal;
  word-break: break-word;
  max-width: 84px;
}

.speech[hidden] {
  display: none !important;
}

.speech::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #111;
}

.speech__text {
  display: block;
}

/* Ordered agent chat clouds */
.agent-chat {
  margin-top: 0.75rem;
  border: 2px solid #2a2a2e;
  background: #0e0e12;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.agent-chat__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--tbwa-line);
}

.agent-chat__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--tbwa-white);
}

.agent-chat__hint {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
}

.agent-chat__feed {
  max-height: 280px;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.75rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  scroll-behavior: smooth;
}

.agent-chat__empty {
  margin: 0;
  color: var(--tbwa-mute);
  font-size: 0.78rem;
  line-height: 1.4;
}

/* Speech clouds — force dark ink on light bubbles (theme white must not leak in) */
.cloud {
  position: relative;
  width: fit-content;
  max-width: min(100%, 100%);
  border: 2px solid #111;
  border-radius: 14px 14px 14px 4px;
  padding: 0.55rem 0.7rem 0.65rem;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
  animation: fadeUp 0.3s ease both;
  overflow: visible;
  background: #f2f2f4;
  color: #121218;
}

.cloud,
.cloud * {
  color: #121218;
}

.cloud--cerebro {
  align-self: center;
  background: #ffe566;
  border-radius: 14px 14px 4px 14px;
}

.cloud--shakespeare {
  align-self: flex-start;
  background: #d9d4ff;
  border-radius: 14px 14px 14px 4px;
}

.cloud--cortex {
  align-self: flex-end;
  background: #b8f0d4;
  border-radius: 14px 14px 4px 14px;
}

.cloud--handoff {
  align-self: center;
  background: transparent;
  border: 1px dashed #555;
  border-radius: 999px;
  color: #b0b0b8;
  box-shadow: none;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.7rem;
}

.cloud--handoff,
.cloud--handoff * {
  color: #b0b0b8;
}

.cloud__who {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: #3a3a42;
  opacity: 0.85;
}

.cloud__body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-height: 8.7em;
  overflow: hidden;
  color: #121218;
}

.cloud.is-expanded .cloud__body {
  max-height: none;
}

.cloud__more {
  appearance: none;
  border: none;
  background: transparent;
  color: #2a2a32;
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0 0;
  cursor: pointer;
  text-decoration: underline;
  pointer-events: auto;
}

.graph-log {
  display: none;
}

@keyframes avatarBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes waveArm {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-28deg);
  }
}

@keyframes bubblePop {
  from {
    opacity: 0;
    transform: translate(-50%, -90%) scale(0.85);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -100%) scale(1);
  }
}

/* ——— Evidence panel ——— */
.evidence-panel {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--tbwa-line);
}

.evidence-list {
  max-height: 180px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.evidence-item {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--tbwa-mute);
  border-left: 2px solid var(--tbwa-line);
  padding-left: 0.55rem;
}

.evidence-item summary {
  cursor: pointer;
  color: var(--tbwa-white);
  list-style: none;
}

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

.evidence-item[open] summary {
  color: var(--tbwa-yellow);
}

.evidence-item p {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
}

/* ——— Mode bar ——— */
.mode-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin-bottom: 0.55rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--tbwa-line);
}

.mode-bar__label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
}

.mode-bar select {
  appearance: none;
  background: transparent;
  color: var(--tbwa-yellow);
  border: 1px solid var(--tbwa-line);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  min-width: 10rem;
  cursor: pointer;
}

.mode-bar select:focus {
  outline: 1px solid var(--tbwa-yellow);
}

.mode-fields {
  flex: 1 1 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.55rem;
}

.mode-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
}

.mode-field input,
.mode-field textarea {
  appearance: none;
  border: 1px solid var(--tbwa-line);
  background: transparent;
  color: var(--tbwa-white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: normal;
  text-transform: none;
  padding: 0.4rem 0.5rem;
  resize: vertical;
}

.mode-field input:focus,
.mode-field textarea:focus {
  outline: 1px solid var(--tbwa-yellow);
}

.composer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.35rem;
}

.composer__row .linkish:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ——— Knowledge checklist ——— */
.knowledge-panel {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--tbwa-line);
}

.knowledge-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.knowledge-head h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
  font-weight: 400;
}

.knowledge-actions {
  display: flex;
  gap: 0.65rem;
}

.linkish {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--tbwa-yellow);
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
}

.knowledge-hint {
  margin: 0.35rem 0 0.65rem;
  color: var(--tbwa-mute);
  font-size: 0.75rem;
}

.knowledge-checklist {
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.knowledge-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.knowledge-group__title {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
}

.knowledge-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: start;
  font-size: 0.82rem;
  line-height: 1.35;
}

