/* 
  MAF Calculator Stylesheet 
  Designed for embedding in Kadence WordPress Theme
*/

/* --- VARIABLES --- */
:root {
  /* Colors - easily customizable to match theme */
  --mcc-primary-color: #0073e6;
  --mcc-primary-color-hover: #005bbd;
  --mcc-primary-text-color: #ffffff;
  --mcc-secondary-btn-bg: #e2e8f0;
  --mcc-secondary-btn-bg-hover: #cbd5e1;
  --mcc-secondary-btn-text: #1e293b;
  --mcc-card-bg-color: #ffffff;
  --mcc-card-border-color: #e2e8f0;
  --mcc-result-card-bg-start: #0062c4;
  --mcc-result-card-bg-end: #004c99;
  --mcc-result-text-color: #ffffff;
  --mcc-result-subtle-text: #cce4ff;
  --mcc-text-color: #334155;
  --mcc-label-color: #1e293b;
  --mcc-subtle-text-color: #64748b;
  --mcc-input-bg-color: #f1f5f9;
  --mcc-input-border-color: #cbd5e1;
  --mcc-selected-border-color: var(--mcc-primary-color);
  --mcc-selected-bg-color: #eff6ff;

  /* Fonts */
  --mcc-font-family: inherit; /* Inherits from WordPress theme */
  --mcc-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Sizing & Spacing */
  --mcc-border-radius: 0.75rem; /* 12px */
  --mcc-card-padding: 2rem; /* 32px */
  --mcc-box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
}

/* --- BASE & LAYOUT --- */
.mcc-maf-calculator-container {
  font-family: var(--mcc-font-family);
  color: var(--mcc-text-color);
  max-width: 1290px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .mcc-maf-calculator-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mcc-card {
  background-color: var(--mcc-card-bg-color);
  border-radius: var(--mcc-border-radius);
  border: 1px solid var(--mcc-card-border-color);
  box-shadow: var(--mcc-box-shadow);
  padding: var(--mcc-card-padding);
  height: 100%;
}

/* --- TYPOGRAPHY --- */
.mcc-h2 {
  font-size: 1.75rem; /* 28px */
  font-weight: 700;
  color: var(--mcc-label-color);
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.mcc-h3 {
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  color: var(--mcc-label-color);
  margin-top: 0;
  margin-bottom: 1rem;
}

.mcc-result-card .mcc-h2,
.mcc-result-card .mcc-h3 {
  color: var(--mcc-result-text-color);
}
.mcc-text-center {
  text-align: center;
}

/* --- FORM ELEMENTS --- */
.mcc-form-group {
  margin-bottom: 2rem;
}

.mcc-label {
  display: block;
  font-size: 1.125rem; /* 18px */
  font-weight: 600;
  color: var(--mcc-label-color);
  margin-bottom: 0.5rem;
}

.mcc-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--mcc-input-bg-color);
  border: 1px solid var(--mcc-input-border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  color: var(--mcc-text-color);
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.mcc-input:focus {
  outline: none;
  border-color: var(--mcc-primary-color);
  box-shadow: 0 0 0 2px rgba(0, 115, 230, 0.2);
}

.mcc-age-note {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--mcc-subtle-text-color);
  min-height: 20px;
}

/* Modification Options */
.mcc-options-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mcc-option {
  position: relative;
  padding: 1rem;
  border: 2px solid var(--mcc-input-border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.mcc-option:hover {
  border-color: #94a3b8;
}
.mcc-option.mcc-selected {
  border-color: var(--mcc-selected-border-color);
  background-color: var(--mcc-selected-bg-color);
  box-shadow: 0 0 0 2px var(--mcc-selected-border-color);
}
.mcc-option-check-icon {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
    background-color: var(--mcc-primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s, transform 0.2s;
}
.mcc-selected .mcc-option-check-icon {
    opacity: 1;
    transform: scale(1);
}
.mcc-option-check-icon svg {
    width: 0.75rem;
    height: 0.75rem;
}
.mcc-option-label {
  font-weight: 700;
  color: var(--mcc-label-color);
}
.mcc-option-description {
  font-size: 0.875rem;
  color: var(--mcc-subtle-text-color);
  margin-top: 0.25rem;
}

