/* ============================================================================
   Heavy Haul Permit Calculator — Public Stylesheet
   ============================================================================ */

/* ── CSS Custom Properties ─────────────────────────────────────────────────── */
:root {
  --hhc-primary:      #1a3a5c;
  --hhc-primary-dk:   #122940;
  --hhc-primary-lt:   #e8f0f8;
  --hhc-accent:       #e85d04;
  --hhc-accent-dk:    #c44d00;
  --hhc-success:      #198754;
  --hhc-success-lt:   #d1e7dd;
  --hhc-warning:      #cc8a00;
  --hhc-warning-lt:   #fff3cd;
  --hhc-error:        #c0392b;
  --hhc-error-lt:     #f8d7da;
  --hhc-border:       #dee2e6;
  --hhc-bg:           #f8f9fa;
  --hhc-white:        #ffffff;
  --hhc-text:         #212529;
  --hhc-muted:        #6c757d;
  --hhc-radius:       8px;
  --hhc-radius-lg:    12px;
  --hhc-shadow:       0 2px 8px rgba(0,0,0,.08);
  --hhc-shadow-md:    0 4px 20px rgba(0,0,0,.12);
  --hhc-font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  --hhc-transition:   all .2s ease;
}

/* ── Wrapper ────────────────────────────────────────────────────────────────── */
.hhc-wrapper {
  font-family: var(--hhc-font);
  color: var(--hhc-text);
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

/* ── Page Header ─────────────────────────────────────────────────────────────── */
.hhc-page-header {
  display: flex;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, var(--hhc-primary) 0%, #2a5298 100%);
  color: #fff;
  border-radius: var(--hhc-radius-lg);
  padding: 28px 32px;
  margin-bottom: 28px;
}
.hhc-page-header-icon { font-size: 48px; line-height: 1; flex-shrink: 0; }
.hhc-page-title  { margin: 0 0 6px; font-size: 1.75rem; font-weight: 700; }
.hhc-page-subtitle { margin: 0; font-size: .95rem; opacity: .85; }

/* ── Alerts ─────────────────────────────────────────────────────────────────── */
.hhc-alert {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--hhc-radius);
  margin-bottom: 20px;
  font-size: .9rem;
}
.hhc-alert ul { margin: 6px 0 0 16px; padding: 0; }
.hhc-alert-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.hhc-alert-success { background: var(--hhc-success-lt); border-left: 4px solid var(--hhc-success); color: #0f5132; }
.hhc-alert-error   { background: var(--hhc-error-lt);   border-left: 4px solid var(--hhc-error);   color: #842029; }
.hhc-alert-warning { background: var(--hhc-warning-lt); border-left: 4px solid var(--hhc-warning); color: #664d03; }
.hhc-alert p { margin: 4px 0 0; }

/* ── Cards ──────────────────────────────────────────────────────────────────── */
.hhc-card {
  background: var(--hhc-white);
  border: 1px solid var(--hhc-border);
  border-radius: var(--hhc-radius-lg);
  box-shadow: var(--hhc-shadow);
  margin-bottom: 24px;
  overflow: hidden;
}
.hhc-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--hhc-primary-lt);
  border-bottom: 1px solid var(--hhc-border);
  padding: 16px 24px;
}
.hhc-card-header h2 { margin: 0; font-size: 1.05rem; font-weight: 600; color: var(--hhc-primary); }
.hhc-card-body { padding: 24px; }

.hhc-step-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--hhc-primary);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}

/* ── Grid layouts ───────────────────────────────────────────────────────────── */
.hhc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.hhc-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.hhc-grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 20px; }

@media (max-width: 768px) {
  .hhc-grid-2 { grid-template-columns: 1fr; }
  .hhc-grid-3 { grid-template-columns: 1fr; }
  .hhc-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hhc-grid-4 { grid-template-columns: 1fr; }
}

/* ── Form fields ────────────────────────────────────────────────────────────── */
.hhc-field { display: flex; flex-direction: column; gap: 6px; }
.hhc-label { font-size: .875rem; font-weight: 600; color: var(--hhc-primary); }
.hhc-required { color: var(--hhc-error); margin-left: 2px; }
.hhc-field-hint { font-size: .78rem; color: var(--hhc-muted); line-height: 1.4; }

