/* ==========================================================================
   NekoAdvance - In-Screen Retro GBA BIOS / System Menu
   ========================================================================== */

.retro-screen-menu {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #0e0a1a;
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
  box-sizing: border-box;
}

.retro-screen-menu.open {
  opacity: 1;
  pointer-events: all;
}

/* CRT Scanlines Overlay inside the screen */
.retro-screen-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 26, 0) 50%, 
    rgba(0, 0, 0, 0.4) 50%
  );
  background-size: 100% 4px;
  z-index: 10;
  opacity: 0.7;
}

/* --- Header & Tabs Navigation --- */
.retro-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #191228;
  border-bottom: 2px solid #3d2f5a;
  padding: 4px 6px;
  flex-shrink: 0;
  z-index: 5;
}

.retro-tab-trigger {
  font-family: var(--font-retro), monospace;
  font-size: 0.55rem;
  color: #a78bfa;
  background: #2b1f44;
  padding: 2px 4px;
  border-radius: 2px;
  border: 1px solid #4e3a75;
}

.retro-tabs {
  display: flex;
  gap: 3px;
  overflow-x: auto;
  scrollbar-width: none;
}
.retro-tabs::-webkit-scrollbar {
  display: none;
}

.retro-tab {
  font-family: var(--font-retro), monospace;
  font-size: 0.55rem;
  color: #94a3b8;
  background: transparent;
  border: 1px solid transparent;
  padding: 3px 6px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: all 0.08s ease;
}

.retro-tab:hover {
  color: #ffffff;
  background: #2b1f44;
}

.retro-tab.active {
  color: #00f0ff;
  background: #2b1f44;
  border: 1px solid #00f0ff;
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.35);
}

/* --- Menu Body & Panels --- */
.retro-menu-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 6px 8px;
  position: relative;
  z-index: 5;
  scrollbar-width: thin;
  scrollbar-color: #554483 #120e20;
}

.retro-menu-body::-webkit-scrollbar {
  width: 4px;
}
.retro-menu-body::-webkit-scrollbar-track {
  background: #120e20;
}
.retro-menu-body::-webkit-scrollbar-thumb {
  background: #554483;
  border-radius: 2px;
}

.retro-tab-panel {
  display: none;
  height: 100%;
}

.retro-tab-panel.active {
  display: block;
}

/* --- Retro Item List & Navigation --- */
.retro-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.retro-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  background: rgba(33, 25, 52, 0.6);
  border: 1px solid #2e2348;
  border-radius: 3px;
  font-family: var(--font-mono), monospace;
  font-size: 0.7rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: background 0.05s ease, border-color 0.05s ease;
}

.retro-row:hover {
  background: rgba(45, 34, 70, 0.85);
  border-color: #554483;
}

.retro-row.selected {
  background: #2a1e45 !important;
  border-color: #38bdf8 !important;
  color: #ffffff !important;
  box-shadow: inset 0 0 8px rgba(56, 189, 248, 0.2);
}

.retro-row-left {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.retro-cursor {
  font-family: var(--font-retro), monospace;
  font-size: 0.6rem;
  color: #00f0ff;
  visibility: hidden;
  width: 10px;
}

.retro-row.selected .retro-cursor {
  visibility: visible;
  animation: retroBlink 0.8s infinite;
}

@keyframes retroBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.2; }
}

.retro-row-title {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.retro-row-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.retro-badge {
  font-family: var(--font-retro), monospace;
  font-size: 0.5rem;
  padding: 2px 4px;
  border-radius: 2px;
  background: #191228;
  border: 1px solid #3d2f5a;
  color: #94a3b8;
}

.retro-badge.badge-on {
  color: #34d399;
  border-color: #34d399;
  background: rgba(52, 211, 153, 0.15);
}

.retro-badge.badge-off {
  color: #f87171;
  border-color: #f87171;
  background: rgba(248, 113, 113, 0.15);
}

.retro-badge.badge-active {
  color: #fbbf24;
  border-color: #fbbf24;
  background: rgba(251, 191, 36, 0.15);
}

.retro-val-adjust {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-retro), monospace;
  font-size: 0.55rem;
  color: #a78bfa;
}

/* Action sub-buttons on rows (e.g. Delete, Save, Sav export) */
.retro-btn-sub {
  background: #1e1630;
  border: 1px solid #4a3a69;
  color: #e2e8f0;
  font-family: var(--font-retro), monospace;
  font-size: 0.48rem;
  padding: 3px 6px;
  border-radius: 2px;
  cursor: pointer;
}
.retro-btn-sub:hover {
  background: #392b57;
  border-color: #a78bfa;
}

/* Cheat input inside retro menu */
.retro-cheat-box {
  background: rgba(20, 15, 32, 0.9);
  border: 1px solid #4a3a69;
  padding: 6px;
  border-radius: 3px;
  margin-bottom: 6px;
}

.retro-input {
  width: 100%;
  background: #130d22;
  border: 1px solid #3d2f5a;
  color: #f8fafc;
  font-family: var(--font-mono), monospace;
  font-size: 0.65rem;
  padding: 4px 6px;
  border-radius: 2px;
  margin-bottom: 4px;
  box-sizing: border-box;
}
.retro-input:focus {
  outline: none;
  border-color: #00f0ff;
}

/* Empty placeholder in lists */
.retro-empty-hint {
  text-align: center;
  padding: 1rem 0.5rem;
  color: #94a3b8;
  font-family: var(--font-mono), monospace;
  font-size: 0.65rem;
  line-height: 1.4;
}

/* --- Retro Bottom Footer Guide --- */
.retro-menu-footer {
  background: #191228;
  border-top: 2px solid #3d2f5a;
  padding: 3px 6px;
  flex-shrink: 0;
  z-index: 5;
}

.retro-footer-guide {
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-family: var(--font-retro), monospace;
  font-size: 0.48rem;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.retro-key {
  color: #00f0ff;
  background: #2b1f44;
  padding: 1px 3px;
  border-radius: 2px;
  border: 1px solid #4e3a75;
  margin-right: 2px;
}