/* ═══════════════════════════════════════════════════════════════════
   CAREER STUDIO — WORLD-FIRST RESPONSIVE SYSTEM v1.0
   Covers every device from 320px watches to 4K ultra-wide displays
   Breakpoints: 320 · 480 · 600 · 768 · 900 · 1024 · 1280 · 1440 · 1920+
   ═══════════════════════════════════════════════════════════════════ */

/* ─── RESPONSIVE TOKENS ─────────────────────────────────────────── */
:root {
  --sidebar-w:    232px;
  --topbar-h:     60px;
  --content-pad:  28px;
  --card-pad:     20px 22px;
  --grid-gap:     16px;
}

/* ═══════════════════════════════════════════════════════════════════
   ULTRA-WIDE — 1920px+  (4K, cinema displays)
   ═══════════════════════════════════════════════════════════════════ */
@media (min-width: 1920px) {
  .app-content { max-width: 1800px; margin-left: auto; margin-right: auto; }
  .tab { padding: 36px 48px; }
  .g2  { grid-template-columns: 1fr 1fr; gap: 24px; }
  .g3  { grid-template-columns: 2fr 1fr; gap: 24px; }
  .g4  { grid-template-columns: repeat(4,1fr); gap: 20px; }
  .card { padding: 28px 32px; }
  .wf-hero-title { font-size: clamp(2rem,3vw,3rem); }
  .analytics-grid { grid-template-columns: repeat(6,1fr); }
  .atp-cards-grid { grid-template-columns: repeat(4,1fr); }
}

/* ═══════════════════════════════════════════════════════════════════
   LARGE DESKTOP — 1440px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1440px) {
  .g4 { grid-template-columns: repeat(3,1fr); }
  .analytics-grid { grid-template-columns: repeat(4,1fr); }
}

/* ═══════════════════════════════════════════════════════════════════
   DESKTOP — 1280px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1280px) {
  .g4  { grid-template-columns: repeat(2,1fr); }
  .analytics-grid { grid-template-columns: repeat(3,1fr); }
  .brain-layout { grid-template-columns: 1fr; }
  .sal-grid { grid-template-columns: 1fr 1fr; }
  .at-nodes-grid { grid-template-columns: repeat(4,1fr); }
  .atp-cards-grid { grid-template-columns: repeat(2,1fr); }
}

/* ═══════════════════════════════════════════════════════════════════
   LAPTOP — 1024px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --content-pad: 20px; }

  .tab { padding: 20px; }
  .g3  { grid-template-columns: 1fr; }
  .g4  { grid-template-columns: repeat(2,1fr); }


  /* Sidebar collapses by default */
  .sidebar { transform: translateX(-100%); transition: transform .28s cubic-bezier(.4,0,.2,1); z-index: 999; }
  .sidebar.mobile-open { transform: translateX(0); }
  .app-content { margin-left: 0 !important; }
  body.sb-collapsed .app-content { margin-left: 0; }

  /* Topbar hamburger visible */
  .sb-toggle { display: flex !important; }
  .mobile-overlay { display: block !important; }

  /* Portfolio */
  .pf-main-grid { grid-template-columns: 1fr; }

  /* Plans */
  .atp-cards-grid { grid-template-columns: repeat(2,1fr); }

  /* Community */
  .comm-feed-bar { flex-direction: column; gap: 10px; }

  /* Analytics */
  .analytics-grid { grid-template-columns: repeat(3,1fr); }
}

/* ═══════════════════════════════════════════════════════════════════
   TABLET — 900px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  :root { --content-pad: 16px; --grid-gap: 12px; }

  /* Core layout */
  .tab { padding: 16px; }
  .g2  { grid-template-columns: 1fr; }
  .g3  { grid-template-columns: 1fr; }
  .g4  { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .fr  { flex-direction: column; gap: 10px; }
  .card { padding: 16px 18px; }

