/* =========================================================
   KsoolCalc — Mobile-first + Desktop-enhanced
   시인성(WCAG) · 터치 44px · 8px 리듬
   Breakpoints: mobile <768 | tablet 768–1023 | desktop ≥1024
   ========================================================= */

:root {
  /* High-contrast light (ops / manufacturing tool) */
  --bg: #f1f5f9;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f8fafc;
  --bg-muted: #e2e8f0;
  --border: #cbd5e1;
  --border-strong: #94a3b8;
  --border-focus: #b45309;
  --text: #0f172a;
  --text-muted: #334155;
  --text-dim: #475569;
  --accent: #b45309;
  --accent-soft: #fff7ed;
  --accent-hover: #9a3412;
  --accent-on: #ffffff;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --ok-border: #86efac;
  --fail: #b91c1c;
  --fail-bg: #fee2e2;
  --fail-border: #fca5a5;
  --info: #0369a1;
  --info-bg: #e0f2fe;
  --info-border: #7dd3fc;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --font: "Noto Sans KR", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1240px;
  --header-h: auto;
  --bottom-nav-h: 64px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --touch: 44px;
  --focus-ring: 0 0 0 3px rgba(180, 83, 9, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  overflow-x: hidden;
  /* space for mobile bottom nav */
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-b) + 12px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Decorative orbs — subtle on light */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.orb-1 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, #fdba74 0%, transparent 70%);
  top: -60px;
  right: -40px;
}
.orb-2 {
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, #bae6fd 0%, transparent 70%);
  bottom: 20%;
  left: -80px;
}

.site-header,
.layout,
.site-footer,
.mobile-bottom-nav {
  position: relative;
  z-index: 1;
}

/* ========== HEADER (mobile base) ========== */
.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: linear-gradient(180deg, #ffffff 0%, rgba(241, 245, 249, 0.92) 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  display: block;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  background: linear-gradient(145deg, #d97706, #b45309);
}

.brand h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.tagline {
  margin: 2px 0 0;
  color: var(--text-dim);
  font-size: 0.78rem;
  line-height: 1.35;
}

.header-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.header-meta {
  display: none; /* mobile: hide badges for clarity */
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid #fdba74;
}

.badge.muted {
  background: var(--bg-muted);
  color: var(--text-dim);
  border-color: var(--border);
}

/* Desktop top nav — hidden on mobile (bottom nav used) */
.top-nav {
  display: none;
}

/* ========== MOBILE BOTTOM NAV ========== */
.mobile-bottom-nav {
  display: flex;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  height: calc(var(--bottom-nav-h) + var(--safe-b));
  padding: 0 var(--space-2) var(--safe-b);
  background: #ffffff;
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
  gap: var(--space-2);
  align-items: stretch;
}

.mobile-bottom-nav .mnav-btn {
  flex: 1;
  min-height: var(--touch);
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  border-radius: 12px;
  margin: 6px 0;
  transition: background 0.15s, color 0.15s;
}

.mobile-bottom-nav .mnav-btn svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mobile-bottom-nav .mnav-btn.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.mobile-bottom-nav .mnav-btn:active {
  background: var(--bg-muted);
}

/* ========== LAYOUT ========== */
.layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.panel-head.spaced {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.hint {
  margin: 0.35rem 0 0;
  color: var(--text-dim);
  font-size: 0.84rem;
  line-height: 1.45;
}

/* ========== TYPE GRID — mobile horizontal scroll ========== */
.type-grid {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: var(--space-2);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.type-grid::-webkit-scrollbar {
  height: 4px;
}
.type-grid::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

.type-card {
  appearance: none;
  flex: 0 0 auto;
  min-width: 88px;
  min-height: var(--touch);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  text-align: center;
  scroll-snap-align: start;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.type-card:hover {
  border-color: #f59e0b;
}

.type-card:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.type-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px #fdba74;
}

.type-card .name {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
}

.type-card .cat {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-dim);
}

.type-grid.compact .type-card {
  min-width: 80px;
  padding: 0.55rem 0.6rem;
}

/* ========== FORMS ========== */
.fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.field-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-3) var(--space-4);
  background: var(--bg-input);
}

