:root {
  /* page */
  --mist: #dde6e1;
  --panel: #f6f9f7;
  --forest: #16342d;
  --forest-2: #4c6a61;
  --line: #c3d1ca;
  /* the new feature's own colour, so "new" is visible at a glance */
  --plans: #6a45f5;
  --plans-ink: #4a2bd0;
  --plans-soft: #efebff;
  /* chat recreation */
  --wa-header: #0b6b5e;
  --wa-wall: #efe6da;
  --wa-out: #d9fdd3;
  --wa-in: #ffffff;
  --wa-text: #111b21;
  --wa-meta: #667781;
  --yes: #0e8f55;
  --no: #c2410c;

  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'Instrument Sans', 'Segoe UI', system-ui, sans-serif;
  --native: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --mist: #10201c;
    --panel: #172a25;
    --forest: #e4efe9;
    --forest-2: #9fb8af;
    --line: #2c4740;
    --plans-soft: #2a2350;
    --plans-ink: #b9a8ff;
  }
}

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

body {
  margin: 0;
  background: var(--mist);
  color: var(--forest);
  font: 400 16px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--plans);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- layout ---------- */
.stage {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto minmax(260px, 0.85fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  max-width: 1360px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 48px) clamp(16px, 4vw, 48px) 24px;
}

@media (max-width: 1080px) {
  .stage {
    grid-template-columns: 1fr auto;
  }
  .engine {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .stage {
    grid-template-columns: 1fr;
  }
  .device-wrap {
    order: -1;
    justify-self: center;
  }
}

/* ---------- pitch column ---------- */
h1 {
  font: 800 clamp(2.4rem, 4.6vw, 3.6rem) / 0.98 var(--display);
  letter-spacing: -0.03em;
  margin: 8px 0 18px;
  max-width: 12ch;
}

.lede {
  max-width: 46ch;
  color: var(--forest-2);
  margin: 0 0 28px;
}

.lede strong {
  color: var(--plans-ink);
  font-weight: 600;
}

.mode {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.mode-btn {
  display: grid;
  gap: 2px;
  text-align: left;
  padding: 12px 14px 12px 40px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.mode-btn::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--forest-2);
}

.mode-btn[aria-checked='true'] {
  background: var(--panel);
  border-color: var(--forest);
}

.mode-btn[data-mode='after'][aria-checked='true'] {
  border-color: var(--plans);
  background: var(--plans-soft);
}

.mode-btn[aria-checked='true']::before {
  border-color: var(--forest);
  background: radial-gradient(circle, var(--forest) 0 3px, transparent 4px);
}

.mode-btn[data-mode='after'][aria-checked='true']::before {
  border-color: var(--plans);
  background: radial-gradient(circle, var(--plans) 0 3px, transparent 4px);
}

.mode-name {
  font: 700 1.05rem/1.2 var(--display);
}

.mode-hint {
  font-size: 0.88rem;
  color: var(--forest-2);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.btn {
  border: 1.5px solid var(--forest);
  background: transparent;
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 600;
  font-size: 0.94rem;
  cursor: pointer;
}

.btn:hover {
  background: var(--panel);
}

.btn-primary {
  background: var(--forest);
  color: var(--mist);
}

.btn-primary:hover {
  background: var(--forest);
  opacity: 0.9;
}

.btn-quiet {
  border-color: transparent;
  color: var(--forest-2);
}

.scoreboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0 0 20px;
  border-top: 1.5px solid var(--line);
}

.scoreboard div {
  padding: 12px 0 0;
}

.scoreboard dt {
  font-size: 0.85rem;
  color: var(--forest-2);
}

.scoreboard dd {
  margin: 0;
  font: 800 2.4rem/1.1 var(--display);
  letter-spacing: -0.02em;
}

body[data-mode='after'] #stat-plan {
  color: var(--plans);
}

body[data-mode='before'] #stat-plan {
  color: var(--no);
}

.tip {
  font-size: 0.9rem;
  color: var(--forest-2);
  max-width: 44ch;
}

.tip q {
  color: var(--forest);
  font-weight: 500;
}

/* ---------- phone ---------- */
.phone {
  width: min(390px, calc(100vw - 32px));
  height: min(800px, calc(100vh - 48px));
  min-height: 600px;
  display: flex;
  flex-direction: column;
  border-radius: 44px;
  border: 10px solid #0d0f10;
  background: var(--wa-wall);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(10, 40, 30, 0.45);
  font-family: var(--native);
  color: var(--wa-text);
  position: relative;
}

