/* Professional Intelligence v2 responsive layer — development branch only.
   Loaded after styles.css so the stable visual language remains intact while layout adapts
   cleanly from wide desktop to phone-sized web views. */

:root {
  --content-max-v2: 1440px;
  --touch-min: 44px;
}

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; overflow-x: hidden; }
body { overflow-x: hidden; width: 100%; min-width: 0; font-size: clamp(14px, 0.25vw + 13px, 16px); }
img, svg, video, canvas { max-width: 100%; }
.main, .content, .card, .chart-card { min-width: 0; }
.content {
  max-width: var(--content-max-v2);
  padding-left: clamp(16px, 2.4vw, 36px);
  padding-right: clamp(16px, 2.4vw, 36px);
  overflow-wrap: anywhere;
}

/* Prevent intrinsic desktop-sized children from widening the page. */
.main, .content, #content, .card, .chart-card, .grid, .grid > *,
.xhs-layout, .xhs-main, .xhs-side, .form-row, .controls { min-width: 0; max-width: 100%; }
.app, .sidebar, .main, .content, #content { width: 100%; max-width: 100%; }
button, input, select, textarea { max-width: 100%; }
.card h1, .card h2, .card h3, .section-title, .lead, .sub { overflow-wrap: anywhere; }

/* Professional layouts */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 14px 0;
}
.stats-grid .stat {
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 15px 16px;
}
.stat-num { font-size: clamp(20px, 2.2vw, 28px); font-weight: 720; line-height: 1.15; overflow-wrap: anywhere; }
.stat-label { margin-top: 5px; color: var(--muted); font-size: 12px; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0;
}
.form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}
.form-row > input,
.form-row > select {
  flex: 1 1 220px;
  min-width: 0;
  font: inherit;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
}
.form-row > input:focus,
.form-row > select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, .12);
}

/* Source universe / access matrix */
.source-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin: 14px 0;
}
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}
.source-card {
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 15px;
}
.source-card .source-head { display: flex; gap: 8px; align-items: flex-start; justify-content: space-between; }
.source-card .source-name { font-weight: 680; overflow-wrap: anywhere; }
.source-card .source-meta { color: var(--muted); font-size: 11.5px; margin-top: 5px; overflow-wrap: anywhere; }
.source-card .source-action { margin-top: 8px; font-size: 12px; line-height: 1.5; }
.access-zero { color: var(--ok-fg); }
.access-optional { color: var(--info-fg); }
.access-auth { color: var(--warn-fg); }
.access-planned { color: var(--muted); }

.entity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.entity-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 12px 13px;
  background: #fff;
}
.entity-card .aliases { color: var(--muted); font-size: 11.5px; margin-top: 5px; overflow-wrap: anywhere; }

.platform-overview { overflow: hidden; }
.coverage-line { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.platform-cloud { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; margin-top: 14px; }
.platform-chip { min-width: 0; display: flex; flex-direction: column; gap: 2px; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.platform-chip strong, .platform-chip small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.platform-chip strong { font-size: 12px; }
.platform-chip small { color: var(--muted); font-size: 10.5px; }
.coverage-note { margin: 14px 0 0; }
.chart-line { stroke-dasharray: 1; stroke-dashoffset: 1; animation: chart-draw 1.2s ease-out forwards; }
@keyframes chart-draw { to { stroke-dashoffset: 0; } }
.topic-radar { margin: 14px 0; }
.topic-radar-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.topic-radar-head h2 { margin: 0; font-size: 18px; }
.topic-cloud { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 14px; min-height: 180px; padding: 20px 10px; background: radial-gradient(circle at center, #f0faf7, #fff 68%); border: 1px solid #e1f0eb; border-radius: 10px; margin-top: 12px; }
.topic-word { color: var(--accent-dark); font-size: calc(12px * var(--topic-weight, 1)); font-weight: 680; line-height: 1.2; text-align: center; overflow-wrap: anywhere; animation: topic-float 2.8s ease-in-out infinite alternate; }
@keyframes topic-float { from { transform: translateY(0); } to { transform: translateY(-2px); } }
.topic-explanation { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; padding: 9px 10px; background: #f6fbf9; border-radius: 8px; color: var(--muted); font-size: 12px; }
.topic-explanation strong { color: var(--accent-dark); }

