* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #1d2939;
}

.container {
  width: min(980px, 92vw);
  margin: 24px auto;
}

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

.card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(17, 24, 39, 0.1);
}

.auth-card {
  width: min(440px, 100%);
}

.stack {
  display: grid;
  gap: 12px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.space-between {
  justify-content: space-between;
}

.align-start {
  align-items: flex-start;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 9px 10px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: #fff;
  background: #0f7cff;
}

button.secondary {
  background: #475467;
}

button.danger {
  background: #d92d20;
}

.muted {
  color: #667085;
}

.small {
  font-size: 13px;
}

.error {
  color: #d92d20;
  margin: 0;
}

.ok {
  color: #039855;
  margin: 0;
}

.dataset-card {
  border: 1px solid #e4e7ec;
  border-radius: 12px;
  padding: 12px;
  background: #fcfcfd;
}

.link-input {
  width: 100%;
}

.hidden {
  display: none;
}

.upload-progress {
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  padding: 10px;
  background: #f8fafc;
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #e4e7ec;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #2e90fa, #1570ef);
  transition: width 250ms ease;
}