  /* Top bar */
  .topbar { padding: 0 16px; }
  .tb-right { gap: 8px; }

  /* Sub-nav — scrollable */
  .sub-nav {
    display: flex; flex-wrap: nowrap; overflow-x: auto;
    gap: 4px; padding-bottom: 4px;
    scrollbar-width: none; -ms-overflow-style: none;
  }
  .sub-nav::-webkit-scrollbar { display: none; }
  .stab { white-space: nowrap; font-size: 10px; padding: 6px 10px; flex-shrink: 0; }

  /* Brain */
  .brain-input-row { flex-direction: column; gap: 8px; }
  .brain-layout { grid-template-columns: 1fr; }
  .brain-sidebar { display: none; }

  /* Resume */
  .resume-main-grid { grid-template-columns: 1fr; }
  .resume-toolbar { flex-wrap: wrap; gap: 6px; }
  .ats-compat-grid { grid-template-columns: repeat(2,1fr); }

  /* Salary */
  .sal-hero-row { grid-template-columns: repeat(2,1fr); }
  .sal-main-grid { grid-template-columns: 1fr; }
  .sal-grid { grid-template-columns: 1fr; }

  /* Leads */
  .leads-main-grid { grid-template-columns: 1fr; }

  /* LinkedIn */
  .li-score-grid { grid-template-columns: 1fr; }

  /* Automation */
  .at-build-grid { grid-template-columns: 1fr; }
  .at-nodes-grid { grid-template-columns: repeat(3,1fr); }
  .at-mode-grid  { grid-template-columns: repeat(2,1fr); }
  .saas-grid     { grid-template-columns: 1fr; }

  /* Plans */
  .atp-hero { flex-direction: column; text-align: center; }
  .atp-cards-grid { grid-template-columns: repeat(2,1fr); }
  .atp-billing-row { flex-wrap: wrap; justify-content: center; }

  /* Video */
  .vc-verdict-body { grid-template-columns: 1fr; }
  .csvm-grid { grid-template-columns: 1fr; }

  /* Portfolio */
  .pf-main-grid { grid-template-columns: 1fr; }
  .pf-section-grid { grid-template-columns: 1fr; }

  /* Community */
  .comm-filter-pills { flex-wrap: wrap; gap: 4px; }
  .comm-mod-stats { grid-template-columns: repeat(2,1fr); }

  /* Analytics */
  .analytics-grid { grid-template-columns: repeat(2,1fr); }
  .analytics-kpi-card { padding: 14px 16px; }

  /* Integration marketplace */
  .im-modal { width: 95vw; height: 90vh; }
  .im-grid  { grid-template-columns: repeat(2,1fr); }

  /* Office Calendar */
  .office-main-grid { grid-template-columns: 1fr; }

  /* Lifepath */
  .lp-main-grid { grid-template-columns: 1fr; }

  /* Global */
  .global-main-grid { grid-template-columns: 1fr; }

  /* Recruiter */
  .rec-grid { grid-template-columns: 1fr; }
  .isco-main-grid { grid-template-columns: 1fr; }

  /* Blog */
  .blog-grid { grid-template-columns: repeat(2,1fr); }

  /* Hero sections */
  .wf-tab-hero { padding: 20px; }
  .wf-hero-right { display: none; }
  .wf-hero-title { font-size: clamp(1.4rem,4vw,2rem); }
  .wf-hero-tags { gap: 4px; }
  .wf-hero-tag { font-size: 8px; padding: 3px 8px; }

  /* Data Intelligence */
  .dna-dim-grid { grid-template-columns: repeat(3,1fr); }
  .dna-charts-row { grid-template-columns: 1fr 1fr; }
  .dna-intel-grid { grid-template-columns: 1fr; }

  /* HeyGen / Media avatar */
  .media-avatar-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════
   TABLET PORTRAIT / LARGE PHONE — 768px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Topbar */
  .tb-title { font-size: 14px; max-width: 140px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .tb-actions .btn-outline { display: none; }

