/* ═══════════════════════════════════════════════════════════════
   Viewport windows — stable reading plane with P3R cut details
   ═══════════════════════════════════════════════════════════════ */

.desktop-window {
  --app-accent: #f2c66d;
  --app-accent-rgb: 242, 198, 109;
  position: absolute;
  min-width: 300px;
  min-height: 220px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--window-text);
  background:
    radial-gradient(circle at 78% 38%, rgba(89, 210, 230, 0.045), transparent 35%),
    var(--window-bg);
  backdrop-filter: blur(20px) saturate(0.8);
  border: 1px solid var(--window-border);
  border-radius: var(--window-radius);
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 0 100%);
  box-shadow: var(--window-shadow);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.desktop-window[data-window-type="about"] {
  --app-accent: #f2c66d;
  --app-accent-rgb: 242, 198, 109;
}
.desktop-window[data-window-type="timeline"] {
  --app-accent: #59d2e6;
  --app-accent-rgb: 89, 210, 230;
}
.desktop-window[data-window-type="timeline"] .window-content {
  padding: 0;
  overflow: hidden;
}
.desktop-window[data-window-type="timeline"].media-themed-window {
  background:
    radial-gradient(circle at 82% 22%, rgba(var(--app-secondary-rgb), .14), transparent 34%),
    linear-gradient(132deg, rgba(var(--app-accent-rgb), .115), transparent 48%),
    var(--window-bg);
}
.desktop-window[data-window-type="timeline"].media-themed-window .window-titlebar {
  background:
    linear-gradient(96deg, rgba(var(--app-accent-rgb), .28), rgba(var(--app-secondary-rgb), .12) 46%, rgba(5,10,19,.94) 82%),
    var(--window-titlebar-bg);
  border-bottom-color: rgba(var(--app-accent-rgb), .34);
}
.desktop-window[data-window-type="timeline"].media-themed-window .window-content::before,
.desktop-window[data-window-type="timeline"].media-themed-window .window-content::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.desktop-window[data-window-type="timeline"].media-themed-window .window-content::before {
  inset: -28px;
  opacity: .17;
  background: var(--media-window-art, none) center / cover no-repeat;
  filter: blur(22px) saturate(.86) brightness(.82);
  transform: scale(1.06);
}
.desktop-window[data-window-type="timeline"].media-themed-window .window-content::after {
  opacity: .66;
  background:
    linear-gradient(112deg, rgba(4,9,17,.93) 0 22%, rgba(4,9,17,.54) 52%, rgba(4,9,17,.78)),
    linear-gradient(90deg, transparent 49.8%, rgba(var(--app-accent-rgb), .16) 50%, transparent 50.2%),
    repeating-linear-gradient(120deg, transparent 0 96px, rgba(var(--app-secondary-rgb), .035) 97px 98px);
}
.desktop-window[data-window-type="timeline"].media-themed-window .window-content > * { position: relative; z-index: 1; }
.desktop-window[data-window-type="timeline"].media-theme-enter .window-content::before {
  animation: media-window-art-in 460ms ease-out both;
}
@keyframes media-window-art-in {
  from { opacity: 0; filter: blur(34px) saturate(.72) brightness(.68); transform: scale(1.1); }
  to { opacity: .17; filter: blur(22px) saturate(.86) brightness(.82); transform: scale(1.06); }
}
@media (prefers-reduced-motion: reduce) {
  .desktop-window[data-window-type="timeline"].media-theme-enter .window-content::before { animation: none; }
}
.desktop-window[data-window-type="works"] {
  --app-accent: #b99be8;
  --app-accent-rgb: 185, 155, 232;
}
.desktop-window[data-window-type="changelog"] {
  --app-accent: #7fd3a4;
  --app-accent-rgb: 127, 211, 164;
}
.desktop-window[data-window-type="contact"] {
  --app-accent: #e28d63;
  --app-accent-rgb: 226, 141, 99;
}

.desktop-window[data-window-type="about"] .window-titlebar {
  background:
    linear-gradient(100deg, rgba(246,183,60,.34) 0 17%, rgba(116,86,255,.26) 42%, rgba(6,10,19,.96) 78%),
    var(--window-titlebar-bg);
  border-bottom-color: rgba(246,183,60,.38);
}

.desktop-window[data-window-type="changelog"] .window-titlebar {
  background:
    linear-gradient(100deg, rgba(72,230,164,.35) 0 18%, rgba(255,111,97,.25) 46%, rgba(6,10,19,.96) 80%),
    var(--window-titlebar-bg);
  border-bottom-color: rgba(72,230,164,.36);
}

.desktop-window::before {
  content: '';
  position: absolute;
  left: 0;
  top: 36px;
  bottom: 0;
  width: 2px;
  z-index: 3;
  background: linear-gradient(180deg, var(--app-accent), transparent 55%);
  opacity: 0.52;
  pointer-events: none;
}

.desktop-window::after {
  content: 'MENTAL OUT // ACTIVE WINDOW';
  position: absolute;
  right: 18px;
  bottom: 9px;
  z-index: 2;
  color: rgba(242, 198, 109, 0.18);
  font: 700 7px/1 'Consolas', monospace;
  letter-spacing: 0.2em;
  pointer-events: none;
}