.statusbar {
  display: flex;
  justify-content: space-between;
  padding: 8px 22px 2px;
  background: var(--wa-header);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

.sb-icons {
  letter-spacing: 1px;
  font-size: 9px;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 10px 6px;
  background: var(--wa-header);
  color: #fff;
}

.back {
  font-size: 30px;
  line-height: 1;
  padding: 0 2px;
}

.group-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #cfd8dc;
  color: #37474f;
  font-weight: 700;
  font-size: 14px;
  flex: none;
}

.chat-title {
  display: grid;
  min-width: 0;
  flex: 1;
}

.chat-name {
  font-weight: 600;
  font-size: 16px;
}

.chat-members {
  font-size: 12.5px;
  opacity: 0.85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-icons {
  display: flex;
  gap: 18px;
  padding-right: 4px;
}

.pinned {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid #e3d9cc;
  background: #fff;
  padding: 8px 14px;
  text-align: left;
  font-size: 13.5px;
  cursor: pointer;
  font-family: var(--native);
}

.pinned-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pinned-text b {
  color: var(--plans-ink);
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background-color: var(--wa-wall);
  background-image: radial-gradient(rgba(120, 100, 70, 0.07) 1px, transparent 1.5px);
  background-size: 18px 18px;
  scroll-behavior: smooth;
}

.chat > * {
  flex-shrink: 0;
}

.day-chip,
.e2e-chip,
.sys-chip {
  align-self: center;
  background: #fff;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--wa-meta);
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
  margin: 6px 0;
  text-align: center;
}

.e2e-chip {
  background: #fff5c4;
  color: #54656f;
  max-width: 88%;
}

.msg {
  max-width: 82%;
  padding: 6px 8px 4px 9px;
  border-radius: 8px;
  font-size: 14.5px;
  line-height: 1.38;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
  word-wrap: break-word;
  animation: pop 0.18s ease-out;
}

.msg.in {
  align-self: flex-start;
  background: var(--wa-in);
}

.msg.out {
  align-self: flex-end;
  background: var(--wa-out);
}

.msg.first {
  margin-top: 6px;
}

.msg .who {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 1px;
}

.msg .meta {
  float: right;
  font-size: 11px;
  color: var(--wa-meta);
  margin: 6px 0 -2px 10px;
}

.msg .ticks {
  color: #53bdeb;
  margin-left: 2px;
}

mark.hl {
  background: none;
  color: inherit;
  border-bottom: 2px solid var(--plans);
  padding: 0;
}

body[data-mode='before'] mark.hl {
  border-bottom: 0;
}

.typing {
  align-self: flex-start;
  background: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--wa-meta);
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
  margin-top: 6px;
}

.typing i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 3px;
  border-radius: 50%;
  background: #9aa5ab;
  animation: blink 1s infinite;
}

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

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

@keyframes blink {
  0%,
  80%,
  100% {
    opacity: 0.3;
  }
  40% {
    opacity: 1;
  }
}

@keyframes pop {
  from {
    transform: translateY(4px);
    opacity: 0;
  }
}

/* ---------- Plan card ---------- */
.plan {
  align-self: center;
  width: 94%;
  margin: 10px 0 6px;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 1.5px var(--plans), 0 6px 18px -8px rgba(74, 43, 208, 0.45);
  font-size: 14px;
  animation: pop 0.25s ease-out;
}

.plan.flash {
  animation: flash 0.7s ease-out;
}

@keyframes flash {
  0% {
    box-shadow: 0 0 0 4px var(--plans), 0 6px 18px -8px rgba(74, 43, 208, 0.45);
  }
}

.plan-head {
  background: var(--plans);
  color: #fff;
  padding: 10px 14px 12px;
}

.plan-kicker {
  font-size: 12px;
  opacity: 0.85;
  display: flex;
  justify-content: space-between;
}

.plan-title {
  font-size: 19px;
  font-weight: 700;
  margin-top: 2px;
}

.plan-when {
  font-size: 14px;
  opacity: 0.95;
}

.plan-section {
  padding: 10px 14px;
  border-top: 1px solid #eee9f8;
}

.plan-section h4 {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--wa-meta);
}

.people {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.person {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  padding: 2px 8px 2px 2px;
  border-radius: 999px;
  background: #f3f4f6;
}

.person .dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.person.no {
  text-decoration: line-through;
  color: var(--wa-meta);
}