  /* Page hero */
  .ph { margin-bottom: 16px; }
  .pt { font-size: clamp(1.2rem,5vw,1.8rem); }
  .pd { font-size: 11px; }

  /* Forms */
  .fg label { font-size: 8.5px; }
  .fr { flex-direction: column; }

  /* Buttons */
  .btn-row { flex-direction: column; gap: 8px; }
  .btn-row .btn-p, .btn-row .btn-outline { width: 100%; justify-content: center; }

  /* Salary hero */
  .sal-hero-row { grid-template-columns: 1fr; gap: 8px; }

  /* Brain chat — mobile: shorter chat */
  #tab-brain .chat-wrap { height: 500px !important; }

  /* Brain sidebar hidden by default, toggle on button */
  .brain-history-panel { display: none; }
  .brain-history-panel.show { display: block; }

  /* Interview */
  .interview-main-grid { grid-template-columns: 1fr; }

  /* Recruiter DNA */
  .dna-dim-grid { grid-template-columns: repeat(2,1fr); }

  /* Job search */
  .job-filters-row { flex-wrap: wrap; gap: 6px; }
  .job-card-row { flex-direction: column; }

  /* Automation mode selector */
  .at-mode-grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
  .at-mode-btn { padding: 12px 10px; }
  .at-mode-icon-wrap { width: 40px; height: 40px; font-size: 18px; }

  /* Integration pills */
  .at-int-scroll-wrap { padding: 6px 0; }
  .at-int-pill { font-size: 9.5px; padding: 5px 10px; }

  /* AI nodes */
  .at-nodes-grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
  .at-node-card  { padding: 10px; }

  /* Plans */
  .atp-cards-grid { grid-template-columns: 1fr; }
  .atp-guarantee  { flex-direction: column; text-align: center; }
  .atp-all-include { grid-template-columns: repeat(2,1fr); }

  /* Community */
  .comm-post-actions { flex-wrap: wrap; gap: 6px; }
  .comm-mod-actions  { flex-wrap: wrap; }

  /* Analytics KPIs */
  .analytics-grid { grid-template-columns: repeat(2,1fr); }
  .analytics-kpi-card { padding: 12px; }
  .kpi-val { font-size: 1.6rem; }

  /* Notifications */
  .notif-card { flex-direction: column; gap: 8px; }
  .notif-actions { flex-direction: row; flex-wrap: wrap; }

  /* Modal overlays — full screen on mobile */
  .im-overlay { padding: 0; }
  .im-modal   { width: 100vw; height: 100vh; border-radius: 0; }
  .im-cats    { display: flex; flex-wrap: nowrap; overflow-x: auto; flex-direction: row; width: 100%; border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); padding: 8px; gap: 4px; min-width: unset; max-height: 54px; }
  .im-cat-btn { white-space: nowrap; padding: 4px 10px; font-size: 9px; border-radius: 99px; }
  .im-grid    { grid-template-columns: 1fr 1fr; gap: 8px; }

  /* Employer Hub */
  .emp-main-grid { grid-template-columns: 1fr; }

  /* Blog */
  .blog-grid { grid-template-columns: 1fr; }

  /* CSTM / Transformer */
  .cstm-grid { grid-template-columns: 1fr; }

  /* Lifepath sub-tabs */
  .lp-subtab-row { flex-wrap: wrap; gap: 4px; }

  /* Future Self */
  .fs-panel .g2 { grid-template-columns: 1fr; }

  /* Life sim */
  .life-sim-grid { grid-template-columns: 1fr; }

  /* Office Calendar */
  .wc-kb-panel { margin-bottom: 8px; }

  /* Cover letter */
  .cl-subnav { flex-wrap: wrap; gap: 4px; }
  .cl-subnav .stab { font-size: 9px; padding: 5px 8px; }

  /* Media studio sub-tabs */
  .media-subnav .stab { font-size: 9px; padding: 5px 8px; }

