/* ============================================================
   PREDATOR HUD / QUANTANON -- mobile.css
   Mobile-responsive overrides. Preserves cyberpunk dark theme.
   Breakpoints: 768px (phone), 1024px (tablet)
   ============================================================ */

/* ───────── Mobile detection helper ───────── */
/* JS adds .is-mobile to <body>; CSS uses media queries as primary */

/* ───────── Hamburger menu button (injected by JS) ───────── */
.mobile-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--q-border);
  border-radius: var(--radius);
  color: var(--q-cyan);
  font-size: 22px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  place-items: center;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.mobile-hamburger:hover {
  border-color: var(--q-cyan);
  box-shadow: var(--q-cyan-glow);
}

/* ───────── Tablet breakpoint (<=1024px) ───────── */
@media (max-width: 1024px) {
  /* Grids collapse to 2 columns */
  .q-grid--3 { grid-template-columns: repeat(2, 1fr); }

  /* Workspace side panel stacks */
  .super-canvas { grid-template-columns: 1fr; }
  .super-side { position: static; }

  /* Monte Carlo summary */
  .mc-summary { grid-template-columns: repeat(2, 1fr); }

  /* Results grid */
  .results-grid { grid-template-columns: 1fr 1fr; }

  /* Route padding reduce */
  .route { padding: var(--sp-4) var(--sp-5); }
}

/* ───────── Phone breakpoint (<=768px) ───────── */
@media (max-width: 768px) {
  /* ---------- Body layout: single column, allow scroll ---------- */
  body {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    overflow: auto;
    overflow-x: hidden;
    height: auto;
    min-height: 100vh;
  }

  /* ---------- Sidebar: off-canvas drawer ---------- */
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 260ms ease;
    overflow-y: auto;
    /* Ensure sidebar has solid background so content below doesn't show through */
    background: var(--q-bg, #07090d);
    border-right: 1px solid var(--q-border, rgba(0,255,200,0.15));
  }
  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: 4px 0 40px rgba(0, 0, 0, 0.8);
  }

  /* Backdrop when sidebar is open */
  .mobile-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7, 9, 13, 0.75);
    z-index: 199;
    backdrop-filter: blur(3px);
  }
  .mobile-backdrop.is-visible {
    display: block;
  }

  /* Show hamburger */
  .mobile-hamburger {
    display: inline-grid;
  }

  /* ---------- Topbar adjustments ---------- */
  .topbar {
    padding: 0 var(--sp-3);
    gap: var(--sp-2);
  }
  .topbar__title h1 {
    font-size: var(--fs-md);
    letter-spacing: 0.04em;
  }
  .topbar__title #routeIcon {
    font-size: var(--fs-lg);
  }
  .topbar__actions {
    gap: var(--sp-1);
  }
  /* Hide export button on mobile -- too wide */
  #exportPineBtn {
    display: none;
  }

  /* ---------- Main area ---------- */
  .main {
    grid-template-rows: var(--topbar-h) 1fr;
    min-height: 100vh;
  }

  /* ---------- Route containers ---------- */
  .route {
    padding: var(--sp-3) var(--sp-3);
    overflow-x: hidden;
  }

  /* ---------- Typography: bump minimums for readability ---------- */
  :root {
    --fs-xs:   11px;
    --fs-sm:   12px;
    --fs-base: 14px;
    --fs-md:   14px;
    --fs-lg:   16px;
  }

  /* ---------- Page headers ---------- */
  .q-page-header {
    padding: var(--sp-4) 0 var(--sp-5);
    margin-bottom: var(--sp-4);
  }
  .q-page-header__title {
    font-size: var(--fs-2xl);
  }
  .q-page-header__subtitle {
    font-size: var(--fs-sm);
  }

  /* ---------- All grids: single column ---------- */
  .q-grid--2,
  .q-grid--3,
  .q-grid--4 {
    grid-template-columns: 1fr;
  }

  .calc-grid,
  .results-grid,
  .super-paths {
    grid-template-columns: 1fr;
  }

  /* Workspace stacks */
  .workspace {
    grid-template-columns: 1fr;
  }
  .workspace__side {
    position: static;
  }

  /* Monte Carlo layout */
  .mc-layout {
    grid-template-columns: 1fr;
  }
  .mc-summary {
    grid-template-columns: 1fr 1fr;
  }

