:root {
  --bg-0: #050910;
  --bg-1: #0a1322;
  --bg-2: #0d2241;
  --bg-3: #103268;
  --surface: #0e1a2d;
  --surface-soft: #101f36;
  --surface-border: #243a5d;
  --text: #eaf1ff;
  --text-soft: #9db0cf;
  --line: #2a436b;
  --primary: #2b7fff;
  --primary-dark: #165ec9;
  --success: #17a673;
  --danger: #d2534a;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  color-scheme: dark;
  background:
    radial-gradient(780px 380px at 90% -12%, rgb(61 132 255 / 20%) 0%, transparent 65%),
    radial-gradient(700px 380px at -8% 108%, rgb(43 127 255 / 20%) 0%, transparent 70%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1) 35%, var(--bg-2) 70%, var(--bg-3));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: radial-gradient(circle, rgb(255 255 255 / 55%) 0.5px, transparent 0.7px);
  background-size: 4px 4px;
}

h1,
h2 {
  margin: 0.38rem 0 0.78rem;
  font-family: "Sora", "Manrope", sans-serif;
  line-height: 1.1;
}

h1 {
  color: #f2f7ff;
  font-size: clamp(2.3rem, 4vw, 4rem);
  text-wrap: balance;
}

h2 {
  color: var(--text);
  font-size: 1.3rem;
}

.hero-sub {
  margin: 0;
  color: #c2d5f3;
  font-size: 1.1rem;
  line-height: 1.45;
}

.app-shell {
  width: min(1420px, 97vw);
  margin: 1.8rem auto;
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(620px, 1.4fr);
  gap: 1.2rem;
  align-items: start;
}

.hero {
  color: #ecf4ff;
  padding: 0.75rem 0.35rem;
}

.badge {
  margin: 0;
  color: #8dc0ff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

.limits {
  margin-top: 0.9rem;
  display: inline-block;
  border: 1px solid rgb(141 192 255 / 38%);
  border-radius: 999px;
  padding: 0.58rem 0.88rem;
  font-size: 0.9rem;
  color: #c7dbf9;
  background: rgb(11 28 53 / 65%);
}

.actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.home-card {
  display: grid;
  gap: 0.9rem;
}

.home-cta-group {
  display: grid;
  gap: 0.78rem;
}

.home-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  text-decoration: none;
  font-family: "Sora", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid #2f4e77;
  border-radius: var(--radius-md);
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.home-cta:hover {
  transform: translateY(-1px);
}

.home-cta-primary {
  color: #fff;
  border-color: #2a74dd;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
}

.home-cta-primary:hover {
  box-shadow: 0 8px 14px rgb(9 84 184 / 30%);
}

.home-cta-secondary {
  color: #b8cff1;
  background: #10233f;
}

.home-cta-secondary:hover {
  border-color: #3c69a0;
  background: #122a4b;
}

.card,
.action-card {
  background: linear-gradient(180deg, var(--surface-soft), var(--surface));
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 1.2rem;
  box-shadow: 0 20px 36px rgb(0 0 0 / 30%);
  backdrop-filter: blur(2px);
}

.action-card p {
  margin: 0 0 1rem;
  color: var(--text-soft);
  line-height: 1.45;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 1px solid #2c75df;
  border-radius: var(--radius-md);
  color: #fff;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  font-family: "Sora", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.68rem 0.96rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.link-btn::after {
  content: "->";
  font-size: 0.82rem;
}

.link-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 17px rgb(6 90 199 / 30%);
}

.link-btn.ghost {
  color: #9ec4ff;
  background: #0f203a;
  border-color: #355681;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.72rem;
}

.link-mini {
  text-decoration: none;
  color: #9fc3f8;
  font-size: 0.9rem;
  font-weight: 600;
}

.step-tag {
  font-size: 0.79rem;
  color: #9eb7d9;
  border: 1px solid #355277;
  border-radius: 999px;
  background: #0f2039;
  padding: 0.22rem 0.56rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: #d8e4f8;
  font-size: 0.92rem;
}

.field-hint {
  color: var(--text-soft);
  font-size: 0.84rem;
  min-height: 1.1rem;
  display: inline-block;
}

.field-hint-placeholder {
  visibility: hidden;
}

label:has(input[type="file"]),
.advanced-options,
.form-grid button,
.flash,
.share-box,
.meta {
  grid-column: 1 / -1;
}

.advanced-options {
  border: 1px solid #2c4468;
  border-radius: var(--radius-md);
  background: #0d1b30;
  padding: 0.62rem 0.72rem;
}

.advanced-options summary {
  cursor: pointer;
  color: #a8c9fb;
  font-weight: 600;
}

.advanced-grid {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: start;
}

.advanced-grid .full-row {
  grid-column: 1 / -1;
}

input,
button {
  width: 100%;
  border-radius: var(--radius-md);
  font-family: inherit;
}

input {
  border: 1px solid var(--line);
  background: #0a1526;
  color: #ebf3ff;
  font-size: 0.98rem;
  padding: 0.72rem 0.78rem;
}

input::placeholder {
  color: #7388a8;
}

input:focus {
  outline: 2px solid rgb(43 127 255 / 24%);
  border-color: var(--primary);
}

button {
  border: 1px solid #2a74dd;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
  font-family: "Sora", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.72rem 0.84rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 14px rgb(9 84 184 / 30%);
}

button:disabled {
  opacity: 0.62;
  cursor: wait;
}

.flash {
  margin-top: 0.7rem;
  border: 1px solid #2f4e77;
  border-radius: var(--radius-md);
  padding: 0.7rem;
  color: #b4ceef;
  background: #0f2038;
  font-size: 0.92rem;
}

.flash.error {
  border-color: #6b3735;
  color: #f3b7b2;
  background: #2a1618;
}

.hidden {
  display: none;
}

.share-box {
  margin-top: 0.82rem;
  border: 1px solid #2f476b;
  border-radius: 14px;
  padding: 0.82rem;
  background: linear-gradient(180deg, #0f2038, #0c182a);
  display: grid;
  gap: 0.7rem;
}

.share-row {
  display: grid;
  gap: 0.3rem;
}

.share-row span {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.inline-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem;
}

.inline-copy button {
  width: auto;
  border: 1px solid #35547c;
  background: #10233f;
  color: #cbe0ff;
  box-shadow: none;
}

.meta {
  margin: 0.7rem 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.file-list {
  list-style: none;
  margin: 0.78rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.58rem;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border: 1px solid #2f4669;
  border-radius: 13px;
  padding: 0.72rem;
  background: #0f1d33;
}

.file-main {
  display: grid;
  gap: 0.18rem;
}

.file-name {
  font-weight: 700;
}

.file-sub {
  color: var(--text-soft);
  font-size: 0.87rem;
}

.file-item button {
  width: auto;
  border-color: #1d8d67;
  background: linear-gradient(120deg, #138d66, var(--success));
  box-shadow: none;
}

@media (max-width: 1120px) {
  .app-shell {
    width: min(940px, 94vw);
    grid-template-columns: 1fr;
    margin-top: 1.2rem;
  }

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

  .hero {
    padding: 0.4rem 0.15rem;
  }
}

@media (max-width: 720px) {
  .card,
  .action-card {
    border-radius: var(--radius-lg);
    padding: 1rem;
  }

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

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

  .inline-copy {
    grid-template-columns: 1fr;
  }

  .file-item {
    flex-direction: column;
    align-items: flex-start;
  }
}