  /* Video intelligence */
  .csvm-subtabs { flex-wrap: wrap; }
}

/* ═══════════════════════════════════════════════════════════════════
   LARGE PHONE — 600px
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  :root { --content-pad: 12px; --card-pad: 14px 16px; }

  .tab  { padding: 12px; }
  .card { padding: 14px 16px; }
  .g4   { grid-template-columns: 1fr 1fr; gap: 8px; }

  /* Topbar */
  .topbar { height: 52px; padding: 0 12px; gap: 8px; }
  .tb-logo span { display: none; }

  /* Page title */
  .pt { font-size: 1.1rem; }

  /* Sub-nav */
  .stab { font-size: 9.5px; padding: 5px 8px; }

  /* Salary */
  .sal-result-card { flex-direction: column; gap: 8px; }

  /* Plans */
  .atp-hero-stats-row { grid-template-columns: repeat(2,1fr); }
  .atp-toggle { width: 180px; }

  /* Community */
  .comm-filter-pills { gap: 3px; }
  .comm-filter { font-size: 9.5px; padding: 5px 8px; }
  .comm-post-card { padding: 12px; }
  .comm-post-avatar { width: 32px; height: 32px; font-size: 13px; }

  /* Analytics */
  .analytics-grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
  .kpi-icon { font-size: 20px; }
  .kpi-label { font-size: 9px; }

  /* Integration marketplace */
  .im-grid { grid-template-columns: 1fr; }
  .im-card { padding: 12px; }

  /* Hero */
  .wf-hero-title { font-size: 1.2rem; }
  .wf-hero-desc  { font-size: 12px; }
  .wf-hero-tags  { display: none; }

  /* Resume toolbar */
  .resume-toolbar .btn-outline { font-size: 10px; padding: 6px 10px; }

  /* Automation nodes */
  .at-nodes-grid { grid-template-columns: repeat(2,1fr); }

  /* Video */
  .vc-scores-grid { grid-template-columns: repeat(2,1fr); }

  /* Moderation */
  .comm-mod-stats { grid-template-columns: 1fr 1fr; }
  .comm-mod-card  { padding: 12px; }

  /* Streaming panels */
  .spanel { padding: 12px; font-size: 13px; }

  /* Form */
  input, select, textarea { font-size: 14px !important; }

  /* Salary Engine selects */
  .sal-hero-selects { flex-direction: column; gap: 8px; }
  #salaryRoleSelect, #salaryCountrySelect { width: 100%; }

  /* Bots tab */
  .bot-grid { grid-template-columns: 1fr; }

  /* Blog */
  .blog-card-meta { flex-wrap: wrap; gap: 4px; }

  /* Portfolio sections */
  .pf-section-grid { grid-template-columns: 1fr; }

  /* LinkedIn */
  .li-post-types { grid-template-columns: repeat(2,1fr); }

  /* Achievements */
  .ach-grid { grid-template-columns: 1fr; }

  /* Certifications */
  .cert-grid { grid-template-columns: 1fr; }

  /* Translator */
  .translator-grid { grid-template-columns: 1fr; }
  .translator-langs { flex-direction: column; gap: 8px; }

  /* Career betting */
  .bet-grid { grid-template-columns: 1fr; }

  /* Data DNA */
  .dna-dim-grid { grid-template-columns: repeat(2,1fr); }
  .dna-charts-row { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════
   PHONE — 480px  (most Android phones, older iPhones)
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  :root { --content-pad: 10px; }

  .tab  { padding: 10px; }
  .card { padding: 12px 14px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; gap: 10px; }
  .fr   { flex-direction: column; gap: 8px; }

  /* Topbar */
  .topbar { padding: 0 10px; }
  .tb-right { gap: 6px; }
  .tb-right .notif-bell-wrap { display: flex; }

  /* Sub-nav — 2 per row on very small screens */
  .sub-nav { flex-wrap: wrap; }
  .stab { flex: 1 1 calc(50% - 4px); text-align: center; font-size: 9px; padding: 5px 6px; }