/* Creator Ops: readable summaries first; raw values remain available without forcing a desktop layout. */
.ops-hero { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ops-hero h2 { margin-bottom: 6px; }
.ops-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 14px 0; }
.ops-card { min-width: 0; border: 1px solid var(--border); border-radius: 10px; padding: 14px; background: var(--card); box-shadow: var(--shadow); }
.ops-card h3 { font-size: 14px; margin: 0 0 8px; }
.ops-value { font-weight: 750; font-size: clamp(20px, 3vw, 29px); line-height: 1.15; overflow-wrap: anywhere; }
.ops-detail { color: var(--muted); font-size: 12px; line-height: 1.55; margin-top: 6px; overflow-wrap: anywhere; }
.ops-diagnostic { border-left: 4px solid var(--info-fg); padding: 10px 12px; margin-top: 9px; border-radius: 7px; background: #f7fbff; }
.ops-diagnostic.attention { border-left-color: var(--warn-fg); background: #fffaf0; }
.ops-diagnostic.warning { border-left-color: var(--danger); background: #fff5f5; }
.ops-diagnostic strong { display: block; }
.ops-diagnostic .ops-detail { margin: 4px 0; }
.ops-report { width: 100%; min-height: 250px; resize: vertical; font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.ops-list { display: grid; gap: 8px; margin-top: 10px; }
.ops-event { padding: 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.ops-event-head { display: flex; gap: 8px; justify-content: space-between; align-items: baseline; flex-wrap: wrap; }

/* Tables must scroll instead of crushing columns on phones. */
.table-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.table-wrap table { min-width: 640px; }

/* Wide desktop */
@media (min-width: 1440px) {
  .sidebar { width: 264px; flex-basis: 264px; }
  .content { padding-top: 28px; }
  .source-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* Tablet / narrow desktop */
@media (max-width: 1080px) {
  .sidebar { width: 220px; flex-basis: 220px; }
  .topbar { padding-left: 20px; padding-right: 20px; }
  .grid-2 { grid-template-columns: 1fr; }
  .source-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
}

/* Phone / small tablet shell. The final rules below make navigation an explicit
   drawer, so a restored browser session can never turn the entire viewport into
   a menu. */
@media (max-width: 720px) {
  body { background: var(--card); }
  .app { min-height: 100dvh; }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 30;
    width: 100%;
    height: auto;
    padding: max(8px, env(safe-area-inset-top)) 10px 8px;
    border-bottom: 1px solid #2a2a2a;
  }
  .brand { padding: 2px 6px 8px; }
  .brand { justify-content: flex-start; }
  .brand-sub { display: none; }
  .brand-logo { width: 28px; height: 28px; flex-basis: 28px; }
  .nav-toggle {
    display: inline-flex;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid #3a3a3a;
    border-radius: 10px;
    background: transparent;
    color: var(--sidebar-text);
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    margin-left: auto;
  }
  .nav-toggle span { display: block; width: 22px; height: 2px; border-radius: 2px; background: currentColor; }
  .nav {
    width: 100%;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    flex-direction: initial !important;
    gap: 4px;
    overflow-x: hidden;
    overflow-y: auto;
    padding-bottom: 2px;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transition: max-height .2s ease, opacity .15s ease;
  }
  .sidebar.nav-open .nav { max-height: min(70vh, 620px); overflow-y: auto; opacity: 1; pointer-events: auto; }
  .nav-group {
    display: block;
    grid-column: 1 / -1;
    padding: 7px 7px 2px;
    font-size: 10px;
  }
  .nav-item {
    width: 100%;
    min-width: 0;
    min-height: var(--touch-min);
    padding: 9px 10px;
    border-left: 0;
    border-bottom: 2px solid transparent;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.25;
    white-space: normal;
  }
  .nav-item.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .nav-item svg { width: 16px; height: 16px; }
  .nav-tag { margin-left: 3px; flex: 0 0 auto; }
  .sidebar-foot { display: none; }
  .topbar {
    position: static;
    padding: 11px 16px;
    min-height: 48px;
  }
  .topbar h1 { font-size: 16px; }
  .content {
    padding: 14px 14px max(32px, env(safe-area-inset-bottom));
    max-width: none;
  }
  .card { padding: 14px; }
  .card h2 { font-size: clamp(18px, 5.2vw, 24px); line-height: 1.25; }
  .section-title { font-size: clamp(16px, 4.6vw, 21px); }
  .lead, .sub { font-size: clamp(13px, 3.5vw, 15px); line-height: 1.55; }
  .card, .chart-card, .cluster, .article, .event, .signal-card { border-radius: 9px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .stats-grid .stat { padding: 12px; }
  .source-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .source-grid, .entity-grid { grid-template-columns: 1fr; }
  .ops-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .platform-cloud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls, .form-row { align-items: stretch; gap: 8px; }
  .controls > .input,
  .controls > select,
  .controls > button,
  .form-row > input,
  .form-row > select,
  .form-row > button { flex: 1 1 100%; width: 100%; }
  .btn { justify-content: center; min-height: var(--touch-min); }
  .toolbar { flex-wrap: wrap; }
  .toolbar .btn { min-height: 40px; }
  .score-ring { gap: 12px; }
  .ring { width: 82px; height: 82px; flex-basis: 82px; }
  .event { gap: 10px; }
  .event .days { flex-basis: 56px; }
  .xhs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .xhs-body { padding: 8px 9px 10px; }
  .toast {
    width: calc(100vw - 28px);
    max-width: 480px;
    bottom: max(16px, env(safe-area-inset-bottom));
    text-align: center;
  }
  pre.prompt { max-height: 55vh; overflow: auto; }
}

