/* ============ RESPONSIVE ============ */

/* Auth pages: collapse the marketing aside when the split-screen no longer fits.
   (Lives here, not in _auth.scss, so it wins over the later default rules there.) */
@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}

@media (max-width: 1200px) {
  /* Dashboard */
  .sv-regions { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .sv-radials { grid-template-columns: 1fr; gap: 18px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* Email */
  .mail-shell { grid-template-columns: 200px 1fr; height: auto; min-height: 0; }
  .mail-reader { display: none; }

  /* Calendar */
  .cal-shell { grid-template-columns: 240px 1fr; }
  .cal-grid { grid-auto-rows: minmax(96px, 1fr); }
}

@media (max-width: 1100px) {
  .shell { grid-template-columns: 72px 1fr; }
  .d-sidebar {
    padding: 20px 10px;
    overflow-y: auto;   /* allow scroll on short viewports (e.g. 750×590) */
    overflow-x: hidden;
    z-index: 20;
  }
  .brand-text, .brand-tag, .nav-label, .nav-link > span:not(.nav-badge), .nav-link .nav-badge,
  .workspace-text, .workspace-chev, .nav-link .chev { display: none; }
  .brand { justify-content: center; padding: 0 0 18px; }
  .nav-link { justify-content: center; padding: 10px; }
  .nav-link.is-active::before { left: -10px; }
  .workspace { justify-content: center; padding: 6px; }
  .col-6 { grid-column: span 12; }

  /* Rail-mode flyout submenu: positioned via JS as position:fixed so the
     sidebar can scroll (overflow-y: auto above) without clipping the flyout,
     and so it can be shifted up to fit when opened near the viewport bottom. */
  .nav-submenu {
    position: fixed;
    left: 82px;          /* fallback; JS overwrites with trigger's getBoundingClientRect */
    top: 0;
    width: 200px;
    max-height: 0;
    margin-left: 0;
    padding: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    z-index: 50;
    transition: opacity 180ms ease, visibility 180ms;
  }
  .nav-submenu::before { display: none; }
  .nav-item-group.is-open .nav-submenu {
    max-height: 400px;
    padding: 6px 0;
    opacity: 1;
    visibility: visible;
  }
  .nav-submenu a { padding: 8px 14px; font-size: 13px; border-radius: 6px; margin: 0 6px; }
  .nav-submenu a:hover { padding-left: 14px; }

  /* Chat */
  .chat-shell { grid-template-columns: 240px 1fr; }
}

@media (max-width: 720px) {
  /* ---- Shell / sidebar drawer ----
     Sidebar becomes position:fixed (off-grid), so collapse the grid to a
     single column — otherwise .main is auto-placed into the empty column-1
     (0px) and disappears. */
  .shell { display: block; }
  .d-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 280px;
    height: 100vh;
    z-index: 100;                 /* above backdrop (90) */
    transform: translateX(-100%);
    transition: transform 240ms cubic-bezier(.2,.7,.2,1);
    box-shadow: 0 12px 40px -8px rgb(0 0 0 / 0.4);

    /* Restore full-width nav (override the 1100px collapse) */
    padding: 22px 16px 18px;
    overflow-y: auto;             /* override 1100px rail-mode 'visible' so long menus scroll */
    overscroll-behavior: contain;
  }
  .brand-text, .brand-tag, .nav-label, .nav-link > span:not(.nav-badge), .nav-link .nav-badge,
  .workspace-text, .workspace-chev, .nav-submenu, .nav-link .chev { display: revert; }
  .brand { justify-content: flex-start; padding: 4px 10px 20px; }
  .nav-link { justify-content: flex-start; padding: 9px 12px; }
  .workspace { justify-content: flex-start; padding: 6px 10px; }

  /* Revert rail-mode flyout submenu back to inline-accordion (desktop) behavior.
     Without this, the absolute-positioned flyout from the 1100px block leaks
     into mobile and the submenu pops out as a floating card next to the drawer. */
  .nav-item-group { position: static; }
  .nav-submenu {
    position: static;
    left: auto; top: auto;
    width: auto;
    margin-left: 20px;
    padding: 0 0 0 14px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    max-height: 0;
    transition: max-height 280ms cubic-bezier(.4,0,.2,1);
  }
  .nav-submenu::before { display: block; }
  .nav-item-group.is-open .nav-submenu {
    max-height: 400px;
    padding: 4px 0 6px 14px;
    opacity: 1;
    visibility: visible;
  }
  .nav-submenu a { margin: 0; padding: 7px 10px; font-size: 12.5px; border-radius: 6px; }
  .nav-submenu a:hover { padding-left: 13px; }

  body.has-drawer-open .d-sidebar { transform: translateX(0); }
  body.has-drawer-open { overflow: hidden; }   /* lock scroll behind backdrop */