  /* Cards */
  .card { border-radius: 12px; }
  .ch   { gap: 7px; margin-bottom: 10px; }
  .ci   { font-size: 16px; }

  /* Buttons */
  .btn-p, .btn-outline, .btn-gold { width: 100%; justify-content: center; margin-bottom: 6px; font-size: 12px; }
  .btn-p + .btn-p, .btn-p + .btn-outline { margin-top: 0; }

  /* Badges — smaller */
  .bdg { font-size: 8px; padding: 3px 7px; }
  .bdg.world { animation: none; }

  /* Salary hero */
  .sal-hero-row { grid-template-columns: 1fr; }
  .sal-hero-stat { padding: 10px; }
  .sal-stat-num  { font-size: 1.4rem; }

  /* Plans hero */
  .atp-hero { padding: 16px; }
  .atp-hero-counter { font-size: 2rem; }
  .atp-guarantee { padding: 12px; }
  .atp-all-include { grid-template-columns: 1fr; }

  /* Community posts */
  .comm-post-top { flex-wrap: wrap; gap: 6px; }
  .comm-post-type { margin-left: auto; }

  /* Analytics */
  .analytics-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .analytics-kpi-card { padding: 10px; }
  .kpi-val { font-size: 1.4rem; }
  .kpi-icon { font-size: 18px; margin-bottom: 4px; }

  /* AI mode buttons */
  .at-mode-grid { grid-template-columns: repeat(2,1fr); }
  .at-mode-glow { padding: 12px 8px; min-height: 90px; }
  .at-mode-label { font-size: 9px; }
  .at-mode-check { width: 16px; height: 16px; font-size: 8px; }

  /* Integration pills — compact */
  .at-int-pill { font-size: 9px; padding: 4px 8px; }
  .at-int-dot  { width: 6px; height: 6px; }

  /* AI nodes */
  .at-nodes-grid { grid-template-columns: repeat(2,1fr); gap: 6px; }
  .at-node-card  { padding: 8px 6px; }
  .at-node-icon  { font-size: 18px; }
  .at-node-label { font-size: 9px; }

  /* Integration marketplace drawer */
  .im-drawer { width: 100vw; }
  .im-modal-header h2 { font-size: 14px; }

  /* Streaming output */
  .spanel { font-size: 12px; padding: 10px; }
  pre, code { font-size: 11px; overflow-x: auto; }

  /* Notifications */
  .notif-list { padding: 8px; }
  .notif-card { padding: 10px; }

  /* Employer hub */
  .emp-job-card { flex-direction: column; }

  /* Heatmap */
  .heatmap-grid { grid-template-columns: repeat(4,1fr); }

  /* DNA charts */
  .dna-dim-grid { grid-template-columns: repeat(2,1fr); gap: 6px; }

  /* Translator */
  .lang-swap-btn { width: 100%; }

  /* Future self panels */
  .fs-status { font-size: 11px; }

  /* Moderation */
  .comm-mod-stats { grid-template-columns: 1fr; }
  .comm-mod-approve, .comm-mod-remove, .comm-mod-pin { flex: 1; text-align: center; }
}

/* ═══════════════════════════════════════════════════════════════════
   SMALL PHONE — 380px  (iPhone SE, Galaxy A series budget)
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 380px) {
  :root { --content-pad: 8px; }

  .tab  { padding: 8px; }
  .card { padding: 10px 12px; border-radius: 10px; }

  /* Hide non-essential labels */
  .tb-title { display: none; }
  .nl { font-size: 10px; }

  /* Topbar */
  .topbar { height: 48px; }
  .app-content { padding-top: 48px; }

  /* Sub-nav — full width pills */
  .stab { font-size: 8.5px; padding: 4px 5px; }

  /* Salary calculator */
  .sal-calc-result { flex-direction: column; text-align: center; }

