:root {
  --bg: #0a0a14;
  --bg-glow: radial-gradient(circle at 50% 0%, rgba(99, 91, 255, 0.12), transparent 60%);
  --card: #14141f;
  --card-border: #23233a;
  --card-hover: #1a1a2c;
  --text: #f2f2f7;
  --text-dim: #9494b0;
  --text-faint: #5f5f7a;
  --purple: #7c6bff;
  --blue: #5b8cff;
  --gradient: linear-gradient(90deg, var(--purple), var(--blue));
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --danger: #ff6b6b;
  --success: #5be0a3;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg) var(--bg-glow);
  background-attachment: fixed;
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.brand {
  text-align: center;
  margin-bottom: 44px;
}

.brand h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.brand h1 .accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand p {
  color: var(--text-dim);
  font-size: 15px;
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.card:hover {
  border-color: #34345a;
  background: var(--card-hover);
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.file-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
}

.file-card .icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.file-card .name {
  font-weight: 600;
  font-size: 15px;
  word-break: break-word;
  line-height: 1.35;
}

.file-card .meta {
  font-size: 12.5px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

.empty-state {
  text-align: center;
  color: var(--text-faint);
  padding: 60px 20px;
  font-size: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  padding: 13px 22px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  background: var(--gradient);
  color: #fff;
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.btn:hover {
  opacity: 0.9;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.secondary {
  background: #1c1c2e;
  border: 1px solid var(--card-border);
  color: var(--text);
}

.btn.danger {
  background: #2a1414;
  border: 1px solid #4a2222;
  color: var(--danger);
}

input[type="text"],
input[type="password"],
input[type="file"] {
  width: 100%;
  background: #0f0f1a;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 13px 14px;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.15s ease;
}

input:focus {
  border-color: var(--purple);
}

label {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.field {
  margin-bottom: 20px;
}

.progress-outer {
  height: 10px;
  border-radius: 999px;
  background: #0f0f1a;
  border: 1px solid var(--card-border);
  overflow: hidden;
  margin-top: 14px;
}

.progress-inner {
  height: 100%;
  width: 0%;
  background: var(--gradient);
  transition: width 0.1s linear;
}

.pill {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill.ok {
  background: rgba(91, 224, 163, 0.12);
  color: var(--success);
}

.pill.err {
  background: rgba(255, 107, 107, 0.12);
  color: var(--danger);
}

.status-msg {
  font-size: 13.5px;
  margin-top: 14px;
  color: var(--text-dim);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 13.5px;
  margin-bottom: 24px;
}

.back-link:hover {
  color: var(--text);
}

.footer {
  text-align: center;
  color: var(--text-faint);
  font-size: 12.5px;
  margin-top: 60px;
}

.file-list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  background: var(--card);
  margin-bottom: 10px;
}

.file-list-row .info {
  min-width: 0;
}

.file-list-row .info .name {
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list-row .info .meta {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 3px;
}

.file-list-row .actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.file-list-row .actions .btn {
  padding: 8px 14px;
  font-size: 13px;
}

.detail-card {
  text-align: center;
  padding: 48px 32px;
}

.detail-card .icon-lg {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto 22px;
}

.detail-card h2 {
  font-size: 22px;
  margin: 0 0 8px;
  word-break: break-word;
}

.detail-card .meta {
  color: var(--text-faint);
  font-size: 13.5px;
  margin-bottom: 28px;
}