:root {
  --bg-1: #09162a;
  --bg-2: #123862;
  --panel: rgba(5, 11, 22, 0.9);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f3f6ff;
  --muted: #a6bad8;
  --brand: #3cb4ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #1e5a9b 0%, var(--bg-1) 40%), linear-gradient(135deg, var(--bg-1), var(--bg-2));
}

.app-wrap {
  width: min(980px, 94vw);
  margin: 4rem auto;
  display: grid;
  gap: 1.2rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  backdrop-filter: blur(10px);
}

h1,
h2,
h3 {
  margin: 0 0 0.5rem;
}

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

.stack {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

button {
  border: 1px solid transparent;
  background: var(--brand);
  color: #031222;
  font-weight: 700;
  border-radius: 10px;
  padding: 0.62rem 0.95rem;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

button:hover {
  filter: brightness(1.05);
}

.hidden {
  display: none;
}

.status {
  min-height: 1.35rem;
  margin: 0.7rem 0 0;
  font-size: 0.92rem;
  color: #d2e4ff;
}

.top-row,
.library-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.upload-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-top: 1rem;
}

.file-label {
  flex: 1 1 320px;
}

.file-list {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.file-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
}

.file-meta {
  display: grid;
  gap: 0.25rem;
}

.file-link {
  color: #9fdbff;
  text-decoration: none;
  word-break: break-all;
  font-size: 0.9rem;
}

.file-link:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .app-wrap {
    margin: 1rem auto;
  }

  .top-row,
  .library-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .file-item {
    grid-template-columns: 1fr;
  }
}