.field-group legend {
  padding: 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field .unit {
  color: var(--text-dim);
  font-weight: 500;
}

.field input[type="number"],
.field input[type="text"] {
  width: 100%;
  min-height: var(--touch);
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
  border-color: var(--border-focus);
  box-shadow: var(--focus-ring);
}

.field input::placeholder {
  color: #94a3b8;
}

.field .field-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.field-check {
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--touch);
  padding: 0.25rem 0;
}

.field-check input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.field-check label {
  color: var(--text);
  font-size: 0.92rem;
  cursor: pointer;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-5);
  position: sticky;
  bottom: calc(var(--bottom-nav-h) + var(--safe-b) + 8px);
  z-index: 5;
  padding: var(--space-2) 0 0;
  background: linear-gradient(180deg, transparent, var(--bg-elevated) 20%);
}

.btn {
  appearance: none;
  border: none;
  border-radius: 12px;
  min-height: var(--touch);
  padding: 0.75rem 1.15rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.15s, box-shadow 0.15s;
  width: 100%;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-primary {
  background: linear-gradient(145deg, #d97706, #b45309);
  color: #fff;
  box-shadow: 0 4px 14px rgba(180, 83, 9, 0.28);
  order: -1; /* primary first on mobile */
}

.btn-primary:hover {
  background: linear-gradient(145deg, #ea580c, #c2410c);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-ghost {
  background: #ffffff;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-muted);
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

/* ========== RESULTS ========== */
.empty-state {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  color: var(--text-dim);
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
}

.empty-icon {
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: var(--space-3);
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.result-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.result-banner.ok {
  background: var(--ok-bg);
  border: 1.5px solid var(--ok-border);
}

.result-banner.fail {
  background: var(--fail-bg);
  border: 1.5px solid var(--fail-border);
}

.result-status {
  font-size: 1.2rem;
  font-weight: 800;
}

.result-banner.ok .result-status {
  color: var(--ok);
}

.result-banner.fail .result-status {
  color: var(--fail);
}

.result-type {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.metric {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-3);
}

.metric .label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.metric .value {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.checks {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.check-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3);
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.9rem;
  color: var(--text);
}

.check-item.ok {
  border-color: var(--ok-border);
  background: #f0fdf4;
}

.check-item.fail {
  border-color: var(--fail-border);
  background: var(--fail-bg);
}

.check-mark {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 800;
}

.check-item.ok .check-mark {
  background: var(--ok);
  color: #fff;
}

.check-item.fail .check-mark {
  background: var(--fail);
  color: #fff;
}

.check-body .code {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.15rem;
  font-weight: 500;
}

.meta-block {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.meta-block h3 {
  margin: 0 0 var(--space-3);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}

.meta-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.meta-list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.meta-list li {
  margin-bottom: 0.35rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--info-bg);
  color: #0c4a6e;
  border: 1px solid var(--info-border);
}

.guide-box {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--border);
}

.guide-box h3 {
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
  font-weight: 700;
}

.guide-content .formula {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  margin: 0.35rem 0;
  color: #78350f;
  line-height: 1.4;
}

.guide-kv {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0;
  font-size: 0.88rem;
}

.guide-kv div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-3);
  background: var(--bg-input);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.guide-kv .k {
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ========== TABLES → mobile cards ========== */
.table-wrap {
  overflow: visible;
  border: none;
  border-radius: 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

/* Hide classic table on mobile — JS also renders .result-cards */
.data-table thead {
  display: none;
}

.data-table tbody tr {
  display: block;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-3);
  margin-bottom: var(--space-2);
}

.data-table tbody td {
  display: block;
  padding: 0.2rem 0;
  border: none;
  color: var(--text);
}

.data-table tbody td::before {
  content: attr(data-label);
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.data-table .max-val {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.data-table .limit-cell {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.data-table .formula-cell {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px dashed var(--border);
}

.data-table .note-cell {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--info);
  font-weight: 500;
}

