/* ============================================================
   YancoTab — Window Chrome (iPadOS Stage Manager Style)
   Floating, draggable, resizable app windows
   ============================================================ */

/* ── Scrim (background overlay) ── */
@keyframes scrimFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.window-chrome__scrim {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: calc(var(--z-window) - 1);
  animation: scrimFadeIn 0.3s var(--ease-out) both;
  pointer-events: auto;
}

body.theme-light .window-chrome__scrim {
  background: rgba(0, 0, 0, 0.2);
}

/* ── Window Container ── */
@keyframes windowOpen {
  from {
    opacity: 0;
    transform: scale(0.88) translateY(30px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes windowClose {
  from {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  to {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
}

.window-chrome {
  position: fixed;
  left: 12.5%;
  top: 8%;
  width: 75%;
  height: 84%;
  min-width: 320px;
  min-height: 240px;
  z-index: var(--z-window);
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  pointer-events: auto;
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.5),
    0 8px 20px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(var(--accent-rgb), 0.12),
    var(--inner-glow);
  animation: windowOpen 0.35s var(--ease-spring) both;
}

.window-chrome--closing {
  animation: windowClose 0.25s var(--ease-out) both;
  pointer-events: none;
}

.window-chrome--fullscreen {
  left: 0 !important;
  top: 0 !important;
  width: 100% !important;
  height: 100% !important;
  border-radius: 0;
  transition: left 0.35s var(--ease-spring),
              top 0.35s var(--ease-spring),
              width 0.35s var(--ease-spring),
              height 0.35s var(--ease-spring),
              border-radius 0.35s var(--ease-spring);
}

.window-chrome--dragging,
.window-chrome--resizing {
  transition: none !important;
  will-change: left, top, width, height;
}

.window-chrome--dragging * {
  user-select: none !important;
  pointer-events: none !important;
}

.window-chrome--dragging .window-chrome__titlebar,
.window-chrome--dragging .window-chrome__traffic {
  pointer-events: auto !important;
}

body.theme-light .window-chrome {
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.18),
    0 6px 16px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(var(--accent-rgb), 0.1),
    var(--inner-glow);
}

/* ── Title Bar ── */
.window-chrome__titlebar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  position: relative;
  height: 38px;
  padding: 0 14px;
  background: rgba(6, 11, 20, 0.92);
  -webkit-backdrop-filter: blur(32px) saturate(1.6);
  backdrop-filter: blur(32px) saturate(1.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  cursor: grab;
  -webkit-user-select: none;
  user-select: none;
}

.window-chrome--dragging .window-chrome__titlebar {
  cursor: grabbing;
}

.window-chrome--fullscreen .window-chrome__titlebar {
  cursor: default;
}

body.theme-light .window-chrome__titlebar {
  background: rgba(245, 245, 247, 0.85);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* ── Title Text ── */
.window-chrome__title {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  pointer-events: none;
}

/* ── Traffic Light Buttons ── */
.window-chrome__traffic {
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2;
  flex-shrink: 0;
}

.window-chrome__traffic button {
  width: 13px;
  height: 13px;
  border: 0.5px solid rgba(0, 0, 0, 0.15);
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: filter 0.15s, transform 0.15s;
}

.window-chrome__traffic button:active {
  transform: scale(0.85);
}

.window-chrome__btn-close {
  background: #ff5f57;
}

.window-chrome__btn-fullscreen {
  background: #27c93f;
}

/* Button icons — hidden by default, visible on window hover */
.window-chrome__btn-icon {
  width: 8px;
  height: 8px;
  opacity: 0;
  transition: opacity 0.12s;
  pointer-events: none;
}

.window-chrome:hover .window-chrome__btn-icon {
  opacity: 1;
}

/* Hover glow on buttons */
.window-chrome__btn-close:hover {
  filter: brightness(1.15);
}

.window-chrome__btn-fullscreen:hover {
  filter: brightness(1.15);
}

/* ── Content Area ── */
.window-chrome__content {
  position: relative;
  flex: 1;
  min-height: 0;
  z-index: 1;
  overflow: hidden;
  background: var(--bg);
  color: var(--text-bright);
  font-family: var(--font-sans);
}

/* ── Resize Handles ── */
.window-chrome__resize-handle {
  position: absolute;
  z-index: 3;
}

/* Edge handles */
.window-chrome__resize-handle--n {
  top: -3px;
  left: 12px;
  right: 12px;
  height: 6px;
  cursor: n-resize;
}

.window-chrome__resize-handle--s {
  bottom: -3px;
  left: 12px;
  right: 12px;
  height: 6px;
  cursor: s-resize;
}

.window-chrome__resize-handle--w {
  left: -3px;
  top: 12px;
  bottom: 12px;
  width: 6px;
  cursor: w-resize;
}

.window-chrome__resize-handle--e {
  right: -3px;
  top: 12px;
  bottom: 12px;
  width: 6px;
  cursor: e-resize;
}

/* Corner handles */
.window-chrome__resize-handle--nw {
  top: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  cursor: nw-resize;
}

.window-chrome__resize-handle--ne {
  top: -3px;
  right: -3px;
  width: 14px;
  height: 14px;
  cursor: ne-resize;
}

.window-chrome__resize-handle--sw {
  bottom: -3px;
  left: -3px;
  width: 14px;
  height: 14px;
  cursor: sw-resize;
}

.window-chrome__resize-handle--se {
  bottom: -3px;
  right: -3px;
  width: 14px;
  height: 14px;
  cursor: se-resize;
}

/* Hide resize handles in fullscreen */
.window-chrome--fullscreen .window-chrome__resize-handle {
  display: none;
}

/* ── Hide app-internal headers when wrapped in window chrome ── */
.window-chrome .clock-header,
.window-chrome .calc-header,
.window-chrome .ys-header,
.window-chrome .bb-header,
.window-chrome .snake-header,
.window-chrome .ttt-header,
.window-chrome .ms-header,
.window-chrome .sol-header,
.window-chrome .mj-header,
.window-chrome .yf-header,
.window-chrome .notes-header,
.window-chrome .memory-header,
.window-chrome .weather-topbar,
.window-chrome .todo-main-header {
  display: none !important;
}

/* ── Mobile fallback (< 768px) ── */
@media (max-width: 767px) {
  .window-chrome {
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0;
    box-shadow: none;
  }

  .window-chrome__resize-handle {
    display: none !important;
  }

  .window-chrome__btn-fullscreen {
    display: none;
  }

  .window-chrome__scrim {
    display: none;
  }

  .window-chrome__titlebar {
    cursor: default;
  }
}

/* ── Landscape + mobile glass chrome bottom offset ── */
.is-mobile .window-chrome:not(.window-chrome--fullscreen) {
  max-height: calc(100% - 80px - var(--safe-bottom, 0px) - 16px);
}

/* ── Light Mode — Title Bar & Scrim ── */
body.theme-light .window-chrome__traffic button {
  border-color: rgba(0, 0, 0, 0.2);
}