  /* Plans — single column, compact */
  .atp-cards-grid { grid-template-columns: 1fr; gap: 10px; }
  .atp-plan-card  { padding: 16px; }
  .atp-plan-price { font-size: 1.8rem; }

  /* Community */
  .comm-filter-pills { overflow-x: auto; flex-wrap: nowrap; gap: 4px; }
  .comm-filter { flex-shrink: 0; font-size: 9px; }

  /* Analytics — single column */
  .analytics-grid { grid-template-columns: 1fr 1fr; }

  /* Mode selector — icons only */
  .at-mode-label { display: none; }
  .at-mode-icon-wrap { width: 36px; height: 36px; font-size: 16px; }

  /* Nodes — very compact */
  .at-nodes-grid { grid-template-columns: repeat(3,1fr); gap: 4px; }
  .at-node-label { font-size: 8px; }

  /* Buttons — max 2 per row */
  .btn-group { flex-wrap: wrap; }
  .btn-group > * { flex: 1 1 calc(50% - 4px); font-size: 11px; }
}

/* ═══════════════════════════════════════════════════════════════════
   EXTRA SMALL — 320px  (old iPhones, small Androids, watches)
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 320px) {
  .tab  { padding: 6px; }
  .card { padding: 8px 10px; }
  .btn-p, .btn-outline { font-size: 11px; padding: 8px 12px; }
  .stab { font-size: 8px; padding: 4px; }
  .analytics-grid { grid-template-columns: 1fr; }
  .at-nodes-grid  { grid-template-columns: repeat(2,1fr); }
  .g2,.g3,.g4     { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE SIDEBAR OVERLAY SYSTEM
   ═══════════════════════════════════════════════════════════════════ */
.mobile-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 998;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

@media (max-width: 1024px) {
  .mobile-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity .25s; }
  .mobile-overlay.active { opacity: 1; pointer-events: all; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); box-shadow: 8px 0 40px rgba(0,0,0,.6); }
}

/* ═══════════════════════════════════════════════════════════════════
   TOUCH & POINTER OPTIMISATIONS
   ═══════════════════════════════════════════════════════════════════ */
@media (hover: none) and (pointer: coarse) {
  /* Larger tap targets on touch devices */
  .btn-p, .btn-outline, .btn-gold { min-height: 44px; }
  .stab  { min-height: 40px; padding-top: 10px; padding-bottom: 10px; }
  .ntab  { min-height: 42px; }
  input, select, textarea { min-height: 44px; font-size: 16px !important; }

  /* Remove hover effects that don't make sense on touch */
  .card:hover { transform: none; }
  .ntab:hover { transform: none; }
  .at-node-card:hover { transform: none; }

  /* Larger close/action buttons */
  .im-close, .modal-close { width: 44px; height: 44px; font-size: 20px; }

  /* Ensure scrollable areas have momentum scrolling */
  .sub-nav, .at-int-scroll-wrap, .im-cats, .sidebar {
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   LANDSCAPE PHONE — handles rotated phones
   ═══════════════════════════════════════════════════════════════════ */
@media (max-height: 500px) and (orientation: landscape) {
  .topbar { height: 46px; }
  .sidebar { top: 46px; height: calc(100vh - 46px); }
  .app-content { padding-top: 46px; }
  .tab { padding: 8px 12px; }
  .g2  { grid-template-columns: 1fr 1fr; }
  .wf-tab-hero { padding: 10px; }
  .wf-hero-right { display: none; }
  .atp-hero { padding: 10px; }
  .atp-hero-counter { font-size: 1.8rem; }
  .modal-inner, .im-modal { max-height: 90vh; overflow-y: auto; }
}

/* ═══════════════════════════════════════════════════════════════════
   HIGH-DENSITY / RETINA DISPLAYS
   ═══════════════════════════════════════════════════════════════════ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .card::before { background: linear-gradient(135deg, rgba(255,255,255,.035) 0%, rgba(255,255,255,0) 50%); }
  .bdg.world { box-shadow: 0 0 0 0.5px rgba(247,206,91,.3); }
}

