:root {
  --bg: #09090c;
  --text: #f8fafc;
  --muted: #b4bdca;
  --line: rgba(255, 255, 255, 0.16);
  --panel: rgba(14, 16, 24, 0.78);
  --accent: #ff4d6d;
  --accent-2: #2dd4bf;
  --gold: #ffd166;
  --shadow: rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

.app-shell {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background:
    linear-gradient(112deg, rgba(255, 209, 102, 0.16), transparent 31%),
    linear-gradient(252deg, rgba(45, 212, 191, 0.16), transparent 34%),
    #09090c;
}

.app-shell::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}

.app-shell::after {
  position: absolute;
  inset: auto -14vw -18vh -14vw;
  height: 42vh;
  content: "";
  background:
    linear-gradient(90deg, transparent 0 7%, rgba(255, 255, 255, 0.11) 7% 8%, transparent 8% 14%),
    linear-gradient(90deg, #151824, #20202a 34%, #11131b 68%, #241319);
  transform: perspective(620px) rotateX(62deg);
  transform-origin: bottom;
  opacity: 0.7;
  pointer-events: none;
}

.screen {
  position: absolute;
  inset: 0;
  display: grid;
  min-height: 100svh;
  padding: clamp(20px, 4vw, 48px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 420ms ease,
    visibility 420ms ease;
}

.screen.is-active {
  opacity: 1;
  visibility: visible;
}

.screen-home {
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  justify-items: center;
}

.brand {
  position: absolute;
  top: clamp(18px, 4vw, 34px);
  left: clamp(18px, 5vw, 56px);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 32px;
  aspect-ratio: 1;
  border: 2px solid rgba(255, 255, 255, 0.82);
  border-radius: 9px;
  background:
    linear-gradient(135deg, transparent 42%, rgba(255, 255, 255, 0.95) 43% 55%, transparent 56%),
    linear-gradient(45deg, var(--accent), var(--gold));
  box-shadow: 0 14px 30px rgba(255, 77, 109, 0.3);
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(100%, 1060px);
  min-height: min(720px, calc(100svh - 80px));
  display: grid;
  align-items: center;
  padding: clamp(18px, 5vw, 72px);
}

.phone-frame::before,
.phone-frame::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.13);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
    rgba(255, 255, 255, 0.035);
  box-shadow: 0 28px 70px var(--shadow);
}

.phone-frame::before {
  right: clamp(18px, 8vw, 110px);
  top: 4%;
  width: min(28vw, 250px);
  aspect-ratio: 9 / 16;
  border-radius: 28px;
  transform: rotate(8deg);
}

.phone-frame::after {
  right: clamp(110px, 22vw, 350px);
  bottom: 5%;
  width: min(20vw, 178px);
  aspect-ratio: 9 / 16;
  border-radius: 22px;
  transform: rotate(-12deg);
  opacity: 0.62;
}

.content-panel {
  position: relative;
  z-index: 2;
  max-width: 650px;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 30px 90px var(--shadow);
  backdrop-filter: blur(20px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 18px;
  font-size: clamp(2.3rem, 8vw, 5.7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.lead {
  max-width: 56ch;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  line-height: 1.65;
}

.search-form {
  display: grid;
  gap: 10px;
}

.search-form label {
  color: #dbe3ef;
  font-size: 0.92rem;
  font-weight: 700;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.input-row input {
  min-width: 0;
  height: 58px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.input-row input:focus {
  border-color: rgba(45, 212, 191, 0.88);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.14);
}

.input-row input::placeholder {
  color: rgba(248, 250, 252, 0.42);
}

.input-row button {
  min-width: 172px;
  height: 58px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #ff8f5a);
  color: white;
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 18px 42px rgba(255, 77, 109, 0.26);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.input-row button:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(255, 77, 109, 0.34);
}

.screen-loading,
.screen-result {
  place-items: center;
  z-index: 3;
}

.loader-wrap {
  width: min(100%, 420px);
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.scanner {
  position: relative;
  width: 168px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  box-shadow: 0 28px 72px var(--shadow);
}

.scanner::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(45, 212, 191, 0.5), transparent);
  animation: scan 1.35s linear infinite;
}

.scanner span {
  width: 72%;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.scanner span:nth-child(2) {
  width: 56%;
}

.scanner span:nth-child(3) {
  width: 42%;
}

.loader-wrap h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: 0;
}

.loader-wrap p {
  max-width: 32ch;
  margin-bottom: 2px;
  color: var(--muted);
  line-height: 1.55;
}

.progress {
  width: min(100%, 320px);
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--gold), var(--accent));
  transition: width 200ms linear;
}

.empty-state {
  width: min(72vw, 720px);
  min-height: min(48vh, 420px);
}

@keyframes scan {
  from {
    transform: translateY(-100%);
  }

  to {
    transform: translateY(100%);
  }
}

@media (max-width: 720px) {
  .screen {
    padding: 18px;
  }

  .brand {
    left: 20px;
  }

  .phone-frame {
    min-height: 100svh;
    padding: 72px 0 40px;
    align-items: center;
  }

  .phone-frame::before {
    top: 86px;
    right: -34px;
    width: 142px;
    border-radius: 20px;
  }

  .phone-frame::after {
    right: auto;
    left: -38px;
    bottom: 46px;
    width: 112px;
    border-radius: 18px;
  }

  .content-panel {
    align-self: center;
    width: 100%;
    padding: 28px 20px 22px;
    transform: translateY(24px);
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(2.34rem, 12.6vw, 3.85rem);
  }

  .lead {
    margin-bottom: 28px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .input-row input,
  .input-row button {
    width: 100%;
    min-width: 0;
  }
}