:root {
  --black: #1a1a1a;
  --cream: #f0f0e8;
  --cream-dark: #e1e1d4;
  --green: #2d5a2d;
  --green-bright: #7cb87c;
  --green-shadow: #c8f6b8;
  --muted: #74746d;
  --danger: #b02020;
  --border: 2px solid var(--black);
  --shadow: 10px 10px 0 var(--black);
  --shadow-small: 6px 6px 0 var(--black);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--cream);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--black);
  font-family: "Berkeley Mono", "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  background:
    linear-gradient(90deg, rgba(26, 26, 26, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(26, 26, 26, 0.05) 1px, transparent 1px),
    var(--cream);
  background-size: 32px 32px;
}

::selection {
  color: var(--cream);
  background: var(--green);
}

button,
input,
a {
  font: inherit;
}

.topbar {
  z-index: 10;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  color: var(--cream);
  background: var(--black);
  border-bottom: var(--border);
}

.brand {
  color: inherit;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 500px);
  gap: clamp(4rem, 8vw, 8rem);
  align-items: start;
  min-height: calc(100vh - 4.2rem);
  padding: clamp(2rem, 8vh, 5rem) clamp(1.25rem, 4vw, 3rem);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

h1 {
  max-width: 9.5ch;
  margin: 0;
  font-size: clamp(4rem, 9vw, 9.25rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: -0.12em;
  text-transform: uppercase;
  text-shadow: 6px 6px 0 var(--green-shadow);
}

.upload-panel {
  align-self: start;
  justify-self: end;
  width: min(100%, 500px);
  min-width: 0;
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
}

.panel-label,
.status-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
  background: var(--green);
  border-bottom: var(--border);
}

.panel-label {
  color: var(--cream);
}

.upload-form {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.drop-zone {
  position: relative;
  display: grid;
  min-height: clamp(15rem, 32vw, 23rem);
  padding: clamp(1rem, 3vw, 2rem);
  place-items: center;
  text-align: center;
  cursor: pointer;
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(45, 90, 45, 0.15) 48% 52%, transparent 52%),
    var(--cream-dark);
  border: var(--border);
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.drop-zone:hover,
.drop-zone:focus-within {
  background-color: var(--green-bright);
  box-shadow: inset 0 0 0 8px var(--cream);
  transform: translate(-2px, -2px);
}

.upload-panel.has-error .drop-zone {
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(176, 32, 32, 0.18) 48% 52%, transparent 52%),
    #f0d2cf;
  box-shadow: inset 0 0 0 8px var(--cream);
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.drop-title {
  display: block;
  max-width: 8ch;
  font-size: clamp(2.4rem, 8vw, 6.2rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.1em;
  text-transform: uppercase;
}

.drop-meta {
  display: block;
  max-width: 100%;
  padding: 0.55rem 0.75rem;
  color: var(--cream);
  font-size: 0.85rem;
  font-weight: 900;
  overflow-wrap: anywhere;
  text-transform: uppercase;
  background: var(--black);
  border: var(--border);
}

button,
.download-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 4rem;
  padding: 1rem 1.2rem;
  color: var(--cream);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  background: var(--black);
  border: var(--border);
  box-shadow: var(--shadow-small);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

button:hover,
.download-link:hover {
  background: var(--green);
  box-shadow: 3px 3px 0 var(--black);
  transform: translate(3px, 3px);
}

button:disabled {
  cursor: progress;
  opacity: 0.7;
}

.status-card {
  margin: 1rem;
  background: var(--cream-dark);
  border: var(--border);
}

.status-topline {
  color: var(--cream);
  background: var(--black);
}

#job-id {
  max-width: 48%;
  color: var(--green-bright);
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-track {
  height: 1rem;
  margin: 1rem;
  overflow: hidden;
  background: var(--cream);
  border: var(--border);
}

.progress-bar {
  width: 20%;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--green) 0 14px,
    var(--green-bright) 14px 28px
  );
  transition: width 300ms ease;
}

.status-card p {
  margin: 0;
  padding: 0 1rem 1rem;
  color: var(--black);
  font-weight: 700;
  line-height: 1.45;
}

.download-link {
  width: auto;
  margin: 0 1rem 1rem;
  background: var(--green);
}

.status-card[data-status="failed"] .progress-bar {
  background: var(--danger);
}

.status-card[data-status="downloaded"] .progress-bar {
  background: var(--muted);
}

.error-message {
  position: relative;
  margin: 1rem;
  padding: 2.7rem 1rem 1rem;
  color: var(--black);
  font-weight: 900;
  line-height: 1.35;
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow-small);
}

.error-message::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.45rem 0.75rem;
  color: var(--cream);
  content: "FILE CHECK FAILED";
  background: var(--danger);
  border-bottom: var(--border);
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-copy {
    min-height: auto;
  }

  h1 {
    max-width: 100%;
  }

  .upload-panel {
    align-self: stretch;
    justify-self: stretch;
    width: 100%;
  }

}

@media (max-width: 620px) {

  .hero {
    min-height: auto;
    padding: 1rem;
  }

  h1 {
    font-size: clamp(3.35rem, 21vw, 6rem);
    text-shadow: 4px 4px 0 var(--green-shadow);
  }

  .upload-panel {
    box-shadow: 6px 6px 0 var(--black);
  }

  #job-id {
    max-width: 42%;
  }
}