  .hamburger { display: inline-flex; }

  /* ---- Topbar: aggressive de-clutter ---- */
  .d-topbar { padding: 0 12px; }
  .topbar-actions { gap: 2px; }

  /* Crumbs eat horizontal space — hide everything except the active page */
  .crumbs { gap: 6px; min-width: 0; flex: 1; overflow: hidden; }
  .crumbs > span:not(.current), .crumbs .sep { display: none; }
  .crumbs .current { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* Search becomes its own icon-button (text + kbd hidden, padding tightened) */
  .cmd { min-width: 0; padding: 0; width: 36px; height: 36px; justify-content: center; }
  .cmd span, .cmd .kbd { display: none; }
  .cmd svg { width: 16px; height: 16px; }

  /* Trim avatar margin */
  .avatar { margin-left: 2px; }

  /* ---- Dropdowns: prevent off-screen overflow ---- */
  .dd-menu {
    min-width: 0;
    width: calc(100vw - 16px);
    max-width: 360px;
    right: -8px;            /* pin to viewport edge minus topbar padding (12px) */
  }
  .dd-menu.dd-profile {
    width: calc(100vw - 16px);
    max-width: 280px;
  }

  /* ---- Content / hero / footer ---- */
  .content { padding: 20px 16px 16px; }
  .d-footer { padding: 20px 16px; flex-direction: column; gap: 10px; align-items: flex-start; }
  .hero { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero-actions { flex-wrap: wrap; }

  /* ---- Generic grid ---- */
  .grid { gap: 16px; }

  /* ---- Dashboard ---- */
  .kpi-grid { grid-template-columns: 1fr; }
  .sv-regions { grid-template-columns: 1fr; gap: 22px; }
  .monthly-footer { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .wx-forecast { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .wx-hero { flex-direction: column; align-items: flex-start; gap: 12px; }
  .wx-date { text-align: left; }
  .sales-summary { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Card breathing room */
  .card { padding: 18px; }
  .card-head { flex-wrap: wrap; gap: 10px; }

  /* ---- Charts page ---- */
  .chart-canvas-wrap { min-height: 200px; }

  /* ---- Tables: ensure horizontal scroll fallback ---- */
  .data-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .data-toolbar-left, .data-toolbar-right { min-width: 0; flex-wrap: wrap; }
  .data-foot { flex-direction: column; gap: 12px; align-items: flex-start; }

  /* ---- Email ---- */
  .mail-shell { grid-template-columns: 1fr; }
  .mail-rail { display: none; }
  .mail-hero { flex-direction: column; align-items: flex-start; gap: 16px; }

  /* ---- Chat ----
     Drop the fixed-viewport layout on mobile — let the whole page scroll
     instead of a nested overflow-y on .chat-thread (touch scrolling inside
     a clipped flex parent is fiddly on iOS Safari). Restore the rail as a
     capped, stacked section above the thread so users can still see who
     they're chatting with. */
  .chat-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
    overflow: visible;
  }
  .chat-rail {
    display: flex;
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
    max-height: 260px;
  }
  .chat-pane { overflow: visible; }
  .chat-pane-head { padding: 12px 16px; }
  .chat-thread {
    flex: 0 0 auto;
    overflow: visible;
    padding: 16px;
  }
  .chat-composer { padding: 12px 16px 16px; }

  /* ---- Calendar ---- */
  .cal-shell { grid-template-columns: 1fr; }
  .cal-toolbar { flex-wrap: wrap; gap: 10px; padding: 14px; }
  .cal-toolbar-left { width: 100%; justify-content: space-between; }
  .cal-views { order: 3; }
  .cal-grid { grid-auto-rows: minmax(78px, 1fr); }
  .cal-weekdays > div { padding: 8px 6px; font-size: 9px; letter-spacing: 0.1em; }
  .cal-cell { padding: 5px; }
  .cal-chip-time { display: none; }

  /* ---- Compose page (inline-styled form rows) ---- */
  .compose-row { grid-template-columns: 1fr !important; gap: 6px !important; }
  .compose-row-actions { justify-content: flex-start !important; }

  /* ---- Auth pages ---- */
  .auth-main { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .monthly-footer { grid-template-columns: 1fr; }
  .wx-forecast { grid-template-columns: repeat(2, 1fr); }
  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .btn { width: 100%; justify-content: center; }
  .form-actions .spacer { display: none; }
  .social-row { grid-template-columns: 1fr; }
}