/* DHC Tools — shared styling for all native tool shortcodes (AI tools + calculators) */
.dhc-tool, .dhc-tool *, .dhc-tool *::before, .dhc-tool *::after { box-sizing: border-box; }
.dhc-tool {
  --dark-900: #0d1117; --dark-800: #161b22; --dark-700: #1c2738;
  --accent: #f97316; --accent-dark: #ea6c0a; --accent-light: #fb923c;
  --accent-100: #fff7ed; --accent-50: #fffbf5;
  --white: #ffffff;
  --gray-800: #1f2937; --gray-700: #374151; --gray-600: #4b5563;
  --gray-500: #6b7280; --gray-400: #9ca3af; --gray-200: #e5e7eb;
  --gray-100: #f3f4f6; --gray-50: #f9fafb;
  font-family: 'Nunito', -apple-system, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  max-width: 900px;
  margin: 0 auto;
}
.dhc-t-hero { background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-800) 60%, var(--dark-700) 100%); padding: 52px 24px 48px; text-align: center; position: relative; overflow: hidden; border-radius: 0 0 18px 18px; }
.dhc-t-hero::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 24px 24px; }
.dhc-t-badge { display: inline-block; background: rgba(249,115,22,0.2); color: var(--accent-light); border: 1px solid rgba(249,115,22,0.35); border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 14px; margin-bottom: 16px; position: relative; font-family: 'Barlow Condensed', sans-serif; }
.dhc-t-hero h1 { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(28px,5vw,44px); font-weight: 800; color: var(--white); margin: 0 0 12px; position: relative; }
.dhc-t-hero h1 em { font-style: normal; color: var(--accent-light); }
.dhc-t-hero p { color: rgba(255,255,255,0.72); font-size: 15px; max-width: 560px; margin: 0 auto; position: relative; }
.dhc-t-form-wrap { max-width: 700px; margin: 0 auto; padding: 32px 20px; }
.dhc-t-form-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; box-shadow: 0 4px 24px rgba(13,17,23,0.08); padding: 32px; }
.dhc-t-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media(max-width:540px){ .dhc-t-form-grid { grid-template-columns: 1fr; } }
.dhc-t-form-group { display: flex; flex-direction: column; gap: 6px; }
.dhc-t-form-group.full { grid-column: 1 / -1; }
.dhc-tool label { font-size: 13px; font-weight: 700; color: var(--gray-700); letter-spacing: .01em; }
.dhc-tool select, .dhc-tool input[type=number] { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-200); border-radius: 8px; font-family: 'Nunito', sans-serif; font-size: 14px; color: var(--gray-800); background: var(--white); outline: none; }
.dhc-tool select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.dhc-tool select:focus, .dhc-tool input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(249,115,22,0.15); }
.dhc-t-inline { display: flex; gap: 8px; }
.dhc-t-inline input { flex: 2; } .dhc-t-inline select { flex: 1; }
.dhc-t-submit { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 14px; margin-top: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: var(--white); border: none; border-radius: 10px; font-family: 'Nunito', sans-serif; font-size: 15px; font-weight: 800; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.dhc-t-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(249,115,22,0.4); }
.dhc-t-submit:disabled { opacity: .7; cursor: not-allowed; transform: none; }
.dhc-t-loading { display: none; flex-direction: column; align-items: center; gap: 14px; padding: 40px 20px; }
.dhc-t-loading.active { display: flex; }
.dhc-t-spinner { width: 44px; height: 44px; border: 4px solid var(--accent-100); border-top-color: var(--accent); border-radius: 50%; animation: dhcspin .8s linear infinite; }
.dhc-t-loading p { font-size: 14px; color: var(--gray-500); font-weight: 600; }
.dhc-t-results { max-width: 700px; margin: 0 auto; padding: 0 20px 40px; }
.dhc-t-results .error-msg { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; border-radius: 10px; padding: 14px 18px; font-size: 14px; font-weight: 600; }
