/* =========================================================
   AUSVEX — BEAM CALCULATOR V1
   Professional responsive engineering calculator UI
   ========================================================= */

#ausvex-beam-calculator {
  --avx-border: #dfe3e8;
  --avx-text: #17202a;
  --avx-muted: #68727d;
  --avx-bg: #f6f8fa;
  --avx-card: #ffffff;
  --avx-primary: #17365d;
  --avx-primary-hover: #102944;
  --avx-radius: 12px;

  box-sizing: border-box;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  color: var(--avx-text);
  font-family: inherit;
  line-height: 1.5;
}

#ausvex-beam-calculator *,
#ausvex-beam-calculator *::before,
#ausvex-beam-calculator *::after {
  box-sizing: border-box;
}

/* ---------- Header ---------- */

#ausvex-beam-calculator .avx-header {
  margin-bottom: 24px;
}

#ausvex-beam-calculator .avx-eyebrow {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--avx-muted);
}

#ausvex-beam-calculator h2,
#ausvex-beam-calculator h3,
#ausvex-beam-calculator h4 {
  margin-top: 0;
  color: var(--avx-text);
}

#ausvex-beam-calculator h2 {
  margin-bottom: 8px;
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.15;
}

#ausvex-beam-calculator h3 {
  margin-bottom: 20px;
  font-size: 20px;
}

#ausvex-beam-calculator h4 {
  margin-bottom: 14px;
  font-size: 15px;
}

#ausvex-beam-calculator .avx-header p {
  max-width: 760px;
  margin: 0;
  color: var(--avx-muted);
  font-size: 15px;
}

/* ---------- Main Grid ---------- */

#ausvex-beam-calculator .avx-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(420px, 1.35fr);
  gap: 24px;
  align-items: start;
}

#ausvex-beam-calculator .avx-card {
  background: var(--avx-card);
  border: 1px solid var(--avx-border);
  border-radius: var(--avx-radius);
  padding: 26px;
  box-shadow: 0 4px 18px rgba(23, 32, 42, 0.05);
}

/* ---------- Form ---------- */

#ausvex-beam-calculator .avx-field {
  margin-bottom: 16px;
}

#ausvex-beam-calculator .avx-field label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  font-weight: 650;
  color: var(--avx-text);
}

#ausvex-beam-calculator .avx-field label span {
  color: var(--avx-muted);
  font-weight: 500;
}

#ausvex-beam-calculator input,
#ausvex-beam-calculator select {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid #cfd5db;
  border-radius: 8px;
  background: #fff;
  color: var(--avx-text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

#ausvex-beam-calculator input:focus,
#ausvex-beam-calculator select:focus {
  border-color: var(--avx-primary);
  box-shadow: 0 0 0 3px rgba(23, 54, 93, 0.10);
}

#ausvex-beam-calculator input:invalid {
  border-color: #c94c4c;
}

#ausvex-beam-calculator .avx-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

#ausvex-beam-calculator .avx-section-inputs {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--avx-border);
}

/* ---------- Utility ---------- */

#ausvex-beam-calculator .avx-hidden {
  display: none !important;
}

/* ---------- Buttons ---------- */

#ausvex-beam-calculator .avx-actions,
#ausvex-beam-calculator .avx-report-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

#ausvex-beam-calculator .avx-btn {
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.1s ease,
    opacity 0.15s ease;
}

#ausvex-beam-calculator .avx-btn:active {
  transform: translateY(1px);
}

#ausvex-beam-calculator .avx-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

#ausvex-beam-calculator .avx-btn-primary {
  background: var(--avx-primary);
  color: #fff;
}

#ausvex-beam-calculator .avx-btn-primary:hover:not(:disabled) {
  background: var(--avx-primary-hover);
}

#ausvex-beam-calculator .avx-btn-secondary {
  background: #fff;
  border-color: var(--avx-border);
  color: var(--avx-text);
}

#ausvex-beam-calculator .avx-btn-secondary:hover:not(:disabled) {
  background: var(--avx-bg);
}

#ausvex-beam-calculator .avx-btn-outline {
  background: #fff;
  border-color: var(--avx-primary);
  color: var(--avx-primary);
}

#ausvex-beam-calculator .avx-btn-outline:hover:not(:disabled) {
  background: var(--avx-bg);
}

