/* ============================================================
   SolutionMall — Calculator Pages CSS
   Design: Dark blue enterprise, 3-column layout
   ============================================================ */

/* ── Page Layout ── */
.calc-page-wrapper {
  min-height: 100vh;
  background: var(--sm-bg-dark);
  color: var(--sm-text-primary);
}

/* ── Breadcrumb ── */
.breadcrumb {
  background: rgba(13,26,53,0.6);
  border-bottom: 1px solid var(--sm-border);
  padding: 0;
}
.breadcrumb-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sm-text-muted);
}
.breadcrumb-inner a {
  color: var(--sm-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb-inner a:hover { color: var(--sm-blue-400); }
.breadcrumb-inner .current { color: var(--sm-text-primary); }

/* ── Calculator Hero ── */
.calc-hero {
  background: linear-gradient(135deg, #0a1628 0%, #0d1a35 50%, #0a1628 100%);
  border-bottom: 1px solid var(--sm-border);
  padding: 40px 24px 32px;
}
.calc-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.calc-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sm-blue-400);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.calc-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
  line-height: 1.2;
}
.calc-hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.calc-hero-desc {
  font-size: 15px;
  color: var(--sm-text-muted);
  max-width: 680px;
  line-height: 1.6;
  margin: 0;
}
.calc-hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.calc-hero-tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--sm-border);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--sm-text-muted);
}
.calc-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sm-blue-400);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
  margin-top: 16px;
}
.calc-back-link:hover { color: var(--sm-blue-300); }

/* ── Main 3-Column Layout ── */
.calc-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 60px;
  display: grid;
  grid-template-columns: 340px 1fr 300px;
  gap: 24px;
  align-items: start;
}

/* ── Panel Base ── */
.calc-panel-box {
  background: var(--sm-bg-card);
  border: 1px solid var(--sm-border);
  border-radius: 16px;
  overflow: hidden;
}
.calc-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--sm-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.calc-panel-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--sm-text-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.calc-panel-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(37,99,235,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.calc-panel-body {
  padding: 20px;
}

/* ── Input Panel ── */
.calc-input-col .calc-panel-box {
  position: sticky;
  top: calc(var(--sm-header-h) + 16px);
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--sm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  background: var(--sm-bg-surface);
  border: 1px solid var(--sm-border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--sm-text-primary);
  font-size: 14px;
  font-family: var(--sm-font);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--sm-blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-group input::placeholder { color: rgba(143,163,191,0.5); }
.form-group .input-hint {
  font-size: 11px;
  color: rgba(143,163,191,0.6);
  margin-top: 4px;
}
.form-group .input-unit {
  position: relative;
}
.form-group .input-unit input {
  padding-right: 48px;
}
.form-group .input-unit .unit-label {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--sm-text-muted);
  pointer-events: none;
}
.form-divider {
  height: 1px;
  background: var(--sm-border);
  margin: 16px 0;
}
.form-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--sm-blue-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.calc-run-btn {
  width: 100%;
  background: var(--sm-blue-600);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--sm-font);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.calc-run-btn:hover { background: #1d4ed8; }
.calc-run-btn:active { transform: scale(0.98); }
.calc-reset-btn {
  width: 100%;
  background: transparent;
  color: var(--sm-text-muted);
  border: 1px solid var(--sm-border);
  border-radius: 10px;
  padding: 9px 20px;
  font-size: 13px;
  font-family: var(--sm-font);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}
.calc-reset-btn:hover {
  border-color: var(--sm-blue-500);
  color: var(--sm-blue-400);
}

/* ── Results Panel ── */
.calc-result-col {}
.result-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--sm-text-muted);
}
.result-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.4;
}
.result-empty p {
  font-size: 14px;
  line-height: 1.5;
}

/* ── Result Cards ── */
.result-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.result-card {
  background: var(--sm-bg-surface);
  border: 1px solid var(--sm-border);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.2s;
}
.result-card.highlight {
  border-color: var(--sm-blue-500);
  background: rgba(37,99,235,0.08);
}
.result-card.success {
  border-color: #10b981;
  background: rgba(16,185,129,0.08);
}
.result-card.warning {
  border-color: var(--sm-accent);
  background: rgba(245,158,11,0.08);
}
.result-card.danger {
  border-color: #ef4444;
  background: rgba(239,68,68,0.08);
}
.result-card-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--sm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.result-card-value {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.result-card-unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--sm-text-muted);
  margin-top: 2px;
}
.result-card.highlight .result-card-value { color: var(--sm-blue-400); }
.result-card.success .result-card-value { color: #34d399; }
.result-card.warning .result-card-value { color: var(--sm-accent); }
.result-card.danger .result-card-value { color: #f87171; }