.dhc-t-results .cta-banner { background: linear-gradient(135deg, var(--dark-900), var(--dark-700)); border-radius: 14px; padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; flex-wrap: wrap; }
.dhc-t-results .cta-banner-text h3 { color: var(--white); font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.dhc-t-results .cta-banner-text p { color: rgba(255,255,255,.65); font-size: 13px; margin: 0; }
.dhc-t-results .cta-btn { display: inline-block; background: var(--accent); color: var(--white); font-weight: 800; font-size: 13px; padding: 10px 20px; border-radius: 999px; text-decoration: none; white-space: nowrap; transition: transform .2s, box-shadow .2s; }
.dhc-t-results .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(249,115,22,0.4); }
.dhc-t-results .section { margin-bottom: 24px; }
.dhc-t-results .section-title { font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 700; color: var(--dark-900); padding-bottom: 10px; margin-bottom: 14px; border-bottom: 2px solid var(--accent-100); }
.dhc-t-results .equip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px,1fr)); gap: 12px; }
.dhc-t-results .equip-card { background: var(--accent-50); border: 1px solid var(--accent-100); border-radius: 12px; padding: 16px 12px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; font-size: 13px; }
.dhc-t-results .equip-card .icon { font-size: 26px; }
.dhc-t-results .equip-card strong { font-weight: 700; color: var(--dark-900); font-size: 13px; }
.dhc-t-results .equip-card span { color: var(--gray-600); font-size: 12px; }
.dhc-t-results .workout-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media(min-width:560px){ .dhc-t-results .workout-grid { grid-template-columns: 1fr 1fr; } }
.dhc-t-results .workout-card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: 12px; padding: 18px; box-shadow: 0 2px 10px rgba(13,17,23,0.05); }
.dhc-t-results .workout-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.dhc-t-results .exercise-name { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; color: var(--dark-900); font-size: 16px; }
.dhc-t-results .exercise-badge { background: var(--accent-100); color: var(--accent-dark); border-radius: 999px; font-size: 11px; font-weight: 700; padding: 2px 10px; }
.dhc-t-results .exercise-desc { color: var(--gray-600); font-size: 13px; line-height: 1.55; margin: 0 0 8px; }
.dhc-t-results .workout-card a { color: var(--accent-dark); font-weight: 700; font-size: 13px; text-decoration: none; }
.dhc-t-results .tips-list { display: flex; flex-direction: column; gap: 10px; list-style: none; margin: 0; padding: 0; }
.dhc-t-results .tip-item { display: flex; gap: 12px; align-items: flex-start; background: var(--gray-50); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; padding: 12px 14px; }
.dhc-t-results .tip-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.dhc-t-results .tip-item p { font-size: 13px; color: var(--gray-700); line-height: 1.55; margin: 0; }
.dhc-t-results .section p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }
.dhc-t-info { background: var(--gray-50); border-radius: 14px; padding: 24px 20px; text-align: center; margin: 0 20px 20px; }
.dhc-t-disclaimer { font-size: 12px; color: var(--gray-400); max-width: 520px; margin: 0 auto; }
.dhc-disclosure-strip { background: var(--accent-50); border-top: 3px solid var(--accent); border-radius: 0 0 14px 14px; padding: 14px 20px; text-align: center; font-size: 12px; color: var(--gray-600); line-height: 1.6; margin: 0 20px 30px; }
.dhc-disclosure-strip a { color: var(--accent-dark); font-weight: 700; }
.dhc-setup-heading { font-family: 'Barlow Condensed', sans-serif; font-size: 18px; font-weight: 700; color: var(--dark-900); margin: 24px 0 12px; }
.dhc-subtle-cta { text-align: center; padding: 10px; }
.dhc-subtle-cta a { color: var(--accent-dark); font-weight: 700; font-size: 14px; text-decoration: none; }
@keyframes dhcspin { to { transform: rotate(360deg); } }