:root {
  color-scheme: light;
  --bg: #fcf8ff;
  --bg-soft: #f8efff;
  --panel: #ffffff;
  --panel-alt: #faf2ff;
  --text: #3f2f55;
  --muted: #87739d;
  --line: #eadcf8;
  --accent: #df7cd9;
  --accent-strong: #b767d8;
  --accent-soft: #f0defe;
  --shadow: 0 18px 40px rgba(184, 120, 219, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(252, 248, 255, 0.98)),
    linear-gradient(135deg, #fffefe 0%, var(--bg-soft) 100%);
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  transition: background 140ms ease, transform 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  background: #fffefe;
  color: var(--text);
}

input:focus {
  outline: 2px solid rgba(183, 103, 216, 0.22);
  border-color: var(--accent);
}

h1,
h2,
p {
  margin: 0;
}

.app {
  width: min(980px, calc(100vw - 28px));
  margin: 0 auto;
  height: 100vh;
  padding: 14px 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 12px;
}

.topbar,
.name-card,
.side-card,
.chat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.topbar {
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.kicker {
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.topbar h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 10px;
}

.lead {
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.5;
}

.count-card {
  min-width: 128px;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  text-align: center;
}

.count-card span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.count-card strong {
  display: block;
  margin-top: 6px;
  font-size: 2.2rem;
  color: var(--accent-strong);
}

.name-card {
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

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

.stack-field span,
.status {
  color: var(--muted);
  font-size: 0.94rem;
}

.name-card button,
.composer button {
  background: var(--accent);
  color: #fff;
  padding: 14px 18px;
}

.name-card button:hover,
.composer button:hover {
  background: var(--accent-strong);
}

.content-grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  min-height: 0;
}

.side-card,
.chat-card {
  padding: 18px;
  min-height: 0;
}

.side-card {
  overflow: auto;
}

.chat-card {
  display: flex;
  flex-direction: column;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.card-head h2 {
  font-size: 1.1rem;
}

.ghost-button {
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 10px 14px;
}

.ghost-button:hover {
  background: #e8cdfd;
}

.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.user-list li {
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
}

.status {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--panel-alt);
  border-radius: 14px;
}

.messages {
  min-height: 0;
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.message,
.event {
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  width: fit-content;
  max-width: min(100%, 36rem);
}

.message {
  min-width: 180px;
}

.message p {
  overflow-wrap: anywhere;
}

.event {
  align-self: center;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.message header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

.message strong {
  color: var(--accent-strong);
}

.composer {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  flex-shrink: 0;
}

.confetti-layer {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.confetti-piece {
  position: absolute;
  top: -10vh;
  width: 12px;
  height: 20px;
  border-radius: 4px;
  opacity: 0.9;
  animation: fall 1800ms linear forwards;
}

@keyframes fall {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }

  100% {
    transform: translate3d(var(--x-shift), 120vh, 0) rotate(540deg);
  }
}

@media (max-width: 760px) {
  body {
    overflow: auto;
  }

  .topbar,
  .name-card,
  .content-grid,
  .composer,
  .actions-head {
    display: grid;
    grid-template-columns: 1fr;
  }

  .count-card {
    min-width: 0;
  }

  .app {
    height: auto;
    min-height: 100vh;
  }
}