* {
  box-sizing: border-box;
}

:root {
  --kvibe-surface: #191b24;
  --kvibe-grid-dot: rgba(50, 52, 62, 0.45);
  --card-bg: #21242f;
  --card-border: #32354424;
  --accent: #c8ff00;
  --accent-dim: #92d749;
  --muted: #b8b8c8;
  --danger: #ff6b81;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'SN Pro', system-ui, -apple-system, sans-serif;
  color: #e8eaf0;
  background-color: var(--kvibe-surface);
  background-image: radial-gradient(
    var(--kvibe-grid-dot) 1px,
    var(--kvibe-surface) 1px
  );
  background-size: 20px 20px;
}

.board {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.board__header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.board__title {
  margin: 0;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 1.5rem;
  font-weight: 600;
}

.board__title-accent {
  color: var(--accent);
}

.board__lead {
  margin: 0.6rem auto 0;
  max-width: 26rem;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---- форма ---- */
.composer {
  background: var(--card-bg);
  border: 1px solid #323544;
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.composer__row + .composer__row {
  margin-top: 0.6rem;
}

.composer__input,
.composer__textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: 9px;
  border: 1px solid #3a3e4f;
  background: #16181f;
  color: #e8eaf0;
  font-family: 'SN Pro', system-ui, sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  resize: vertical;
}

.composer__input:focus,
.composer__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
}

.composer__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
  gap: 0.75rem;
}

.composer__counter {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

.composer__counter.is-max {
  color: var(--danger);
}

.composer__submit {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 9px;
  background: var(--accent);
  color: #131505;
  font-family: 'SN Pro', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.15s ease;
}

.composer__submit:hover {
  filter: brightness(1.08);
}

.composer__submit:active {
  transform: scale(0.96);
}

/* ---- лента ---- */
.feed {
  margin-top: 1.75rem;
}

.feed__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.feed__heading {
  margin: 0;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: #e1e1ee;
}

.feed__clear {
  padding: 0.35rem 0.75rem;
  border: 1px solid #3a3e4f;
  border-radius: 8px;
  background: transparent;
  color: var(--danger);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.feed__clear:hover {
  background: rgba(255, 107, 129, 0.12);
}

.feed__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.msg-card {
  background: var(--card-bg);
  border: 1px solid #323544;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  animation: pop-in 0.25s ease both;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.msg-card__author {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-dim);
}

.msg-card__date {
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

.msg-card__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.msg-card__delete {
  margin-top: 0.55rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid #3a3e4f;
  border-radius: 7px;
  background: transparent;
  color: var(--danger);
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.msg-card__delete:hover {
  background: rgba(255, 107, 129, 0.12);
}

.feed__empty {
  text-align: center;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 1.5rem 0;
}

.feed__empty.is-hidden {
  display: none;
}

/* ---- подвал и тост ---- */
.board__footer {
  margin-top: 2rem;
  text-align: center;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 0.75rem;
  color: #8b8b9d;
}

.board__footer code {
  color: var(--accent);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  padding: 0.7rem 1.2rem;
  border-radius: 10px;
  background: var(--accent);
  color: #131505;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}