/* --- RESULT DISPLAY --- */
.mcc-result-card {
  background: linear-gradient(45deg, var(--mcc-result-card-bg-start), var(--mcc-result-card-bg-end));
  color: var(--mcc-result-text-color);
}

.mcc-results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 2rem;
  min-height: 400px;
}
.mcc-placeholder-icon {
  width: 4rem;
  height: 4rem;
  color: var(--mcc-result-subtle-text);
  margin-bottom: 1rem;
}
.mcc-placeholder-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
}
.mcc-placeholder-subtitle {
  color: var(--mcc-result-subtle-text);
  margin: 0.25rem 0 0;
}

.mcc-result-summary {
  text-align: center;
  margin-bottom: 2rem;
}
.mcc-result-label {
  font-size: 1.25rem;
  color: var(--mcc-result-subtle-text);
  margin:0;
}
.mcc-result-value {
  font-size: 4.5rem; /* 72px */
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0.5rem 0;
}
.mcc-result-unit {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--mcc-result-subtle-text);
  margin:0;
}

.mcc-zone-box {
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.mcc-zone-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}
.mcc-zone-value {
  font-size: 2.25rem;
  font-weight: 700;
  margin: 0;
}
.mcc-zone-label {
  color: var(--mcc-result-subtle-text);
  margin: 0;
}
.mcc-zone-separator {
  font-size: 2rem;
  font-weight: 200;
  color: var(--mcc-result-subtle-text);
}
.mcc-zone-description {
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 0.75rem;
  padding: 0 0.5rem;
}

.mcc-breakdown-section, .mcc-overview-section, .mcc-next-steps-section {
  margin-bottom: 2rem;
}
.mcc-breakdown-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}
.mcc-breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 0.5rem;
  border-radius: 0.375rem;
}
.mcc-breakdown-item.mcc-total {
  background-color: rgba(0, 0, 0, 0.2);
  font-weight: 700;
}
.mcc-breakdown-value {
  font-family: var(--mcc-font-mono);
  font-weight: 700;
}

.mcc-overview-bar {
  display: flex;
  width: 100%;
  height: 2.5rem;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}
.mcc-bar-segment {
  display: flex;
  align-items: center;
  justify-content: center;
}
.mcc-bg-warmup { width: 25%; background-color: #bae6fd; color: #334155; }
.mcc-bg-maf { width: 35%; background-color: #3b82f6; color: white; box-shadow: inset 0 0 0 2px rgba(255,255,255,0.5); z-index: 10; }
.mcc-bg-anaerobic { width: 20%; background-color: #fcd34d; color: #334155; }
.mcc-bg-max { width: 20%; background-color: #f87171; color: #334155; }
.mcc-bar-label { display: none; }
@media(min-width: 640px) {
  .mcc-bar-label { display: inline; }
}

.mcc-next-steps-list {
  list-style-position: inside;
  list-style-type: disc;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 1rem;
  border-radius: 0.375rem;
  margin: 0;
}
.mcc-next-steps-list li {
  margin-bottom: 0.5rem;
}
.mcc-next-steps-list li:last-child {
  margin-bottom: 0;
}

/* --- BUTTONS --- */
.mcc-button-group {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
@media(min-width: 640px) {
  .mcc-button-group {
    flex-direction: row;
  }
}

.mcc-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.mcc-btn-primary {
  background-color: var(--mcc-primary-text-color);
  color: var(--mcc-primary-color);
}
.mcc-btn-primary:hover {
  background-color: #eef2ff;
}
.mcc-btn-secondary {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--mcc-primary-text-color);
}
.mcc-btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* --- UTILITIES --- */
.mcc-hidden {
  display: none !important;
}

@keyframes mcc-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mcc-fade-in {
  animation: mcc-fadeIn 0.5s ease-out forwards;
}

/* --- PRINT STYLES --- */
@media print {
  body {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .mcc-calculator-form-container,
  .mcc-button-group {
    display: none !important;
  }
  .mcc-maf-calculator-container {
    display: block;
    max-width: 100%;
    margin: 0;
    padding: 0;
  }
  .mcc-calculator-result-container {
    width: 100%;
  }
  .mcc-card {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
}