/* --- CSS Variables (Kadence Theme Inspired) --- */
:root {
  --ssc-primary-color: #4f46e5; /* Indigo */
  --ssc-primary-light: #eef2ff;
  --ssc-text-dark: #1f2937;
  --ssc-text-medium: #4b5563;
  --ssc-text-light: #6b7280;
  --ssc-bg-body: #f9fafb;
  --ssc-bg-card: #ffffff;
  --ssc-border-color: #d1d5db;
  --ssc-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --ssc-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

/* --- Main Container --- */
.ssc-container {
  font-family: var(--ssc-font-family);
  color: var(--ssc-text-medium);
  max-width: 1290px;
  margin: 0 auto;
}

/* --- Header --- */
.ssc-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.ssc-subtitle {
  font-size: 1.125rem;
  color: var(--ssc-text-light);
  max-width: 48rem;
  margin: 0 auto;
}

/* --- Layout --- */
.ssc-main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* --- Card --- */
.ssc-card {
  background-color: var(--ssc-bg-card);
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: var(--ssc-shadow);
  height: 100%;
}
.ssc-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ssc-text-dark);
    margin: 0 0 0.25rem 0;
}
.ssc-card-subtitle {
    font-size: 0.875rem;
    color: var(--ssc-text-light);
    margin: 0 0 1rem 0;
}

/* --- Form Elements --- */
.ssc-form-group {
  margin-bottom: 1.5rem;
}
.ssc-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ssc-text-dark);
  margin-bottom: 0.5rem;
}

/* Segmented Control */
.ssc-segmented-control {
  display: flex;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--ssc-border-color);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}
.ssc-segment-button {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  background-color: var(--ssc-bg-card);
  color: var(--ssc-text-medium);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  position: relative;
}
.ssc-segment-button:not(:last-child) {
    border-right: 1px solid var(--ssc-border-color);
}
.ssc-segment-button:hover {
  background-color: #f3f4f6; /* Gray 100 */
}
.ssc-segment-button.active {
  background-color: var(--ssc-primary-color);
  color: white;
}
.ssc-segment-button:focus-visible {
    outline: 2px solid var(--ssc-primary-color);
    outline-offset: -2px;
    z-index: 10;
}

/* Input Field */
.ssc-input-wrapper {
  position: relative;
}
.ssc-input {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 1rem;
  font-size: 1.125rem;
  border-radius: 0.5rem;
  border: 1px solid var(--ssc-border-color);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
  -moz-appearance: textfield; /* Firefox */
}
.ssc-input::-webkit-outer-spin-button,
.ssc-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.ssc-input:focus {
  outline: none;
  border-color: var(--ssc-primary-color);
  box-shadow: 0 0 0 2px var(--ssc-primary-light);
}
.ssc-input-unit {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ssc-text-light);
}

/* Buttons */
.ssc-reset-button {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  background-color: #f3f4f6;
  color: var(--ssc-text-medium);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s;
}
.ssc-reset-button:hover {
  background-color: #e5e7eb;
}

/* --- How to Measure Section --- */
.ssc-measure-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f9fafb;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}
.ssc-measure-svg {
    width: 100%;
    max-width: 16rem;
}
.ssc-measure-steps {
    list-style: decimal;
    padding-left: 1.25rem;
    margin: 0;
    font-size: 0.875rem;
    color: var(--ssc-text-light);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* --- Results Display --- */
@keyframes ssc-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.ssc-fade-in {
  animation: ssc-fade-in 0.5s ease-in-out;
}
.ssc-results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  min-height: 300px;
}
.ssc-placeholder-icon {
  width: 5rem;
  height: 5rem;
  color: var(--ssc-border-color);
  margin-bottom: 1rem;
}
.ssc-placeholder-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ssc-text-dark);
}
.ssc-placeholder-text {
  color: var(--ssc-text-light);
  margin-top: 0.25rem;
}
.ssc-results-content {
  display: flex;
  flex-direction: column;
}
.ssc-results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.ssc-results-primary {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.ssc-results-size {
  font-size: 4rem;
  font-weight: 800;
  color: var(--ssc-primary-color);
  line-height: 1;
}
.ssc-results-unit {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ssc-text-dark);
}
.ssc-results-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
  border-top: 1px solid #e5e7eb;
  padding-top: 1rem;
  margin-top: 1rem;
}
.ssc-secondary-label {
  font-size: 0.875rem;
  color: var(--ssc-text-light);
  font-weight: 500;
}
.ssc-secondary-size {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ssc-text-dark);
}
.ssc-print-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ssc-primary-color);
    background-color: var(--ssc-primary-light);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.ssc-print-button:hover {
    background-color: #e0e7ff;
}
.ssc-print-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* --- Size Chart Table --- */
.ssc-chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ssc-text-dark);
  margin: 0 0 0.75rem 0;
}
.ssc-chart-container {
  overflow-y: auto;
  max-height: 20rem; /* 320px */
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
}
.ssc-chart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.ssc-chart-table th, .ssc-chart-table td {
  padding: 0.75rem 1rem;
  text-align: left;
}
.ssc-chart-table thead {
  position: sticky;
  top: 0;
  background-color: #f3f4f6;
  z-index: 1;
}
.ssc-chart-table th {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ssc-text-medium);
  text-transform: uppercase;
}
.ssc-chart-table tbody tr {
  border-bottom: 1px solid #f3f4f6;
}
.ssc-chart-table tbody tr:last-child {
  border-bottom: none;
}
.ssc-chart-table tbody tr:hover {
  background-color: #f9fafb;
}
.ssc-chart-table tbody tr.highlighted {
  background-color: var(--ssc-primary-light);
  color: var(--ssc-primary-color);
  font-weight: 700;
}

/* --- Footer --- */
.ssc-footer {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.875rem;
  color: var(--ssc-text-light);
}

/* --- Print Styles --- */
@media print {
  body * {
    visibility: hidden;
  }
  #print-section, #print-section * {
    visibility: visible;
  }
  #print-section {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    box-shadow: none;
    border: none;
  }
  .ssc-print-button, .ssc-chart-container {
    display: none;
  }
  .ssc-card {
    box-shadow: none;
    padding: 0;
  }
}