:root {
  --cream: #f7f1e6;
  --sand: #e9dcc7;
  --ink: #1d2a38;
  --muted: #5f6d78;
  --clay: #bc6c25;
  --forest: #5a7d4f;
  --card: rgba(255, 251, 245, 0.92);
  --shadow: 0 24px 60px rgba(30, 42, 56, 0.14);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(188, 108, 37, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(90, 125, 79, 0.18), transparent 32%),
    linear-gradient(145deg, #f2e9db, #fbf7ef 55%, #efe3d2);
}

.page {
  width: min(1024px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  padding: 24px 0 12px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--clay);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2 {
  font-weight: 600;
  line-height: 1.1;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.intro {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--muted);
}

.card,
.rules,
.alerts {
  margin-top: 28px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(29, 42, 56, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.upload-form {
  display: grid;
  gap: 18px;
}

.dropzone {
  display: grid;
  gap: 8px;
  padding: 28px;
  border: 2px dashed rgba(29, 42, 56, 0.24);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 252, 247, 0.92));
  cursor: pointer;
}

.dropzone:hover {
  border-color: rgba(188, 108, 37, 0.7);
}

.dropzone input {
  margin-top: 12px;
}

.dropzone-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.dropzone-copy {
  color: var(--muted);
  line-height: 1.5;
}

.file-list {
  color: var(--ink);
}

.file-summary {
  margin: 0 0 8px;
  font-weight: 700;
}

.file-list ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.primary-button {
  width: fit-content;
  border: 0;
  border-radius: 999px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--clay), #d08c43);
  color: #fffdf8;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(188, 108, 37, 0.28);
}

.primary-button:hover {
  transform: translateY(-1px);
}

.alerts {
  display: grid;
  gap: 12px;
}

.alert {
  border-radius: 18px;
  padding: 14px 18px;
  background: rgba(255, 247, 235, 0.95);
  border: 1px solid rgba(188, 108, 37, 0.22);
}

.alert.error {
  color: #8c2f39;
  border-color: rgba(140, 47, 57, 0.2);
  background: rgba(255, 240, 242, 0.94);
}

.rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.rules div {
  background: rgba(255, 252, 247, 0.82);
  border: 1px solid rgba(29, 42, 56, 0.08);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 12px 30px rgba(30, 42, 56, 0.08);
}

.rules p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 700px) {
  .page {
    width: min(100% - 20px, 1024px);
    padding-top: 28px;
  }

  .card {
    padding: 18px;
  }

  .dropzone {
    padding: 20px;
  }

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