/* ========== FOOTER ========== */
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.site-footer p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.site-footer a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.btn-primary.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* ========== TABLET ≥768 ========== */
@media (min-width: 768px) {
  body {
    padding-bottom: var(--space-6);
  }

  .mobile-bottom-nav {
    display: none;
  }

  .site-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    position: sticky;
  }

  .brand h1 {
    font-size: 1.25rem;
  }

  .tagline {
    font-size: 0.85rem;
  }

  .header-right {
    width: auto;
    align-items: flex-end;
  }

  .header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: flex-end;
  }

  .top-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    justify-content: flex-end;
  }

  .nav-btn {
    appearance: none;
    border: 1.5px solid var(--border);
    background: #fff;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    min-height: var(--touch);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
  }

  .nav-btn:hover {
    color: var(--text);
    border-color: #f59e0b;
  }

  .nav-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }

  .nav-btn.active {
    color: #fff;
    background: linear-gradient(145deg, #d97706, #b45309);
    border-color: transparent;
  }

  .nav-btn .chev {
    font-size: 0.7rem;
    opacity: 0.85;
  }

  .nav-dropdown {
    position: relative;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 300px;
    max-width: 380px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: var(--space-3);
    z-index: 50;
  }

  .nav-menu-title {
    margin: 0 0 var(--space-2);
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 700;
  }

  .nav-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }

  .nav-menu-item {
    appearance: none;
    border: 1.5px solid var(--border);
    background: var(--bg-input);
    color: var(--text);
    font-family: inherit;
    font-size: 0.84rem;
    font-weight: 600;
    min-height: 40px;
    padding: 0.5rem 0.65rem;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.12s, background 0.12s;
  }

  .nav-menu-item:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
  }

  .layout {
    padding: var(--space-5);
  }

  .panel {
    padding: var(--space-5);
  }

  .type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    overflow: visible;
    scroll-snap-type: none;
  }

  .type-card {
    min-width: 0;
    width: 100%;
  }

  .field-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-actions {
    flex-direction: row;
    flex-wrap: wrap;
    position: static;
    background: none;
    padding: 0;
  }

  .btn {
    width: auto;
    min-width: 140px;
  }

  .btn-primary {
    order: 0;
  }

  .btn-row {
    display: contents;
  }

  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .guide-kv div {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-3);
  }

  .guide-kv .k {
    min-width: 5rem;
  }

  /* Tables as real tables on tablet+ */
  .table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 12px;
  }

  .data-table thead {
    display: table-header-group;
  }

  .data-table tbody tr {
    display: table-row;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
  }

  .data-table tbody tr:nth-child(even) {
    background: #f8fafc;
  }

  .data-table tbody td {
    display: table-cell;
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
  }

  .data-table tbody td::before {
    content: none;
  }

  .data-table th {
    background: #0f172a;
    color: #f8fafc;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.7rem 0.85rem;
    text-align: left;
    white-space: nowrap;
  }

  .data-table tr:last-child td {
    border-bottom: none;
  }

  .data-table .formula-cell {
    border-top: none;
    margin-top: 0;
    padding-top: 0.7rem;
  }

  .data-table .max-val {
    font-size: 0.95rem;
  }
}

/* ========== DESKTOP ≥1024 ========== */
@media (min-width: 1024px) {
  .layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.9fr);
    gap: var(--space-5);
    align-items: start;
  }

  .panel-result {
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 104px);
    overflow-y: auto;
  }

  .brand-mark {
    width: 52px;
    height: 52px;
  }

  .brand h1 {
    font-size: 1.35rem;
  }

  .type-grid {
    grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
    gap: var(--space-3);
  }

  .field-row {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  .metrics {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .bg-orb {
    opacity: 0.4;
  }

  .orb-1 {
    width: 420px;
    height: 420px;
  }
  .orb-2 {
    width: 360px;
    height: 360px;
  }
}

/* ========== WIDE ≥1280 ========== */
@media (min-width: 1280px) {
  .layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.85fr);
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}