:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f7f8ff;
  --muted: rgba(247, 248, 255, 0.7);
  --accent: #7c5cff;
  --accent2: #2ee59d;
  --danger: #ff4d6d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(46, 229, 157, 0.25), transparent 55%),
    var(--bg);
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(720px, 100%);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  padding: 22px;
}

.title {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.2px;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.row {
  display: flex;
  align-items: center;
}

.row-space {
  justify-content: space-between;
  gap: 16px;
}

.form {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.label {
  font-size: 13px;
  color: var(--muted);
}

.input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  outline: none;
}

.button {
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--accent), #4a7dff);
  color: white;
  font-weight: 650;
  cursor: pointer;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.dropzone {
  position: relative;
  margin-top: 16px;
  border-radius: 16px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.18);
  padding: 22px;
  cursor: pointer;
  outline: none;
}

.dropzone.dragover {
  border-color: rgba(124, 92, 255, 0.9);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.18);
}

.dropzone-inner {
  text-align: center;
}

.drop-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.drop-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-list {
  display: grid;
  gap: 6px;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.file-name {
  font-size: 14px;
}

.file-size {
  font-size: 12px;
  color: var(--muted);
}

.progress {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.22);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  width: 0%;
  transition: width 120ms ease;
}

.status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.error {
  margin: 0;
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
}