  /* Advisor: stack */
  .advisor {
    grid-template-columns: 1fr;
    height: auto;
  }
  .advisor__menu {
    max-height: 200px;
    overflow-y: auto;
  }

  /* ---------- Cards: full width, tighter padding ---------- */
  .q-card {
    padding: var(--sp-3);
    border-radius: var(--radius);
  }

  /* ---------- Buttons: touch-friendly (44px min tap target) ---------- */
  .q-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 10px 16px;
    font-size: var(--fs-sm);
  }
  .q-btn--big-cta {
    padding: 14px 20px;
    font-size: var(--fs-md);
    width: 100%;
  }

  /* Nav items: larger touch targets */
  .nav__item {
    padding: 12px 14px;
    min-height: 44px;
    font-size: var(--fs-base);
  }

  /* Chips: bigger touch targets */
  .q-chip {
    padding: 10px 14px;
    font-size: var(--fs-sm);
    min-height: 44px;
  }

  /* ---------- Tables: horizontal scroll ---------- */
  .q-tbl {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .q-tbl th,
  .q-tbl td {
    padding: 8px 12px;
    font-size: var(--fs-sm);
  }

  /* Compare table scroll */
  .compare-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ---------- Modal: full-width on phone ---------- */
  .modal__panel {
    max-width: 100%;
    width: calc(100% - 16px);
    max-height: 85vh;
    border-radius: var(--radius);
  }
  .modal__body {
    padding: var(--sp-4);
  }
  .modal__close {
    width: 36px;
    height: 36px;
    font-size: 24px;
  }

  /* ---------- Toast: full width bottom ---------- */
  .toast-wrap {
    left: 8px;
    right: 8px;
    bottom: 8px;
  }
  .toast {
    max-width: 100%;
  }

  /* ---------- Stat blocks ---------- */
  .q-stat__value {
    font-size: var(--fs-lg);
  }

  /* ---------- Form inputs: full width, readable ---------- */
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px !important; /* prevents iOS zoom on focus */
    min-height: 44px;
    width: 100%;
    box-sizing: border-box;
  }

  /* ---------- Sections: collapsible on mobile ---------- */
  .q-section__head {
    cursor: pointer;
    min-height: 44px;
  }

  /* ---------- Stepper / progress: compact ---------- */
  .q-stepper {
    flex-wrap: wrap;
    gap: 2px;
  }

  /* ---------- Pine preview: scroll ---------- */
  .pine-preview {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 11px;
  }

  /* ---------- Tour card: full width on phone ---------- */
  .q-tour-card {
    width: calc(100vw - 24px) !important;
    left: 12px !important;
    right: 12px !important;
    max-height: 80vh;
  }
  .q-tour-card__title {
    font-size: var(--fs-xl);
  }

  /* ---------- Chart containers: prevent overflow ---------- */
  .mc-chart-wrap canvas,
  canvas {
    max-width: 100%;
  }

  /* ---------- Row data: stack on very small screens ---------- */
  .q-row {
    padding: 8px var(--sp-3);
    gap: var(--sp-2);
  }

  /* ---------- Sidebar footer context card ---------- */
  .sidebar__footer .q-card {
    padding: var(--sp-3);
  }
  .sidebar__footer .q-btn {
    min-height: 40px;
  }

  /* ---------- Scrollbar: thinner on mobile ---------- */
  *::-webkit-scrollbar { width: 3px; height: 3px; }

  /* ---------- Chip groups: scroll horizontal if too many ---------- */
  .q-chip-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
}

/* ───────── Small phone (<=400px) ───────── */
@media (max-width: 400px) {
  :root {
    --fs-base: 14px;
    --fs-md: 14px;
  }

  .q-page-header__title {
    font-size: var(--fs-xl);
    letter-spacing: 0.04em;
  }

  .q-btn--big-cta {
    padding: 12px 16px;
    letter-spacing: 0.06em;
  }

  .mc-summary {
    grid-template-columns: 1fr;
  }

  .q-stat__value {
    font-size: var(--fs-md);
  }

  /* Stack q-row vertically on very small screens */
  .q-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  .q-row__value {
    align-self: flex-end;
  }
}
