.tuec-calculator-root {
  width: 100%;
  margin: 18px 0;
}

.tuec-widget {
  --tuec-bg: #f8fafc;
  --tuec-panel: #ffffff;
  --tuec-soft: #f1f5f9;
  --tuec-text: #1f2937;
  --tuec-muted: #64748b;
  --tuec-line: #dbe3ec;
  --tuec-accent: #4f46e5;
  --tuec-accent-dark: #3730a3;
  --tuec-accent-soft: #eef2ff;
  --tuec-green: #0f766e;
  max-width: 760px;
  color: var(--tuec-text);
  background: var(--tuec-panel);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.10);
  border: 1px solid var(--tuec-line);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

.tuec-widget * {
  box-sizing: border-box;
}

.tuec-hero {
  padding: 18px 20px;
  background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 58%, #ecfeff 100%);
  border-bottom: 1px solid var(--tuec-line);
}

.tuec-title {
  margin: 0;
  color: var(--tuec-text);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.tuec-intro {
  max-width: 640px;
  margin: 7px 0 0;
  color: var(--tuec-muted);
  font-size: 13px;
  line-height: 1.45;
}

.tuec-form {
  display: grid;
  gap: 14px;
  padding: 18px 20px 16px;
  background: var(--tuec-panel);
}

.tuec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tuec-field {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.tuec-field-wide {
  grid-column: 1 / -1;
}

.tuec-field label {
  color: var(--tuec-text);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.25;
}

.tuec-field input,
.tuec-field select {
  width: 100%;
  min-height: 38px;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  background: #ffffff;
  color: var(--tuec-text);
  font: inherit;
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.tuec-input-wrap {
  position: relative;
}

.tuec-input-wrap input {
  padding-right: 64px;
}

.tuec-input-wrap span {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  color: var(--tuec-muted);
  font-size: 12px;
  font-weight: 750;
  pointer-events: none;
}

.tuec-field input:focus,
.tuec-field select:focus {
  border-color: var(--tuec-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
  background: #ffffff;
}

.tuec-field small {
  color: var(--tuec-muted);
  font-size: 11px;
  line-height: 1.35;
}

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

.tuec-button {
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 13px;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.tuec-button:hover {
  transform: translateY(-1px);
}

.tuec-button-primary {
  background: var(--tuec-accent);
  color: #ffffff;
  box-shadow: 0 8px 16px rgba(79, 70, 229, 0.18);
}

.tuec-button-primary:hover {
  background: var(--tuec-accent-dark);
}

.tuec-button-secondary {
  background: #ffffff;
  border-color: #cbd5e1;
  color: var(--tuec-text);
}

.tuec-output {
  padding: 0 20px 20px;
  background: var(--tuec-panel);
}

.tuec-result-card {
  display: grid;
  gap: 7px;
  padding: 16px;
  border-radius: 12px;
  background: var(--tuec-accent-soft);
  border: 1px solid #c7d2fe;
}

.tuec-result-label {
  color: var(--tuec-accent-dark);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tuec-result-days {
  color: var(--tuec-text);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.tuec-result-weeks {
  color: var(--tuec-muted);
  font-size: 13px;
  line-height: 1.35;
}

.tuec-meter {
  height: 8px;
  border-radius: 999px;
  background: #dbe4ff;
  overflow: hidden;
}

.tuec-meter-bar {
  height: 100%;
  width: 50%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--tuec-green) 0%, var(--tuec-accent) 65%, var(--tuec-accent-dark) 100%);
  transition: width 170ms ease;
}

@media (max-width: 620px) {
  .tuec-widget {
    max-width: 100%;
  }

  .tuec-hero,
  .tuec-form,
  .tuec-output {
    padding-left: 16px;
    padding-right: 16px;
  }

  .tuec-grid {
    grid-template-columns: 1fr;
  }

  .tuec-actions {
    display: grid;
  }

  .tuec-button {
    width: 100%;
  }
}