/* ---------- Validation ---------- */

#ausvex-beam-calculator .avx-message {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid #e3b8b8;
  border-radius: 8px;
  background: #fff5f5;
  color: #8d2f2f;
  font-size: 13px;
}

/* ---------- Results ---------- */

#ausvex-beam-calculator .avx-results-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

#ausvex-beam-calculator .avx-results-heading h3 {
  margin-bottom: 0;
}

#ausvex-beam-calculator .avx-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

#ausvex-beam-calculator .avx-status-neutral {
  background: #eef1f4;
  color: #5d6670;
}

#ausvex-beam-calculator .avx-status-pass {
  background: #e8f4ec;
  color: #246b3a;
}

#ausvex-beam-calculator .avx-status-fail {
  background: #fbeaea;
  color: #9a3030;
}

/* ---------- Result Cards ---------- */

#ausvex-beam-calculator .avx-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

#ausvex-beam-calculator .avx-result {
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--avx-border);
  border-radius: 9px;
  background: var(--avx-bg);
}

#ausvex-beam-calculator .avx-result span,
#ausvex-beam-calculator .avx-result small {
  display: block;
  color: var(--avx-muted);
}

#ausvex-beam-calculator .avx-result span {
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
}

#ausvex-beam-calculator .avx-result strong {
  display: inline-block;
  margin-right: 5px;
  font-size: 22px;
  line-height: 1.1;
  color: var(--avx-text);
}

#ausvex-beam-calculator .avx-result small {
  display: inline;
  font-size: 11px;
}

/* ---------- Subsections ---------- */

#ausvex-beam-calculator .avx-subsection {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--avx-border);
}

/* ---------- Properties ---------- */

#ausvex-beam-calculator .avx-property-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

#ausvex-beam-calculator .avx-property-grid > div {
  padding: 13px;
  border: 1px solid var(--avx-border);
  border-radius: 8px;
}

#ausvex-beam-calculator .avx-property-grid span,
#ausvex-beam-calculator .avx-property-grid small {
  display: block;
  color: var(--avx-muted);
  font-size: 11px;
}

#ausvex-beam-calculator .avx-property-grid strong {
  display: inline-block;
  margin: 5px 4px 0 0;
  font-size: 15px;
}

/* ---------- Deflection Check ---------- */

#ausvex-beam-calculator .avx-check-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

#ausvex-beam-calculator .avx-check-row > div {
  padding: 13px;
  border: 1px solid var(--avx-border);
  border-radius: 8px;
}

#ausvex-beam-calculator .avx-check-row span,
#ausvex-beam-calculator .avx-check-row small {
  display: block;
  color: var(--avx-muted);
  font-size: 11px;
}

#ausvex-beam-calculator .avx-check-row strong {
  display: inline-block;
  margin-top: 5px;
  font-size: 15px;
}

/* ---------- Diagram ---------- */

#ausvex-beam-calculator .avx-diagram-wrap {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--avx-border);
  border-radius: 8px;
  background: #fff;
}

#ausvex-beam-calculator #avx-beam-canvas {
  display: block;
  width: 100%;
  height: 300px;
}

/* ---------- Assumptions ---------- */

#ausvex-beam-calculator .avx-assumptions ul {
  margin: 0;
  padding-left: 20px;
}

#ausvex-beam-calculator .avx-assumptions li {
  margin-bottom: 7px;
  color: var(--avx-muted);
  font-size: 12px;
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {

  #ausvex-beam-calculator .avx-grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 700px) {

  #ausvex-beam-calculator .avx-card {
    padding: 18px;
  }

  #ausvex-beam-calculator .avx-result-grid {
    grid-template-columns: 1fr 1fr;
  }

  #ausvex-beam-calculator .avx-check-row {
    grid-template-columns: 1fr;
  }

  #ausvex-beam-calculator .avx-results-heading {
    flex-direction: column;
  }

}

@media (max-width: 480px) {

  #ausvex-beam-calculator .avx-two-col,
  #ausvex-beam-calculator .avx-property-grid,
  #ausvex-beam-calculator .avx-result-grid {
    grid-template-columns: 1fr;
  }

  #ausvex-beam-calculator .avx-card {
    padding: 15px;
  }

  #ausvex-beam-calculator .avx-actions,
  #ausvex-beam-calculator .avx-report-actions {
    flex-direction: column;
  }

  #ausvex-beam-calculator .avx-btn {
    width: 100%;
  }

}