.desktop-window.active {
  border-color: rgba(var(--app-accent-rgb), 0.42);
  box-shadow: var(--window-shadow), 0 0 35px rgba(var(--app-accent-rgb), 0.09);
}

.desktop-window.active::before {
  background: linear-gradient(180deg, var(--app-accent), transparent 58%);
  box-shadow: 0 0 12px rgba(var(--app-accent-rgb), 0.65);
  opacity: 1;
}

.window-titlebar {
  display: flex;
  align-items: center;
  height: 38px;
  flex-shrink: 0;
  padding: 0 10px 0 14px;
  cursor: grab;
  user-select: none;
  background:
    linear-gradient(90deg, rgba(var(--app-accent-rgb), 0.08), transparent 34%),
    var(--window-titlebar-bg);
  border-bottom: 1px solid rgba(var(--app-accent-rgb), 0.13);
}

.window-titlebar:active { cursor: grabbing; }
.window-title-icon {
  min-width: 27px;
  margin-right: 8px;
  color: var(--app-accent);
  font: 700 9px/1 'Consolas', monospace;
  letter-spacing: 0.05em;
}

.window-title-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: rgba(247, 242, 232, 0.94);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-title-actions { display: flex; align-items: center; gap: 2px; }

.window-btn {
  width: 28px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(165, 176, 195, 0.72);
  font-size: 10px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.window-btn:hover {
  color: var(--p3r-cyan);
  border-color: rgba(89, 210, 230, 0.25);
  background: rgba(89, 210, 230, 0.08);
}

.window-btn.close:hover {
  color: #fff;
  border-color: rgba(255, 88, 100, 0.4);
  background: rgba(255, 64, 80, 0.22);
}

.window-content {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: clamp(16px, 2vw, 24px);
  overflow: auto;
  user-select: text;
  background:
    repeating-radial-gradient(circle at 86% 38%, transparent 0 46px, rgba(89, 210, 230, 0.022) 47px 48px);
}

.window-statusbar { display: none; }

/* ─── Functional maximize and resize states ─── */
.desktop-window.maximized {
  left: 16px !important;
  top: 16px !important;
  width: calc(100vw - 32px) !important;
  height: calc(100vh - 32px) !important;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.window-resize-handle { position: absolute; z-index: 10; }
.window-resize-n, .window-resize-s { left: 12px; right: 12px; height: 7px; cursor: ns-resize; }
.window-resize-n { top: -2px; }
.window-resize-s { bottom: -2px; }
.window-resize-e, .window-resize-w { top: 12px; bottom: 12px; width: 7px; cursor: ew-resize; }
.window-resize-e { right: -2px; }
.window-resize-w { left: -2px; }
.window-resize-ne, .window-resize-nw, .window-resize-se, .window-resize-sw { width: 13px; height: 13px; }
.window-resize-ne { right: -2px; top: -2px; cursor: nesw-resize; }
.window-resize-nw { left: -2px; top: -2px; cursor: nwse-resize; }
.window-resize-se { right: -2px; bottom: -2px; cursor: nwse-resize; }
.window-resize-sw { left: -2px; bottom: -2px; cursor: nesw-resize; }
.desktop-window.maximized .window-resize-handle { display: none; }

/* ─── Motion: diagonal arrival, stable final reading plane ─── */
.window-opening { animation: win-open 300ms cubic-bezier(0.18, 0.9, 0.28, 1) forwards; }
.window-closing { animation: win-close 250ms ease-in forwards; }
.window-minimizing { animation: win-minimize 320ms ease-in forwards; }

@keyframes win-open {
  from { opacity: 0; transform: translate(-24px, 16px) scale(0.96); clip-path: polygon(0 0, 32% 0, 38% 100%, 0 100%); }
  to { opacity: 1; transform: translate(0, 0) scale(1); clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 0 100%); }
}

@keyframes win-close {
  to { opacity: 0; transform: translateX(-18px) scale(0.96); filter: brightness(1.5); }
}

@keyframes win-minimize {
  to { opacity: 0; transform: translateY(90px) scale(0.45); }
}

.window-fragment {
  position: fixed;
  z-index: 110;
  width: 15px;
  height: 22px;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(89, 210, 230, 0.65), rgba(242, 198, 109, 0.18));
  clip-path: polygon(50% 0, 100% 30%, 72% 100%, 12% 72%, 0 18%);
  animation: window-fragment-out 560ms ease-out forwards;
}

@keyframes window-fragment-out {
  to { opacity: 0; transform: translate(var(--fx), var(--fy)) rotate(220deg) scale(0.35); }
}

@media (max-width: 760px) {
  .desktop-window,
  .desktop-window:not(.maximized) {
    left: 10px !important;
    top: clamp(76px, 11vh, 104px) !important;
    width: calc(100vw - 20px) !important;
    max-width: none;
    height: calc(100dvh - clamp(76px, 11vh, 104px) - var(--taskbar-height) - 10px) !important;
    min-width: 0;
    min-height: 0;
    border-radius: 2px;
  }
  .window-titlebar { touch-action: manipulation; }
  .window-resize-handle { display: none !important; }
  .window-content { padding: 14px; }
}