src/index.css

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700&display=swap');
@import "tailwindcss";

@theme {
  --font-display: "Instrument Serif", serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
}

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

body {
  @apply m-0 bg-[#f7f3eb] font-sans text-[#1b2940] antialiased;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.aethera-shell {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background: #fbf8f1;
}

.aethera-background,
.aethera-video,
.aethera-video-overlay,
.aethera-noise {
  position: absolute;
  inset: 0;
}

.aethera-background {
  inset: 250px 0 0 0;
  height: auto;
  pointer-events: none;
}

.aethera-video {
  object-fit: cover;
  transition: opacity 120ms linear;
  filter: saturate(1.04) brightness(1.05);
}

.aethera-video-overlay {
  background:
    linear-gradient(
      180deg,
      rgba(251, 248, 241, 1) 0%,
      rgba(251, 248, 241, 0.22) 18%,
      rgba(251, 248, 241, 0) 34%,
      rgba(251, 248, 241, 0) 84%,
      rgba(251, 248, 241, 0.24) 94%,
      rgba(251, 248, 241, 0.62) 100%
    );
}

.aethera-noise {
  display: none;
}

.aethera-content {
  position: relative;
  z-index: 1;
  width: min(1380px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 20px 0 24px;
}

.aethera-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(27, 41, 64, 0.1);
}

.aethera-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.aethera-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.52);
  color: #1b2940;
  backdrop-filter: blur(10px);
}

.aethera-brand-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.aethera-brand-subtitle {
  margin: 4px 0 0;
  color: rgba(27, 41, 64, 0.56);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.aethera-nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 14px;
  color: rgba(27, 41, 64, 0.72);
  font-size: 0.88rem;
}

.aethera-nav-links span,
.aethera-nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
}

.aethera-hero {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 24px 0 8px;
}

.aethera-eyebrow {
  margin: 0;
  color: rgba(74, 112, 160, 0.9);
  font-size: 0.76rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

.aethera-title {
  max-width: 980px;
  margin: 8px 0 0;
  font-family: var(--font-display);
  color: #162338;
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  font-weight: 400;
  line-height: 0.93;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.aethera-summary {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(27, 41, 64, 0.76);
  font-size: 0.92rem;
  line-height: 1.65;
}

.aethera-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.aethera-pill {
  border: 1px solid rgba(27, 41, 64, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  padding: 9px 16px;
  color: rgba(27, 41, 64, 0.84);
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.aethera-pill:hover,
.aethera-pill.is-active {
  background: rgba(191, 227, 255, 0.92);
  color: #08111f;
  border-color: rgba(162, 214, 255, 0.92);
  transform: translateY(-1px);
}

.aethera-flow {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 34px;
  margin-top: 16px;
  min-height: 0;
  flex: 1;
  align-items: start;
}

.aethera-label {
  display: block;
  color: rgba(27, 41, 64, 0.56);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.aethera-label-gap {
  margin-top: 22px;
}

.aethera-form,
.aethera-controls {
  min-height: 0;
}

.aethera-form {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.aethera-compose {
  position: relative;
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: 18px 22px 18px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 252, 244, 0.68), rgba(255, 252, 244, 0.34));
  border: 1px solid rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(10px);
}

.aethera-input,
.aethera-textarea {
  width: 100%;
  padding: 12px 0 12px;
  border: 0;
  border-bottom: 1px solid rgba(27, 41, 64, 0.16);
  background: transparent;
  color: #172235;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.aethera-input {
  margin-top: 8px;
  font-size: 1.04rem;
}

.aethera-textarea {
  min-height: 124px;
  max-height: 136px;
  margin-top: 8px;
  resize: none;
  font-size: 0.92rem;
  line-height: 1.7;
}

.aethera-input::placeholder,
.aethera-textarea::placeholder {
  color: rgba(27, 41, 64, 0.34);
}

.aethera-input:focus,
.aethera-textarea:focus {
  border-color: rgba(93, 152, 211, 0.85);
  box-shadow: inset 0 -1px 0 rgba(93, 152, 211, 0.85);
}

.aethera-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.aethera-actions-right {
  margin-top: 0;
}

.aethera-cta,
.aethera-ghost {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.aethera-cta {
  background: #17304e;
  color: #fffef8;
  border: 1px solid #17304e;
}

.aethera-cta:hover,
.aethera-ghost:hover {
  transform: translateY(-1px);
}

.aethera-cta:disabled,
.aethera-ghost:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.aethera-ghost {
  border: 1px solid rgba(27, 41, 64, 0.14);
  background: rgba(255, 255, 255, 0.72);
  color: rgba(27, 41, 64, 0.84);
}

.aethera-controls {
  display: flex;
  min-height: 0;
  flex-direction: column;
  padding-top: 4px;
  gap: 10px;
}

.aethera-inline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: rgba(27, 41, 64, 0.66);
  font-size: 0.82rem;
}

.aethera-sliders {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 18px;
}

.aethera-slider-row {
  display: block;
  padding-top: 8px;
  border-top: 1px solid rgba(27, 41, 64, 0.1);
}

.aethera-slider-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(27, 41, 64, 0.82);
  font-size: 0.9rem;
}

.aethera-slider-top strong {
  color: rgba(53, 104, 160, 0.96);
  font-weight: 600;
}

.aethera-range {
  width: 100%;
  margin-top: 6px;
  accent-color: rgb(102 167 224);
}

.aethera-output {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding-top: 10px;
  border-top: 1px solid rgba(27, 41, 64, 0.12);
}

.aethera-output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(27, 41, 64, 0.58);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.aethera-error {
  margin: 12px 0 0;
  color: rgb(179 55 43);
  line-height: 1.6;
}

.aethera-output-text {
  max-width: 100%;
  min-height: 0;
  flex: 1;
  margin-top: 10px;
}

.aethera-output-field {
  width: 100%;
  min-height: 240px;
  max-height: 520px;
  padding: 16px 18px;
  border: 1px solid rgba(27, 41, 64, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  color: rgba(27, 41, 64, 0.9);
  font-size: 0.95rem;
  line-height: 1.78;
  resize: none;
  overflow: auto;
  outline: none;
  box-sizing: border-box;
}

.aethera-output-field::placeholder {
  color: rgba(27, 41, 64, 0.5);
}

.aethera-output-field:focus {
  border-color: rgba(93, 152, 211, 0.45);
  box-shadow: 0 0 0 3px rgba(93, 152, 211, 0.08);
}

.aethera-dock {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 18px 24px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(27, 41, 64, 0.1);
}

@media (max-width: 1180px) {
  .aethera-background {
    inset: 320px 0 0 0;
  }

  .aethera-flow {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .aethera-dock {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .aethera-background {
    inset: 390px 0 0 0;
  }

  .aethera-content {
    width: min(100% - 28px, 1380px);
    padding-top: 16px;
  }

  .aethera-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .aethera-nav-links {
    justify-content: flex-start;
  }

  .aethera-hero {
    padding-top: 24px;
  }

  .aethera-summary {
    font-size: 0.92rem;
  }

  .aethera-textarea {
    min-height: 118px;
    max-height: 128px;
  }

  .aethera-output-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .aethera-sliders {
    grid-template-columns: 1fr;
  }
}