:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --btn-bg: #007bff;
  --btn-text: #ffffff;
  --btn-glow: rgba(0, 123, 255, 0.6);
  --danger-bg: #dc3545;
  --danger-glow: rgba(220, 53, 69, 0.6);
  --list-bg: #f8f9fa;
  --border-color: #dddddd;
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #f1f1f1;
  --btn-bg: #007bff;
  --btn-text: #ffffff;
  --btn-glow: rgba(0, 123, 255, 0.6);
  --danger-bg: #dc3545;
  --danger-glow: rgba(220, 53, 69, 0.6);
  --list-bg: #2d2d2d;
  --border-color: #444444;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: #1a1a1a;
    --text-color: #f1f1f1;
    --btn-bg: #007bff;
    --btn-text: #ffffff;
    --btn-glow: rgba(0, 123, 255, 0.6);
    --danger-bg: #dc3545;
    --danger-glow: rgba(220, 53, 69, 0.6);
    --list-bg: #2d2d2d;
    --border-color: #444444;
  }
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: sans-serif;
  margin: 0;
  padding: 20px;
  transition:
    background-color 0.3s,
    color 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  max-width: 600px;
  width: 100%;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

button,
.link-btn {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition:
    box-shadow 0.3s,
    transform 0.1s;
  text-decoration: none;
  display: inline-block;
  font-size: 14px;
}

button:hover,
.link-btn:hover {
  box-shadow: 0 0 12px var(--btn-glow);
}

button:active,
.link-btn:active {
  transform: scale(0.98);
}

.btn-danger {
  background-color: var(--danger-bg);
  color: #ffffff;
}

.btn-danger:hover {
  box-shadow: 0 0 12px var(--danger-glow);
}

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}

select,
input[type="file"] {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
}

ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

li {
  background-color: var(--list-bg);
  padding: 10px;
  margin-bottom: 8px;
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border-color);
}

.turnstile-container {
  margin-bottom: 20px;
}

.result-area {
  margin-top: 30px;
  border-top: 2px solid var(--border-color);
  padding-top: 20px;
}

.progress-area {
  margin-top: 16px;
}

.progress-label {
  font-weight: bold;
  margin: 12px 0 6px;
  word-break: break-all;
}

.progress-bar {
  position: relative;
  height: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: var(--list-bg);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background-color: var(--btn-bg);
  box-shadow: 0 0 12px var(--btn-glow);
  transition: width 0.35s ease;
}

.progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--btn-text);
  font-size: 13px;
  font-weight: bold;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
}