:root {
  --bg: #f5efe4;
  --paper: rgba(255, 249, 239, 0.82);
  --paper-strong: rgba(255, 249, 239, 0.94);
  --ink: #1f1a17;
  --muted: #6f6359;
  --line: rgba(65, 44, 28, 0.12);
  --accent: #b6462b;
  --accent-deep: #7c2512;
  --accent-soft: rgba(182, 70, 43, 0.12);
  --shadow: 0 24px 60px rgba(68, 44, 25, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(182, 70, 43, 0.16), transparent 28%),
    radial-gradient(circle at right 10% top 20%, rgba(132, 88, 56, 0.18), transparent 24%),
    linear-gradient(140deg, #f9f4ec 0%, #efe5d6 55%, #f7efe2 100%);
}

button,
textarea {
  font: inherit;
}

.app-shell {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: calc(28px + var(--safe-top)) 0 calc(28px + var(--safe-bottom));
}

.ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.9;
  pointer-events: none;
}

.ambient-left {
  top: 90px;
  left: -20px;
  width: 180px;
  height: 180px;
  background: rgba(146, 63, 39, 0.15);
}

.ambient-right {
  top: 360px;
  right: -10px;
  width: 220px;
  height: 220px;
  background: rgba(119, 92, 58, 0.14);
}

.hero {
  position: relative;
  margin-bottom: 14px;
}

.hero-panel,
.toolbar,
.cards,
.empty-state {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-label,
.empty-kicker {
  margin: 0 0 6px;
  color: var(--accent-deep);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.hero-panel h1,
.toolbar h2,
.empty-state h3 {
  margin: 0;
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 0.95;
  font-weight: 600;
}

.hero-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.hero-panel {
  padding: 14px 16px;
  border: 1px solid rgba(63, 41, 25, 0.08);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--paper-strong), rgba(255, 244, 232, 0.88));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  animation: rise-up 0.55s ease both;
}

.panel-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.hero-panel h1 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
}

.composer {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.composer-input {
  width: 100%;
  resize: vertical;
  min-height: 88px;
  max-height: 220px;
  padding: 14px 16px;
  border: 1px solid rgba(74, 50, 32, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 251, 246, 0.96);
  color: var(--ink);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.composer-input:focus {
  border-color: rgba(182, 70, 43, 0.36);
  box-shadow: 0 0 0 5px rgba(182, 70, 43, 0.09);
  transform: translateY(-1px);
}

.composer-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.action-button,
.copy-button {
  position: relative;
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.action-button:active,
.copy-button:active {
  transform: translateY(1px) scale(0.99);
}

.action-primary {
  color: #fff8f2;
  background: linear-gradient(135deg, var(--accent) 0%, #ca6942 100%);
  box-shadow: 0 16px 28px rgba(182, 70, 43, 0.22);
}

.action-secondary {
  color: var(--accent-deep);
  background: rgba(255, 246, 240, 0.96);
  border: 1px solid rgba(182, 70, 43, 0.16);
}

.action-button:hover,
.copy-button:hover {
  transform: translateY(-1px);
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 18px;
}

.hint,
.feedback {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.feedback {
  text-align: right;
  color: var(--accent-deep);
}

.content {
  display: grid;
  gap: 14px;
}

.toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 0 4px;
}

.toolbar h2 {
  font-size: clamp(1.18rem, 1.9vw, 1.5rem);
  line-height: 1.15;
}

.toolbar-badge {
  flex-shrink: 0;
  padding: 8px 12px;
  border: 1px solid rgba(77, 55, 36, 0.12);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.72);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 12px;
  min-height: 0;
  padding: 16px;
  border: 1px solid rgba(79, 55, 35, 0.1);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 251, 246, 0.94), rgba(253, 246, 237, 0.82)),
    rgba(255, 251, 246, 0.76);
  box-shadow: 0 14px 24px rgba(66, 46, 31, 0.08);
  backdrop-filter: blur(12px);
  transform-origin: center;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  animation: rise-up 0.55s ease both;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 28px rgba(66, 46, 31, 0.1);
}

.card.holding {
  border-color: rgba(182, 70, 43, 0.32);
  transform: scale(0.996);
}

.card.armed {
  border-color: rgba(182, 70, 43, 0.26);
  background:
    linear-gradient(180deg, rgba(255, 247, 243, 0.98), rgba(253, 241, 236, 0.9)),
    rgba(255, 251, 246, 0.76);
}

.hold-indicator {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, rgba(182, 70, 43, 0), rgba(182, 70, 43, 0.88));
  transform: scaleX(0);
  transform-origin: left;
}

.card.holding .hold-indicator {
  animation: hold-progress 600ms linear forwards;
}

.card-topline,
.card-footer,
.card-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-index,
.card-time,
.metric-created,
.metric-copy {
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 600;
}

.card-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink);
}

.card-footer {
  margin-top: auto;
  align-items: end;
}

.card-metrics {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  color: #5e4739;
  background: rgba(255, 250, 244, 0.92);
  border: 1px solid rgba(79, 55, 35, 0.12);
  box-shadow: 0 8px 16px rgba(60, 42, 33, 0.08);
}

.copy-icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.card-danger {
  display: grid;
  gap: 8px;
  padding-top: 2px;
  border-top: 1px dashed rgba(182, 70, 43, 0.18);
}

.danger-text {
  color: var(--accent-deep);
  font-size: 0.72rem;
  line-height: 1.45;
}

.danger-actions {
  display: flex;
  gap: 8px;
}

.danger-button {
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid rgba(79, 55, 35, 0.14);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.95);
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

.danger-confirm {
  border-color: rgba(182, 70, 43, 0.18);
  color: var(--accent-deep);
  background: rgba(182, 70, 43, 0.08);
}

.empty-state {
  padding: 30px 26px;
  border: 1px dashed rgba(92, 68, 48, 0.22);
  border-radius: var(--radius-xl);
  background: rgba(255, 249, 241, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.empty-state p,
.empty-state h3 {
  max-width: 34rem;
}

.empty-state p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.hidden {
  display: none;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hold-progress {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

@media (max-width: 900px) {
  .app-shell {
    width: min(100% - 20px, 100%);
    padding-top: calc(18px + var(--safe-top));
    padding-bottom: calc(20px + var(--safe-bottom));
  }

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

  .hero-panel {
    padding: 18px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  html {
    font-size: 15px;
  }

  .app-shell {
    width: min(100% - 16px, 100%);
  }

  .hero {
    margin-bottom: 14px;
  }

  .hero-panel,
  .empty-state {
    border-radius: 22px;
  }

  .hero-text {
    font-size: 0.78rem;
  }

  .composer {
    gap: 12px;
  }

  .panel-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .composer-input {
    min-height: 84px;
    padding: 14px;
  }

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

  .status-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .toolbar h2 {
    font-size: 1.2rem;
  }

  .toolbar-badge {
    width: fit-content;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 14px;
    border-radius: 16px;
    gap: 10px;
  }

  .card-topline,
  .card-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .card-footer {
    gap: 14px;
  }

  .danger-actions {
    flex-wrap: wrap;
  }

  .copy-button {
    width: 32px;
    min-height: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}