:root {
  color-scheme: light;
  --bg: #f7f5f0;
  --ink: #1e2524;
  --muted: #6a716f;
  --line: #dad5cb;
  --panel: #fffdf8;
  --accent: #176b5d;
  --accent-strong: #0c4038;
  --gold: #c68a25;
  --danger: #a53b32;
  --ok: #206f45;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.9), rgba(247, 245, 240, 0.96)),
    repeating-linear-gradient(90deg, rgba(30, 37, 36, 0.035) 0 1px, transparent 1px 80px);
  color: var(--ink);
}

a {
  color: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0;
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--ink);
  color: #fffdf8;
}

nav a,
.owner {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

nav a.active,
nav a:hover {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.72);
  color: var(--ink);
}

.owner {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.72);
}

main {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 80px;
}

.welcome {
  background:
    linear-gradient(125deg, rgba(23, 107, 93, 0.16), transparent 42%),
    linear-gradient(320deg, rgba(198, 138, 37, 0.14), transparent 44%),
    var(--bg);
}

.welcome-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.8fr);
  align-items: center;
  min-height: 100vh;
  padding: 48px 0;
  gap: 56px;
}

.intro h1,
.empty h1,
.panel h1,
.upload-panel h1,
.uploaded h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 0.96;
  letter-spacing: 0;
}

.panel h1,
.upload-panel h1,
.uploaded h1 {
  font-size: clamp(32px, 5vw, 56px);
}

.intro p:not(.eyebrow),
.empty p,
.drop-copy {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.name-card,
.upload-form,
.share-box,
.file-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 18px 54px rgba(30, 37, 36, 0.08);
}

.name-card {
  display: grid;
  gap: 14px;
  padding: 24px;
}

label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input[type="text"],
.share-box input,
.actions input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  padding: 13px 14px;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0 18px;
  text-decoration: none;
}

button:hover,
.button:hover {
  background: var(--accent-strong);
}

.secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.secondary:hover {
  background: #fffdf8;
}

.error {
  color: var(--danger);
  margin: 0;
}

.success {
  color: var(--ok);
  margin: 0;
}

.empty,
.panel,
.upload-panel,
.uploaded {
  padding-top: 28px;
}

.empty {
  display: grid;
  gap: 22px;
  justify-items: start;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.file-list {
  display: grid;
  gap: 12px;
}

.file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.78fr);
  align-items: center;
  gap: 20px;
  padding: 16px;
}

.file-row h2 {
  margin: 0 0 4px;
  font-size: 18px;
}

.file-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.actions,
.share-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.share-box {
  width: min(720px, 100%);
  margin: 28px 0 18px;
  padding: 10px;
}

.icon-link {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-size: 20px;
  text-decoration: none;
}

.upload-form {
  display: grid;
  gap: 18px;
  width: min(680px, 100%);
  margin-top: 28px;
  padding: 18px;
}

.dropzone {
  display: grid;
  place-items: center;
  min-height: 260px;
  border: 1px dashed #a8a195;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  padding: 28px;
  text-align: center;
}

.dropzone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: #efe8da;
  color: var(--accent);
  font-size: 28px;
  font-weight: 900;
}

.drop-title {
  display: block;
  margin-bottom: 6px;
  font-size: 22px;
  font-weight: 850;
}

.dropzone.has-file {
  border-color: var(--accent);
  background: #f7fbf8;
}

@media (max-width: 720px) {
  .topbar,
  .section-head,
  .file-row,
  .welcome-shell {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-head {
    align-items: flex-start;
  }

  .topbar {
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .file-row {
    display: grid;
  }

  .actions,
  .share-box {
    align-items: stretch;
  }
}