/* ============================================================
   Kips Template — Layout
   Top Bar (sticky) | Workspace (sidepanel + stage) | Bottom Toolbar | Footer
   ============================================================ */

.kips-app {
  display: grid;
  grid-template-rows: var(--kt-topbar-h) auto 1fr var(--kt-bottombar-h) auto;
  grid-template-areas:
    "top"
    "pages"
    "work"
    "bot"
    "foot";
  height: 100dvh;
  width: 100%;
  overflow: hidden;
  background: var(--kt-surface-0);
}

/* TOP BAR */
.kips-topbar {
  grid-area: top;
  z-index: var(--kt-z-topbar);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--kt-s-3);
  padding: 0 var(--kt-s-4);
  background: var(--kt-surface-1);
  border-bottom: 1px solid var(--kt-border);
  box-shadow: var(--kt-shadow-1);
}
.kips-topbar__left,
.kips-topbar__right {
  display: flex; align-items: center; gap: var(--kt-s-2);
  min-width: 0;
}
.kips-topbar__right { justify-content: flex-end; }
.kips-topbar__center {
  display: flex; align-items: center; gap: var(--kt-s-2);
  justify-self: center;
}
.kips-topbar__divider {
  width: 1px; height: 22px; background: var(--kt-border);
}

/* WORKSPACE */
.kips-workspace {
  grid-area: work;
  position: relative;
  display: grid;
  grid-template-columns: var(--kt-sidepanel-w) 1fr;
  min-height: 0;
}
.kips-sidepanel {
  position: relative;
  background: var(--kt-surface-1);
  border-right: 1px solid var(--kt-border);
  z-index: var(--kt-z-sidepanel);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.kips-sidepanel__inner {
  display: flex; flex-direction: column;
  height: 100%;
}
.kips-sidepanel__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--kt-s-4); gap: var(--kt-s-3);
  border-bottom: 1px solid var(--kt-border);
}
.kips-sidepanel__title { margin: 0; font-size: 15px; font-weight: 600; }
.kips-sidepanel__body {
  flex: 1; min-height: 0; overflow: auto;
  padding: var(--kt-s-3) var(--kt-s-4) var(--kt-s-6);
  scrollbar-width: thin;
  scrollbar-color: var(--kt-border-strong) transparent;
}
/* Side panel close (X) button. Always available on every viewport so
   the user can collapse the panel when they don't need it. On mobile
   it slides the bottom-sheet down; on desktop it folds the docked
   panel away from the workspace grid. */
.kips-sidepanel__close { display: inline-flex; }

/* Desktop close behaviour for the docked side panel.
   When PanelManager.close() sets data-open="false", we collapse the
   panel column to width: 0 with a smooth transition and let the
   workspace grid reflow so the canvas takes the full width. The
   bottom-sheet rule under @media (max-width: 767px) overrides this
   with its own translateY transform, so mobile is unaffected. */
.kips-sidepanel {
  transition: width var(--kt-dur-2, 200ms) var(--kt-ease-out, ease),
              opacity var(--kt-dur-1, 140ms) var(--kt-ease-out, ease);
}
:root[data-kips-panel="closed"] .kips-workspace { grid-template-columns: 0 1fr; }
:root[data-kips-panel="closed"] .kips-sidepanel { width: 0; opacity: 0; pointer-events: none; }
@media (max-width: 1199px) {
  :root[data-kips-panel="closed"] .kips-workspace { grid-template-columns: 0 1fr; }
}
/* On mobile (bottom-sheet), reset the desktop collapse so it doesn't
   accidentally hide the sheet — the slide transform fully owns the
   open/closed visual on small viewports. */
@media (max-width: 767px) {
  :root[data-kips-panel="closed"] .kips-workspace { grid-template-columns: 1fr; }
  :root[data-kips-panel="closed"] .kips-sidepanel { width: auto; opacity: 1; pointer-events: auto; }
}

/* STAGE */
.kips-stage {
  position: relative;
  background: var(--kt-stage-bg);
  overflow: hidden;
  contain: strict;
  z-index: var(--kt-z-stage);
}
.kips-stage__viewport {
  position: absolute; inset: 0;
  overflow: hidden;
  touch-action: none;
  cursor: default;
  background-image:
    linear-gradient(var(--kt-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--kt-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 50% 50%;
}
.kips-stage__paper {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: var(--kt-paper-bg);
  box-shadow: var(--kt-shadow-3);
  border-radius: 2px;
  will-change: transform, width, height;
}
.kips-stage__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; /* events handled by viewport router */
  image-rendering: auto;
}
#kips-overlay-canvas { z-index: 3; }
#kips-scene-canvas    { z-index: 2; }
#kips-bg-canvas       { z-index: 1; }
.kips-stage__hud {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
}

/* BOTTOM TOOLBAR */
.kips-bottombar {
  grid-area: bot;
  z-index: var(--kt-z-bottombar);
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: var(--kt-s-1);
  padding: 6px 8px;
  background: var(--kt-surface-1);
  border-top: 1px solid var(--kt-border);
  box-shadow: 0 -1px 0 var(--kt-border) inset;
}

