:root {
  --bg: #f3efe6;
  --ink: #171614;
  --muted: #6c6961;
  --panel: rgba(255, 255, 255, 0.72);
  --line: rgba(23, 22, 20, 0.14);
  --shadow: 0 24px 70px rgba(33, 28, 18, 0.16);
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 18%, rgba(232, 88, 68, 0.18), transparent 25rem),
    radial-gradient(circle at 85% 9%, rgba(36, 130, 116, 0.22), transparent 29rem),
    linear-gradient(135deg, #f7eadf 0%, #eef1e8 50%, #e7efe8 100%);
  color: var(--ink);
}

button,
textarea {
  font: inherit;
}

button {
  min-width: 0;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(23, 22, 20, 0.26);
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
  overflow-x: hidden;
}

.studio {
  width: min(1120px, 100%);
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(320px, 1fr);
  gap: 32px;
  align-items: center;
}

.controls {
  width: 100%;
  min-width: 0;
  display: grid;
  gap: 20px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #171614 0 45%, transparent 45%),
    linear-gradient(45deg, #ee654d, #248274);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

h1,
p {
  margin: 0;
}

h1 {
  max-width: 9ch;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.brand p {
  max-width: 28ch;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.prompt-box {
  display: grid;
  gap: 10px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.prompt-box span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

textarea {
  width: 100%;
  min-height: 124px;
  resize: vertical;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 1.08rem;
  line-height: 1.55;
}

.mode-tabs,
.actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

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

.mode-button.is-active,
.primary {
  color: #fff;
  background: #171614;
}

.ai-action {
  color: #fff;
  background: linear-gradient(135deg, #e55243, #207d73);
}

.ai-action[disabled] {
  cursor: wait;
  opacity: 0.68;
}

.secondary {
  background: #fff7e5;
}

.status {
  min-height: 1.4em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.share-shell {
  width: 100%;
  min-width: 0;
  display: grid;
  place-items: center;
}

.share-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: min(500px, 100%);
  max-width: calc(100vw - 40px);
  min-width: 0;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  padding: clamp(22px, 3.2vw, 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  color: var(--card-ink);
  background: var(--card-bg);
  box-shadow: 0 32px 90px rgba(30, 28, 22, 0.26);
}

.share-card.receipt {
  --card-bg: linear-gradient(180deg, #fffaf0 0%, #f4ead7 100%);
  --card-ink: #1f1b16;
  --accent: #e55243;
  --accent-2: #207d73;
}

.share-card.weather {
  --card-bg: linear-gradient(145deg, #102426 0%, #246f76 52%, #e0bb7a 100%);
  --card-ink: #fffdf4;
  --accent: #f2d07a;
  --accent-2: #7ee0d1;
}

.share-card.battery {
  --card-bg: linear-gradient(145deg, #161815 0%, #26322b 55%, #9b4740 100%);
  --card-ink: #f8f4e9;
  --accent: #88e0ad;
  --accent-2: #ff7568;
}

.share-card.patch {
  --card-bg: linear-gradient(145deg, #ecebe2 0%, #d3ded4 52%, #223a36 100%);
  --card-ink: #171614;
  --accent: #171614;
  --accent-2: #e55440;
}

.ambient,
.paper-grain {
  pointer-events: none;
  position: absolute;
}

.ambient {
  z-index: -2;
  width: 56%;
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: 0.5;
  filter: blur(14px);
  animation: floatGlow 7s ease-in-out infinite alternate;
}

.ambient-one {
  top: 12%;
  left: 6%;
  background: radial-gradient(circle, var(--accent), transparent 64%);
}

.ambient-two {
  right: -18%;
  bottom: 10%;
  background: radial-gradient(circle, var(--accent-2), transparent 64%);
  animation-delay: -2.8s;
}

.paper-grain {
  inset: 0;
  opacity: 0.2;
  mix-blend-mode: multiply;
  background-image:
    linear-gradient(0deg, rgba(23, 22, 20, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 22, 20, 0.04) 1px, transparent 1px);
  background-size: 18px 18px;
}

.weather .paper-grain,
.battery .paper-grain {
  mix-blend-mode: overlay;
  opacity: 0.24;
}

.card-head,
.card-foot {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: clamp(0.66rem, 1.6vw, 0.8rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.86;
}

.card-head span:last-child,
.card-foot span:last-child {
  flex: 0 0 auto;
}

.card-head span:first-child {
  min-width: 0;
}

.result {
  align-self: center;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
}

.headline {
  max-width: 10ch;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(2.25rem, 6vw, 4.15rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.meter-list {
  display: grid;
  gap: 8px;
}

.meter {
  display: grid;
  grid-template-columns: minmax(5.5em, 7em) 1fr 3.2em;
  gap: 10px;
  align-items: center;
  font-size: clamp(0.82rem, 1.7vw, 0.96rem);
  font-weight: 800;
}

.track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-ink) 18%, transparent);
}

.bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: grow 650ms ease both;
}

.diagnosis,
.advice {
  max-width: 28ch;
  font-size: clamp(0.95rem, 1.9vw, 1.1rem);
  line-height: 1.5;
}

.advice {
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--card-ink) 18%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, white 24%, transparent);
  font-weight: 800;
}

.weather .advice,
.battery .advice {
  background: rgba(255, 255, 255, 0.14);
}

.card-foot span:first-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes floatGlow {
  from {
    transform: translate3d(-4%, 2%, 0) scale(0.92);
  }
  to {
    transform: translate3d(5%, -3%, 0) scale(1.08);
  }
}

@keyframes grow {
  from {
    transform: scaleX(0);
    transform-origin: left center;
  }
}

@media (max-width: 840px) {
  .app {
    padding: 20px;
  }

  .studio {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .mode-tabs {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  body {
    overflow-x: hidden;
  }

  .app {
    width: 100%;
    display: block;
    padding: 18px;
  }

  .studio,
  .controls,
  .share-shell {
    width: min(100%, 354px);
    max-width: 100%;
  }

  .studio {
    margin: 0;
  }

  .brand {
    gap: 10px;
  }

  .mark {
    width: 36px;
    height: 36px;
  }

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

  .share-card {
    width: 100%;
    max-width: 100%;
    padding: 22px;
  }

  .meter {
    grid-template-columns: 5.2em 1fr 2.8em;
    gap: 8px;
  }
}