:root {
  --bg: #0f1218;
  --bg-elev: #171c26;
  --bg-input: #0c0f14;
  --border: #2a3140;
  --text: #e8edf5;
  --muted: #93a0b5;
  --accent: #5b9dff;
  --accent-hover: #7ab0ff;
  --ok: #3dd68c;
  --ok-bg: rgba(61, 214, 140, 0.12);
  --err: #ff6b7a;
  --err-bg: rgba(255, 107, 122, 0.12);
  --danger: #e5484d;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(91, 157, 255, 0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.wrap {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand strong {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand span {
  color: var(--muted);
  font-size: 0.9rem;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.card h1, .card h2 {
  margin: 0 0 8px;
  font-weight: 650;
}

.card h1 {
  font-size: 1.45rem;
}

.card h2 {
  font-size: 1.15rem;
}

.lede {
  color: var(--muted);
  margin: 0 0 20px;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="file"] {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font: inherit;
}

input[type="file"] {
  padding: 8px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr 140px auto;
  gap: 12px;
  align-items: end;
}

.row > div {
  min-width: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

button, .btn {
  appearance: none;
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #0b1220;
}

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

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.danger, .btn.danger {
  background: var(--danger);
  color: white;
}

.flash {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.flash li {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
}

.flash .ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.flash .error {
  background: var(--err-bg);
  color: var(--err);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
}

.inline-form {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 0 0 6px;
}

.inline-form input {
  margin: 0;
  width: auto;
  min-width: 140px;
  flex: 1;
}

.inline-form button {
  padding: 8px 10px;
}

.share {
  background: rgba(91, 157, 255, 0.1);
  border: 1px solid rgba(91, 157, 255, 0.28);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 16px;
}

.share code {
  display: block;
  margin-top: 6px;
  word-break: break-all;
  color: var(--accent);
  font-size: 1rem;
}

.login-card {
  width: min(420px, 100%);
  margin: 8vh auto 0;
}

.empty {
  color: var(--muted);
  padding: 12px 0;
}

.progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.progress-track {
  flex: 1;
  height: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #7ee0c5);
  transition: width 0.15s ease-out;
}

#upload-progress-text {
  min-width: 3.2em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.flash-inline {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
}

.flash-inline.error {
  background: var(--err-bg);
  color: var(--err);
}

.share a {
  display: block;
  margin-top: 6px;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (max-width: 800px) {
  .row {
    grid-template-columns: 1fr;
  }
  .top {
    flex-direction: column;
    align-items: flex-start;
  }
}