/* ═══════════════════════════════════════════════════════════════════
   DARK MODE PREFERENCE (already dark — add light mode support)
   ═══════════════════════════════════════════════════════════════════ */
@media (prefers-color-scheme: light) {
  /* App is dark-first — respect user preference if they want it even lighter */
  /* Currently the design is intentionally dark (space theme) — override only critical contrast */
  :root {
    --text-contrast-boost: 1.1;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   REDUCED MOTION — accessibility
   ═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .bdg.world { animation: none; }
  .dot-pulse  { animation: none; opacity: 1; }
  .wf-live-dot { animation: none; opacity: 1; }
  .at-mode-check { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   PRINT — clean printable output
   ═══════════════════════════════════════════════════════════════════ */
@media print {
  .sidebar, .topbar, .sub-nav, .btn-p, .btn-outline,
  .btn-gold, .mobile-overlay, .im-overlay, .notif-bell-wrap,
  .tb-right, .sb-toggle { display: none !important; }

  .app-content { margin-left: 0 !important; padding-top: 0 !important; }
  .tab { padding: 0 !important; }
  .card { border: 1px solid #ccc !important; box-shadow: none !important; break-inside: avoid; }
  body { background: #fff !important; color: #000 !important; }
  .wf-hero-title, h1, h2, h3 { color: #000 !important; -webkit-text-fill-color: #000 !important; }
  .tab { display: block !important; }
  .g2, .g3 { grid-template-columns: 1fr 1fr; }
  .g4 { grid-template-columns: repeat(2,1fr); }
}

/* ═══════════════════════════════════════════════════════════════════
   WORLD-FIRST RESPONSIVE INNOVATIONS
   ═══════════════════════════════════════════════════════════════════ */

/* Fluid typography — scales smoothly across all devices */
.wf-hero-title   { font-size: clamp(1.2rem, 4vw, 2.4rem); line-height: 1.2; }
.wf-hero-desc    { font-size: clamp(11px, 1.8vw, 15px); }
.atp-hero-counter { font-size: clamp(2rem, 6vw, 4rem); }
.sal-stat-num    { font-size: clamp(1.2rem, 3vw, 2rem); }
.pt              { font-size: clamp(1.1rem, 3.5vw, 2rem); }

/* Fluid spacing — smooth scale from mobile to 4K */
.tab { padding: clamp(10px, 3vw, 32px); }

/* Adaptive card grid — fills any screen width perfectly */
.adaptive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: clamp(10px, 2vw, 20px);
}

/* Responsive table wrapper — horizontal scroll on small screens */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 10px;
}
.table-wrap table { min-width: 600px; }

/* Safe area insets — iPhone notch/home bar */
@supports (padding: max(0px)) {
  .topbar  { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
  .sidebar { padding-bottom: max(20px, env(safe-area-inset-bottom)); }
  .tab     { padding-bottom: max(20px, env(safe-area-inset-bottom)); }
}

/* Container query fallback — ensures cards never overflow their parent */
.card { max-width: 100%; box-sizing: border-box; }
*, *::before, *::after { box-sizing: border-box; }

/* Overflow guard — prevents horizontal scroll on any screen */
body { overflow-x: hidden; }
.tab, .app-content { overflow-x: hidden; }

/* Image responsiveness */
img, video, iframe { max-width: 100%; height: auto; }
iframe { border-radius: 8px; }

/* Responsive scrollbars — thinner on touch devices */
@media (pointer: coarse) {
  ::-webkit-scrollbar { width: 0; height: 0; }
}

/* ── Focus styles for keyboard/accessibility ─────────────────────── */
:focus-visible {
  outline: 2px solid var(--aurora-cyan, #00f0ff);
  outline-offset: 2px;
  border-radius: 4px;
}