/* TecnoShaft CSS - MSG Design System */
/* === FORM === */
#tc-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; max-width: 900px; margin: 0 auto; }
#tc-form .form-group { display: flex; flex-direction: column; }
#tc-form label { font-size: 12px; font-weight: 600; color: #1e293b; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.3px; }
#tc-form input, #tc-form select { padding: 6px 10px; border: 1px solid #cbd5e1; border-radius: 4px; font-size: 14px; font-family: Roboto, sans-serif; background: #fff; }
#tc-form input:focus, #tc-form select:focus { outline: none; border-color: #3B82F6; box-shadow: 0 0 0 2px rgba(59,130,246,0.15); }
.form-section-title { grid-column: 1 / -1; font-size: 13px; font-weight: 700; color: var(--primary, #062F87); margin: 8px 0 4px; padding-bottom: 4px; border-bottom: 1px solid #e2e8f0; text-transform: uppercase; letter-spacing: 0.5px; }
/* unit toggle bar */
.shaft-unit-bar { grid-column: 1 / -1; display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--bg-grey, #f1f5f9); border-radius: 6px; margin-bottom: 4px; }
.unit-group-label { font-size: 11px; font-weight: 600; color: var(--text-muted, #64748b); text-transform: uppercase; letter-spacing: 0.3px; }
.unit-btn { padding: 4px 14px; border: 1px solid var(--border, #cbd5e1); border-radius: 4px; background: #fff; font-size: 12px; font-weight: 600; cursor: pointer; font-family: Fira Sans, sans-serif; color: var(--text, #1e293b); transition: all 0.2s; }
.unit-btn.active { background: var(--primary, #062F87); color: #fff; border-color: var(--primary, #062F87); }
.unit-btn:hover:not(.active) { background: var(--bg-grey-alt, #e2e8f0); }
/* loads */
#tc-loads { grid-column: 1 / -1; }
.load-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; padding: 6px 10px; background: #f8fafc; border-radius: 4px; border: 1px solid #e2e8f0; }
.load-row label { font-size: 12px; display: flex; align-items: center; gap: 4px; }
.load-row input { width: 80px; padding: 4px 6px; }
.load-num { font-weight: 700; color: var(--primary, #062F87); min-width: 20px; }
.btn-remove { background: none; border: 1px solid #e2e8f0; color: #dc2626; cursor: pointer; font-size: 16px; padding: 2px 8px; border-radius: 3px; line-height: 1; }
.btn-remove:hover { background: #fee2e2; }
/* examples */
.tc-examples { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
/* === RESULTS === */
.kpi-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; margin: 16px 0; }
.kpi-item { background: linear-gradient(135deg, var(--primary-dark, #001a4d), var(--primary, #062F87)); border-radius: 8px; padding: 12px; text-align: center; color: white; border-bottom: 3px solid var(--accent, #3B82F6); }
.kpi-val { display: block; font-size: 20px; font-weight: 700; font-family: Oswald, sans-serif; color: #fff; }
.kpi-lbl { display: block; font-size: 10px; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.3px; margin-top: 4px; color: #fff; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; margin-bottom: 12px; }
.res-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 10px 12px; }
.res-label { font-size: 10px; color: #64748b; text-transform: uppercase; letter-spacing: 0.3px; font-weight: 600; }
.res-val { font-size: 16px; font-weight: 700; color: #1e293b; font-family: Oswald, sans-serif; margin-top: 2px; }
.section-title { font-size: 12px; font-weight: 700; color: var(--primary, #062F87); margin: 12px 0 6px; padding-bottom: 3px; border-bottom: 1px solid #e2e8f0; text-transform: uppercase; letter-spacing: 0.4px; }
/* alerts */
.tc-alerts { margin: 12px 0; display: flex; flex-direction: column; gap: 6px; }
.alert-card { padding: 10px 14px; border-radius: 6px; font-size: 13px; font-family: Roboto, sans-serif; }
.alert-danger { background: #fef2f2; border: 1px solid #fca5a5; color: #991b1b; }
.alert-warning { background: #fffbeb; border: 1px solid #fcd34d; color: #92400e; }
.alert-info { background: #eff6ff; border: 1px solid #93c5fd; color: #1e40af; }
.alert-ok { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }
/* derivation */
#tc-derivation { margin: 10px 0; }
#tc-derivation details { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 10px 14px; }
#tc-derivation summary { font-weight: 600; color: var(--primary, #062F87); cursor: pointer; font-size: 13px; }
.derivation-content { margin-top: 8px; }
.deriv-step { padding: 3px 0; font-size: 12px; color: #334155; font-family: 'Fira Code', 'Cascadia Code', monospace; line-height: 1.6; }
/* SVG container */
#tc-svg { background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 8px; margin: 10px 0; min-height: 120px; text-align: center; }
/* actions */
.tc-actions { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; grid-column: 1 / -1; }
.btn { padding: 8px 18px; border: none; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; font-family: Fira Sans, sans-serif; }
.btn-primary { background: var(--primary, #062F87); color: white; }
.btn-primary:hover { background: var(--primary-dark, #001a4d); }
.btn-outline { background: transparent; border: 1px solid var(--primary, #062F87); color: var(--primary, #062F87); }
.btn-outline:hover { background: var(--primary, #062F87); color: white; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.tc-history { margin: 16px 0; }
/* === RESPONSIVE === */
@media (max-width: 768px) {
  #tc-form { grid-template-columns: 1fr; }
  .kpi-bar { grid-template-columns: repeat(3, 1fr); }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
  .load-row { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .kpi-bar { grid-template-columns: repeat(2, 1fr); }
  .result-grid { grid-template-columns: 1fr; }
}
/* lead fields */
.lead-fields input:focus { outline: none; border-color: #3B82F6 !important; box-shadow: 0 0 0 2px rgba(59,130,246,0.15); }
.lead-fields input::placeholder { color: #94a3b8; font-size: 11px; }
.lead-info { background: #f0fdf4; border: 1px solid #86efac; border-radius: 6px; padding: 10px 14px; margin-bottom: 12px; }
.lead-info table { width: 100%; border-collapse: collapse; font-size: 11px; }
.lead-info td { padding: 2px 8px; }
.lead-info td:first-child { font-weight: 600; color: #64748b; text-align: right; width: 100px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-right: 8px; }
.badge-ok { background: #dcfce7; color: #166534; }
.badge-fail { background: #fef2f2; color: #991b1b; border: 1px solid #fca5a5; }