.hhc-input,
.hhc-select,
.hhc-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--hhc-border);
  border-radius: var(--hhc-radius);
  font-size: .95rem;
  font-family: var(--hhc-font);
  color: var(--hhc-text);
  background: var(--hhc-white);
  transition: var(--hhc-transition);
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}
.hhc-input:focus,
.hhc-select:focus,
.hhc-textarea:focus {
  outline: none;
  border-color: var(--hhc-primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,.15);
}
.hhc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.hhc-select[multiple] {
  background-image: none;
  padding-right: 14px;
  height: auto;
}
.hhc-textarea { resize: vertical; min-height: 80px; }

.hhc-input-wrap { position: relative; }
.hhc-input-wrap .hhc-input { padding-right: 46px; }
.hhc-input-unit {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .8rem;
  color: var(--hhc-muted);
  font-weight: 600;
  pointer-events: none;
}

/* ── Legal limits banner ─────────────────────────────────────────────────────── */
.hhc-legal-limits {
  background: var(--hhc-primary-lt);
  border: 1px solid #c3d6ec;
  border-radius: var(--hhc-radius);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: .875rem;
}
.hhc-legal-limits strong { display: block; margin-bottom: 10px; color: var(--hhc-primary); }
.hhc-limits-grid { display: flex; gap: 24px; flex-wrap: wrap; }
.hhc-limit-item { display: flex; flex-direction: column; }
.hhc-limit-label { font-size: .75rem; color: var(--hhc-muted); text-transform: uppercase; letter-spacing: .05em; }
.hhc-limit-value { font-weight: 700; font-size: 1rem; color: var(--hhc-primary); }

/* ── Dimension flags ─────────────────────────────────────────────────────────── */
.hhc-dim-flags {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--hhc-warning-lt);
  border: 1px solid #ffc107;
  border-radius: var(--hhc-radius);
  font-size: .875rem;
  color: #664d03;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.hhc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--hhc-radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--hhc-font);
  cursor: pointer;
  text-decoration: none;
  transition: var(--hhc-transition);
  line-height: 1.4;
}
.hhc-btn-lg { padding: 14px 36px; font-size: 1.05rem; }
.hhc-btn-icon { font-size: 1.1em; }

.hhc-btn-primary {
  background: var(--hhc-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26,58,92,.3);
}
.hhc-btn-primary:hover { background: var(--hhc-primary-dk); box-shadow: 0 6px 16px rgba(26,58,92,.4); transform: translateY(-1px); }

.hhc-btn-accent {
  background: var(--hhc-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232,93,4,.35);
}
.hhc-btn-accent:hover { background: var(--hhc-accent-dk); box-shadow: 0 6px 16px rgba(232,93,4,.45); transform: translateY(-1px); }

/* ── Submit rows ─────────────────────────────────────────────────────────────── */
.hhc-submit-row {
  text-align: center;
  padding: 10px 0 4px;
}
.hhc-submit-note { margin: 10px 0 0; font-size: .8rem; color: var(--hhc-muted); }

/* ── Results section ─────────────────────────────────────────────────────────── */
.hhc-results {
  margin-top: 32px;
  animation: hhcFadeIn .4s ease;
}
@keyframes hhcFadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.hhc-results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(135deg, var(--hhc-primary) 0%, #2a5298 100%);
  color: #fff;
  border-radius: var(--hhc-radius-lg) var(--hhc-radius-lg) 0 0;
  padding: 24px 30px;
}
.hhc-results-title  { margin: 0 0 4px; font-size: 1.4rem; font-weight: 700; }
.hhc-results-subtitle { margin: 0; font-size: .88rem; opacity: .8; }

.hhc-grand-total-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  background: rgba(255,255,255,.15);
  border-radius: var(--hhc-radius);
  padding: 12px 20px;
  backdrop-filter: blur(4px);
}
.hhc-grand-total-label  { font-size: .78rem; opacity: .85; text-transform: uppercase; letter-spacing: .08em; }
.hhc-grand-total-amount { font-size: 1.8rem; font-weight: 800; letter-spacing: -.02em; }