.person.pending {
  background: transparent;
  box-shadow: inset 0 0 0 1px #d1d5db;
  color: var(--wa-meta);
}

.options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.option {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
}

.option-btn {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  width: 100%;
  text-align: left;
  border: 1px solid #e5e7eb;
  background: #fff;
  border-radius: 9px;
  padding: 7px 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: var(--native);
  font-size: 13.5px;
}

.option-btn .bar {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--plans-soft);
  z-index: 0;
  transition: width 0.3s ease;
}

.option-btn > span {
  position: relative;
  z-index: 1;
}

.option-btn.leading {
  border-color: var(--plans);
  font-weight: 600;
}

.count .tick {
  color: var(--plans);
  font-weight: 700;
  margin-right: 3px;
}

.count {
  font-size: 12px;
  color: var(--wa-meta);
}

.nope {
  font-size: 11.5px;
  color: var(--no);
  margin-left: 6px;
  font-weight: 400;
}

.plan-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #eee9f8;
}

.plan-actions button {
  border: 0;
  background: #fff;
  padding: 11px 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--plans-ink);
  cursor: pointer;
  font-family: var(--native);
}

.plan-actions button + button {
  border-left: 1px solid #eee9f8;
}

.plan-actions button:hover {
  background: var(--plans-soft);
}

.plan-actions .is-on {
  background: var(--plans);
  color: #fff;
}

.plan-actions .is-on:hover {
  background: var(--plans-ink);
}

.plan-actions .wide {
  grid-column: 1 / -1;
  border-left: 0 !important;
  border-top: 1px solid #eee9f8;
}

.plan-foot {
  padding: 6px 14px 9px;
  font-size: 11.5px;
  color: var(--wa-meta);
  background: #faf9ff;
}

/* ---------- suggestion + composer ---------- */
.suggest {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 8px 6px;
  padding: 8px 8px 8px 12px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 0 0 1.5px var(--plans), 0 8px 20px -10px rgba(74, 43, 208, 0.5);
  font-size: 13.5px;
  animation: rise 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.suggest[hidden],
.pinned[hidden] {
  display: none;
}

@keyframes rise {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
}

.suggest-text {
  flex: 1;
  line-height: 1.3;
}

.suggest-go {
  border: 0;
  background: var(--plans);
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--native);
  font-size: 13px;
}

.suggest-x {
  border: 0;
  background: none;
  font-size: 20px;
  line-height: 1;
  color: var(--wa-meta);
  cursor: pointer;
  padding: 2px 4px;
}

.composer {
  display: flex;
  gap: 6px;
  padding: 6px 8px 10px;
  background: transparent;
}

.composer input {
  flex: 1;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: #fff;
  font-family: var(--native);
  font-size: 15px;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
}

.composer input:focus-visible {
  outline-offset: 0;
}

.send {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: #00a884;
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: none;
}

/* ---------- engine column ---------- */
.engine h2 {
  font: 700 1.35rem/1.2 var(--display);
  margin: 10px 0 4px;
  letter-spacing: -0.01em;
}

.engine-sub {
  font-size: 0.9rem;
  color: var(--forest-2);
  margin: 0 0 16px;
}

body[data-mode='before'] .engine {
  opacity: 0.45;
}

.log {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}

.log li {
  border-left: 2px solid var(--line);
  padding: 2px 0 2px 12px;
  animation: pop 0.2s ease-out;
}

.log li.trigger {
  border-left-color: var(--plans);
}

.log .said {
  font-size: 0.88rem;
  color: var(--forest-2);
  display: block;
  margin-bottom: 4px;
}

.log .said b {
  color: var(--forest);
  font-weight: 600;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  font-size: 0.78rem;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.tag.yes {
  color: var(--yes);
  border-color: color-mix(in srgb, var(--yes) 40%, transparent);
}

.tag.no {
  color: var(--no);
  border-color: color-mix(in srgb, var(--no) 40%, transparent);
}

.tag.trigger {
  background: var(--plans);
  border-color: var(--plans);
  color: #fff;
}

.tag.none {
  color: var(--forest-2);
  border-style: dashed;
}

.log-empty {
  font-size: 0.9rem;
  color: var(--forest-2);
  max-width: 36ch;
}

.foot {
  max-width: 1360px;
  margin: 0 auto;
  padding: 8px clamp(16px, 4vw, 48px) 32px;
  font-size: 0.8rem;
  color: var(--forest-2);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}