/* FOOTER */
.kips-footer {
  grid-area: foot;
  /* Keep the brand and the legal links on the same line. The previous
     `flex-wrap: wrap` would push KIPS TECHNOLOGY 2026 to its own row
     on narrow viewports, which broke the rhythm with Privasi /
     Ketentuan / Kontak. We now stay on one row, ellipsise the brand
     if it really cannot fit, and shrink the inner gap on phones to
     reserve space. */
  display: flex; flex-wrap: nowrap; align-items: center; justify-content: space-between;
  gap: var(--kt-s-3);
  padding: 8px 16px;
  background: var(--kt-surface-1);
  border-top: 1px solid var(--kt-border);
  font-size: 11.5px;
  color: var(--kt-text-3);
  white-space: nowrap;
  min-width: 0;
}
.kips-footer__links {
  display: flex; gap: 14px;
  min-width: 0; flex: 0 1 auto;
  overflow: hidden;
}
.kips-footer__links a {
  color: var(--kt-text-2); text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--kt-dur-1) var(--kt-ease-out), border-color var(--kt-dur-1) var(--kt-ease-out);
}
.kips-footer__links a:hover { color: var(--kt-text-1); border-color: var(--kt-border-strong); }
.kips-footer__brand {
  font-weight: 600; letter-spacing: 0.14em; color: var(--kt-text-2);
  flex: 0 0 auto;
  white-space: nowrap;
}

/* Phones: the brand needs a touch less letter-spacing + a smaller
   font so it stays inline with Privasi / Ketentuan / Kontak even at
   ~360px viewports. Same row, no wrap, no overflow. */
@media (max-width: 540px) {
  .kips-footer { padding: 8px 12px; gap: 8px; font-size: 10.5px; }
  .kips-footer__links { gap: 10px; }
  .kips-footer__brand { letter-spacing: 0.10em; font-size: 10px; }
}

/* Ad slot */
.kips-ad {
  min-height: 0;
  display: none;
}
.kips-ad[data-active="true"] { display: block; }

/* RESPONSIVE: Tablet */
@media (max-width: 1199px) {
  .kips-workspace { grid-template-columns: var(--kt-sidepanel-w-md) 1fr; }
}

/* RESPONSIVE: Mobile (sidepanel becomes bottom-sheet) */
@media (max-width: 767px) {
  .kips-workspace { grid-template-columns: 1fr; }
  .kips-sidepanel {
    position: fixed; left: 0; right: 0; bottom: var(--kt-bottombar-h);
    top: auto;
    height: 80dvh;                                         /* fixed height so body can scroll */
    max-height: calc(100dvh - var(--kt-topbar-h) - var(--kt-bottombar-h) - 16px);
    border-right: none; border-top: 1px solid var(--kt-border);
    border-radius: 24px 24px 0 0;
    transform: translateY(calc(100% + var(--kt-bottombar-h)));
    transition: transform var(--kt-dur-3) var(--kt-ease-out);
    box-shadow: var(--kt-shadow-3);
  }
  .kips-sidepanel[data-open="true"] { transform: translateY(0); }
  /* On mobile the X is part of the sliding bottom-sheet; the rule
     above already shows it on every viewport, so this redundant
     inline-flex declaration was removed during the desktop close
     fix. */
  /* Drag handle aesthetic */
  .kips-sidepanel::before {
    content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    width: 44px; height: 5px; border-radius: 999px; background: var(--kt-border-strong);
    opacity: .55;
  }
  .kips-sidepanel__head { padding-top: 22px; }
}

/* Mobile: smaller top bar */
@media (max-width: 540px) {
  .kips-topbar { grid-template-columns: auto 1fr auto; padding: 0 var(--kt-s-2); }
  .kips-topbar__center .kips-zoom { display: none; }
  .kips-brand__name { display: none; }
  /* Hide the small brand mark on mobile — it visually crowded the
     space between the hamburger and the "+" new-page button on
     phones. Desktop keeps the full brand badge (mark + name). */
  .kips-brand__mark { display: none; }
  .kips-brand { display: none; }
  /* The divider between the brand and the "+" loses its purpose once
     the brand is hidden, so hide it too to avoid an orphan vertical
     line floating next to the hamburger. */
  .kips-topbar__left .kips-topbar__divider { display: none; }
}

/* Performance HUD */
.kips-perfhud {
  position: absolute; top: 12px; right: 12px;
  z-index: var(--kt-z-perfhud);
  display: flex; gap: 10px; padding: 6px 10px;
  background: var(--kt-surface-elev);
  border: 1px solid var(--kt-border);
  border-radius: var(--kt-radius-pill);
  font-family: var(--kt-font-mono); font-size: 11px;
  color: var(--kt-text-2);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
}
.kips-perfhud b { color: var(--kt-text-1); font-weight: 600; }