/* ── Flags row ───────────────────────────────────────────────────────────────── */
.hhc-flags-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid var(--hhc-border);
}
.hhc-flag {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .875rem;
  font-weight: 500;
}
.hhc-flag-ok   { background: var(--hhc-success-lt); color: #0f5132; }
.hhc-flag-warn { background: var(--hhc-warning-lt); color: #664d03; border: 1px solid #ffc107; }

/* ── Summary strip ───────────────────────────────────────────────────────────── */
.hhc-summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: var(--hhc-primary-lt);
  border-bottom: 1px solid var(--hhc-border);
}
.hhc-summary-item {
  display: flex;
  flex-direction: column;
  padding: 14px 22px;
  border-right: 1px solid var(--hhc-border);
  flex: 1;
  min-width: 120px;
}
.hhc-summary-item:last-child { border-right: none; }
.hhc-summary-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--hhc-muted); margin-bottom: 3px; }
.hhc-summary-value { font-weight: 600; font-size: .95rem; color: var(--hhc-primary); }

/* ── Breakdown section ───────────────────────────────────────────────────────── */
.hhc-breakdown-wrap,
.hhc-cost-summary {
  background: var(--hhc-white);
  padding: 24px 28px;
  border-bottom: 1px solid var(--hhc-border);
}
.hhc-section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--hhc-primary);
  margin: 0 0 18px;
}
.hhc-section-icon { font-size: 1.1em; }

/* ── Data table ─────────────────────────────────────────────────────────────── */
.hhc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.hhc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
  min-width: 680px;
}
.hhc-table thead tr { background: var(--hhc-primary); color: #fff; }
.hhc-table th {
  padding: 11px 14px;
  text-align: left;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  white-space: nowrap;
}
.hhc-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hhc-border);
  vertical-align: middle;
}
.hhc-table tbody tr:hover { background: var(--hhc-primary-lt); }
.hhc-table tbody tr:last-child td { border-bottom: none; }
.hhc-col-total { font-weight: 700; color: var(--hhc-primary); }

.hhc-state-code {
  display: inline-block;
  background: var(--hhc-primary);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 700;
  margin-right: 6px;
}
.hhc-state-name { font-size: .88rem; }

/* ── Badges ─────────────────────────────────────────────────────────────────── */
.hhc-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  white-space: nowrap;
}
.hhc-badge-ok   { background: var(--hhc-success-lt); color: #0f5132; }
.hhc-badge-warn { background: var(--hhc-warning-lt); color: #664d03; border: 1px solid #ffc107; }

/* ── Cost summary ────────────────────────────────────────────────────────────── */
.hhc-cost-rows { max-width: 480px; }
.hhc-cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--hhc-border);
  font-size: .9rem;
}
.hhc-cost-row-total {
  background: var(--hhc-primary);
  color: #fff;
  padding: 14px 18px;
  border-radius: var(--hhc-radius);
  margin-top: 8px;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
}
.hhc-disclaimer {
  margin-top: 14px;
  font-size: .78rem;
  color: var(--hhc-muted);
  line-height: 1.5;
}

/* ── Quote request section ───────────────────────────────────────────────────── */
.hhc-quote-section {
  background: #fff8f5;
  border-top: 3px solid var(--hhc-accent);
  border-radius: 0 0 var(--hhc-radius-lg) var(--hhc-radius-lg);
  padding: 28px;
}
.hhc-quote-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}
.hhc-quote-icon { font-size: 36px; flex-shrink: 0; }
.hhc-quote-header h3 { margin: 0 0 6px; font-size: 1.15rem; font-weight: 700; color: var(--hhc-primary); }
.hhc-quote-header p  { margin: 0; font-size: .88rem; color: var(--hhc-muted); }
.hhc-quote-submit-row { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-top: 22px; }

/* ── Responsive adjustments ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hhc-page-header { flex-direction: column; text-align: center; }
  .hhc-page-header-icon { font-size: 36px; }
  .hhc-page-title  { font-size: 1.35rem; }
  .hhc-results-header { flex-direction: column; }
  .hhc-grand-total-badge { align-items: flex-start; }
  .hhc-summary-item { min-width: 50%; }
  .hhc-card-body { padding: 16px; }
  .hhc-breakdown-wrap, .hhc-cost-summary, .hhc-quote-section { padding: 18px 16px; }
}