/* ── Result Table ── */
.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}
.result-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--sm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--sm-border);
}
.result-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--sm-text-primary);
  vertical-align: middle;
}
.result-table tr:last-child td { border-bottom: none; }
.result-table tr:hover td { background: rgba(255,255,255,0.02); }
.result-table .td-label { color: var(--sm-text-muted); }
.result-table .td-value { font-weight: 600; text-align: right; }
.result-table .td-status { text-align: right; }

/* ── Verdict / Recommendation Banner ── */
.result-verdict {
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.result-verdict.ok {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
}
.result-verdict.warn {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
}
.result-verdict.error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
}
.result-verdict.info {
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(59,130,246,0.3);
}
.result-verdict-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.result-verdict-body {}
.result-verdict-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.result-verdict.ok .result-verdict-title { color: #34d399; }
.result-verdict.warn .result-verdict-title { color: var(--sm-accent); }
.result-verdict.error .result-verdict-title { color: #f87171; }
.result-verdict.info .result-verdict-title { color: var(--sm-blue-400); }
.result-verdict-desc {
  font-size: 12px;
  color: var(--sm-text-muted);
  line-height: 1.5;
}

/* ── Info / Notes Panel ── */
.calc-info-col {}
.info-block {
  background: var(--sm-bg-card);
  border: 1px solid var(--sm-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.info-block-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--sm-blue-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.info-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.info-block ul li {
  font-size: 12px;
  color: var(--sm-text-muted);
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  line-height: 1.5;
  display: flex;
  gap: 8px;
}
.info-block ul li:last-child { border-bottom: none; }
.info-block ul li::before {
  content: '›';
  color: var(--sm-blue-400);
  flex-shrink: 0;
  font-weight: 700;
}
.info-block p {
  font-size: 12px;
  color: var(--sm-text-muted);
  line-height: 1.6;
  margin: 0;
}
.info-badge {
  display: inline-block;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--sm-blue-400);
  margin: 2px;
}
.info-badge.green {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.25);
  color: #34d399;
}
.info-badge.amber {
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.25);
  color: var(--sm-accent);
}
.info-badge.red {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.25);
  color: #f87171;
}

/* ── Advanced Options Accordion ── */
.advanced-toggle {
  width: 100%;
  background: transparent;
  border: 1px solid var(--sm-border);
  border-radius: 8px;
  padding: 9px 14px;
  color: var(--sm-text-muted);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--sm-font);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s;
  margin-bottom: 12px;
  text-align: left;
}
.advanced-toggle:hover {
  border-color: var(--sm-blue-500);
  color: var(--sm-blue-400);
}
.advanced-toggle .adv-arrow {
  transition: transform 0.2s;
  font-size: 10px;
}
.advanced-toggle.open .adv-arrow { transform: rotate(180deg); }
.advanced-body {
  display: none;
  animation: fadeIn 0.2s ease;
}
.advanced-body.open { display: block; }

/* ── Related Calculators ── */
.related-calcs {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 60px;
}
.related-calcs h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--sm-text-primary);
  margin-bottom: 16px;
}
.related-calc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.related-calc-card {
  background: var(--sm-bg-card);
  border: 1px solid var(--sm-border);
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 12px;
}
.related-calc-card:hover {
  border-color: var(--sm-blue-500);
  background: rgba(37,99,235,0.06);
  transform: translateY(-2px);
}
.related-calc-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(37,99,235,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.related-calc-text {}
.related-calc-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--sm-text-primary);
  margin-bottom: 2px;
}
.related-calc-desc {
  font-size: 11px;
  color: var(--sm-text-muted);
}

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.result-animate {
  animation: fadeIn 0.3s ease;
}

/* ── Status Badge ── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
}
.status-badge.ok { background: rgba(16,185,129,0.15); color: #34d399; }
.status-badge.warn { background: rgba(245,158,11,0.15); color: var(--sm-accent); }
.status-badge.error { background: rgba(239,68,68,0.15); color: #f87171; }
.status-badge.info { background: rgba(59,130,246,0.15); color: var(--sm-blue-400); }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .calc-main {
    grid-template-columns: 300px 1fr;
  }
  .calc-info-col {
    display: none;
  }
}
@media (max-width: 768px) {
  .calc-main {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .calc-input-col .calc-panel-box {
    position: static;
  }
  .result-cards {
    grid-template-columns: 1fr 1fr;
  }
  .related-calc-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .result-cards {
    grid-template-columns: 1fr;
  }
}