.knowledge-item input {
  margin-top: 0.2rem;
  accent-color: var(--tbwa-yellow);
}

.knowledge-item strong {
  display: block;
  font-weight: 500;
}

.knowledge-item span {
  display: block;
  color: var(--tbwa-mute);
  font-size: 0.72rem;
}

.knowledge-loading {
  color: var(--tbwa-mute);
  font-size: 0.8rem;
  margin: 0;
}

/* ——— Composer ——— */
.composer {
  position: sticky;
  bottom: 0;
  padding: 0.75rem 0 1.35rem;
  background: linear-gradient(180deg, transparent 0%, var(--tbwa-black) 28%);
  animation: fadeUp 0.7s 0.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.composer form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: end;
  border-top: 1px solid var(--tbwa-line);
  padding-top: 0.85rem;
}

.composer textarea {
  width: 100%;
  min-height: 3.1rem;
  max-height: 9rem;
  resize: none;
  border: none;
  outline: none;
  background: transparent;
  color: var(--tbwa-white);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.45;
  padding: 0.55rem 0;
}

.composer textarea::placeholder {
  color: var(--tbwa-mute);
}

.composer button {
  appearance: none;
  border: none;
  cursor: pointer;
  background: var(--tbwa-yellow);
  color: var(--tbwa-black);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.15rem;
  min-width: 6.5rem;
  transition: transform 0.15s ease, filter 0.15s ease, opacity 0.15s ease;
}

.composer button:hover:not(:disabled) {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.composer button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.composer__hint {
  margin: 0.45rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tbwa-mute);
}

.ground-badge {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tbwa-black);
  background: var(--tbwa-yellow);
  padding: 0.2rem 0.45rem;
  white-space: nowrap;
}

.ground-badge.is-weak {
  background: #ff8a8a;
  color: #1a0505;
}

.ground-badge.is-mid {
  background: #ffd27a;
}

.ground-badge.is-strong {
  background: #7dffb2;
  color: #052012;
}

/* Keep/Kill review */
.review-panel {
  margin: 0.85rem 0 1rem;
  border: 2px solid var(--tbwa-yellow);
  background: rgba(255, 204, 0, 0.06);
  padding: 0.85rem 1rem 1rem;
  animation: fadeUp 0.35s ease both;
}

.review-panel__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
}

.review-panel__head p {
  margin: 0.25rem 0 0.75rem;
  color: var(--tbwa-mute);
  font-size: 0.82rem;
}

.review-panel__cards {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.review-card {
  border: 1px solid var(--tbwa-line);
  background: rgba(8, 8, 10, 0.9);
  padding: 0.65rem 0.75rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 0.75rem;
  align-items: start;
}

.review-card.is-kill {
  opacity: 0.45;
}

.review-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

.review-card__body {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--tbwa-mute);
  font-size: 0.8rem;
  line-height: 1.4;
}

.review-card__actions {
  display: flex;
  gap: 0.35rem;
}

.review-card__actions button {
  appearance: none;
  border: 1px solid var(--tbwa-line);
  background: transparent;
  color: var(--tbwa-white);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.45rem;
  cursor: pointer;
}

.review-card__actions button.is-on {
  border-color: var(--tbwa-yellow);
  color: var(--tbwa-black);
  background: var(--tbwa-yellow);
}

.review-panel__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.btn-primary,
.btn-secondary {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.9rem;
}

.btn-primary {
  background: var(--tbwa-yellow);
  color: var(--tbwa-black);
}

.btn-secondary {
  background: transparent;
  color: var(--tbwa-mute);
  border: 1px solid var(--tbwa-line);
}

.composer__hint .linkish {
  margin-left: 0.65rem;
}

@media (max-width: 960px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .graph-pane {
    border-left: none;
    border-top: 1px solid var(--tbwa-line);
    padding: 1rem 0 0;
    order: -1;
  }

  .agent-graph.office-scene {
    min-height: 260px;
    height: 260px;
  }
}

@media (max-width: 560px) {
  .brand-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-lockup {
    width: 100%;
  }

  .cerebro-gif {
    width: 108px;
  }

  .tbwa-corner {
    right: 0.75rem;
    bottom: 0.75rem;
  }

  .brand-mark {
    width: 96px;
    max-height: 36px;
  }

  .agent-pill {
    align-self: flex-start;
  }

  .composer form {
    grid-template-columns: 1fr;
  }

  .composer button {
    width: 100%;
  }
}

@keyframes brandIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes gifIn {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes lineGrow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes slashPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.72;
  }
}

@keyframes blink {
  0%,
  80%,
  100% {
    opacity: 0.25;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-2px);
  }
}