/**
 * Software CRM - Ghost Back Screen Architecture
 * Visual depth layering, smooth back navigation, and floating back pill
 */

/* ─────────────────────────────────────────────
   ACTIVE FOREGROUND SCREEN
───────────────────────────────────────────── */
.app-screen.active {
  visibility: visible;
  opacity: 1;
  transform: translate3d(0, 0, 0);
  pointer-events: auto;
  z-index: 10;
  box-shadow: none !important;
  border-radius: 0;
}

/* ─────────────────────────────────────────────
   👻 GHOST BACK SCREEN LAYER (Hidden from background display)
───────────────────────────────────────────── */
.app-screen.ghost-back {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.ghost-back-float-btn {
  display: none !important;
}

/* ─────────────────────────────────────────────
   SLIDING OUT (Back navigation animation)
───────────────────────────────────────────── */
.app-screen.sliding-out {
  visibility: visible;
  opacity: 1;
  transform: translate3d(100%, 0, 0) !important;
  pointer-events: none;
  z-index: 15;
  transition: transform 0.28s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.28s ease !important;
}

/* ─────────────────────────────────────────────
   RESTORING ACTIVE (Ghost back restoring to foreground)
───────────────────────────────────────────── */
.app-screen.restoring-active {
  visibility: visible;
  opacity: 1 !important;
  transform: scale(1) translateY(0) translate3d(0, 0, 0) !important;
  filter: brightness(1) blur(0) !important;
  pointer-events: auto;
  z-index: 10;
  border-radius: 0;
  transition: transform 0.28s cubic-bezier(0.32, 0.72, 0, 1),
              opacity 0.28s ease,
              filter 0.28s ease,
              border-radius 0.28s ease !important;
}

/* ─────────────────────────────────────────────
   FLOATING GHOST BACK BUTTON WIDGET
───────────────────────────────────────────── */
.ghost-back-float-btn {
  position: absolute;
  bottom: calc(var(--bottom-bar-height) + env(safe-area-inset-bottom, 0px) + 12px);
  right: 14px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 7px 13px;
  border-radius: 24px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 95;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  animation: floatIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ghost-back-float-btn:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37,99,235,0.45);
}

.ghost-back-float-btn:active {
  transform: scale(0.95);
}

@keyframes floatIn {
  from { opacity: 0; transform: translateY(10px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─────────────────────────────────────────────
   MOBILE DEMO JUMP SHEET
───────────────────────────────────────────── */
.mobile-demo-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #0F172A;
  color: #FFFFFF;
  border-radius: 20px 20px 0 0;
  padding: 20px 16px max(20px, env(safe-area-inset-bottom));
  z-index: 1300;
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}

.mobile-demo-sheet.open {
  transform: translateY(0);
}

.sheet-handle {
  width: 40px;
  height: 4px;
  background: #475569;
  border-radius: 2px;
  margin: 0 auto 16px;
  cursor: pointer;
}

.sheet-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.sheet-title-row h4 {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
}

.sheet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}

.sheet-btn {
  background: #1E293B;
  border: 1px solid #334155;
  color: #E2E8F0;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.sheet-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}