/* Defensive compact-shell rule: some embedded/mobile browsers report a wider
   layout viewport. Keep the shell fluid even when the exact media query is late. */
@media (max-width: 900px) {
  .app { display: block; }
  .sidebar { position: sticky; top: 0; z-index: 30; width: 100%; flex: none; height: auto; }
  .main { width: 100%; }
  .content { width: 100%; max-width: none; margin: 0; }
  .topbar { width: 100%; }
}

@media (min-width: 721px) {
  .nav-toggle { display: none; }
}

@media (max-width: 440px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .source-summary { grid-template-columns: 1fr 1fr; }
  .xhs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xhs-title { -webkit-line-clamp: 2; }
  .event { flex-direction: column; }
  .event .days { width: 100%; flex-basis: auto; }
  .topbar { padding-left: 12px; padding-right: 12px; }
  .content { padding-left: 12px; padding-right: 12px; }
  .nav-item { font-size: 12px; }
  .platform-cloud { grid-template-columns: 1fr 1fr; gap: 6px; }
}

@media (max-width: 360px) {
  .stats-grid, .source-summary, .ops-grid { grid-template-columns: 1fr; }
  .xhs-grid { grid-template-columns: 1fr; }
  .nav-item { padding-left: 9px; padding-right: 9px; }
}

@media (pointer: coarse) {
  .nav-item, .tile, .btn, input, select { min-height: var(--touch-min); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* Mobile navigation acceptance contract.
   Keep this last: the original desktop stylesheet and the first responsive pass
   both contain legacy navigation declarations. A phone must always open on the
   current page, with navigation available deliberately from the menu button. */
@media (max-width: 720px) {
  .sidebar {
    position: sticky;
    overflow: visible;
    padding: max(8px, env(safe-area-inset-top)) 12px 8px;
  }
  .brand { min-height: 52px; padding: 2px 2px; }
  .brand-name { font-size: 16px; }
  .nav-toggle {
    display: inline-flex !important;
    position: relative;
    z-index: 2;
  }
  body .sidebar > .nav {
    display: none !important;
    position: absolute;
    inset: 100% 0 auto;
    width: 100%;
    max-height: none;
    padding: 8px 12px calc(12px + env(safe-area-inset-bottom));
    overflow-y: auto;
    background: var(--sidebar-bg);
    border-top: 1px solid #2a2a2a;
    border-bottom: 1px solid #2a2a2a;
    box-shadow: 0 16px 28px rgba(0, 0, 0, .28);
    opacity: 1;
    pointer-events: auto;
  }
  body .sidebar.nav-open > .nav {
    display: flex !important;
    flex-direction: column !important;
    gap: 2px;
    max-height: calc(100dvh - 64px);
  }
  body .sidebar > .nav .nav-group {
    display: block;
    padding: 12px 8px 4px;
  }
  body .sidebar > .nav .nav-item {
    display: flex;
    min-height: 46px;
    padding: 11px 12px;
    border-left: 2px solid transparent;
    border-bottom: 0;
    border-radius: 8px;
    font-size: 14px;
    white-space: normal;
  }
  body .sidebar > .nav .nav-item.active { border-left-color: var(--accent); border-bottom-color: transparent; }
  .sidebar-foot { display: none; }
}