/* main-menu.css */
/* Main Menu screen — Late 80s/early 90s Arcade CRT aesthetic */
/* Scoped to .screen.main-menu (matches JS render) and #main-menu (legacy). */
/* All colors via design tokens only. No raw hex, rgb, or hsl values. */

/* === SCREEN WRAPPER === */
.screen.main-menu,
#main-menu {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;          /* horizontally center all children */
  justify-content: flex-start;
  padding: var(--space-xl) var(--space-md);
  overflow-y: auto;
  box-sizing: border-box;
  text-align: center;           /* center inline/text content by default */
}

/* === HEADER BLOCK === */
.screen.main-menu .menu-header,
#main-menu .menu-header {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-md);
}

/* === APP TITLE (Attract screen style) === */
.screen.main-menu .app-title,
#main-menu .app-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xxl);
  color: var(--color-accent);
  text-align: center;
  margin: 0 0 var(--space-sm) 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.05;
  text-shadow:
    0 0 8px var(--color-accent),
    0 0 16px var(--color-accent),
    0 0 24px var(--color-accent);
}

/* Korean / subtitle under title */
.screen.main-menu .app-subtitle,
.screen.main-menu .korean-subtitle,
#main-menu .app-subtitle,
#main-menu .korean-subtitle {
  font-family: var(--font-korean);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-secondary);
  text-align: center;
  margin: 0 0 var(--space-lg) 0;
  letter-spacing: 0.04em;
}

/* === DECK STRENGTH === */
.screen.main-menu .deck-strength,
.screen.main-menu .deck-strength-section,
#main-menu .deck-strength,
#main-menu .deck-strength-section {
  width: 100%;
  max-width: 420px;
  margin-bottom: var(--space-sm);
  text-align: center;
}

.screen.main-menu .current-chapter-label,
#main-menu .current-chapter-label {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: var(--space-xs);
}

.screen.main-menu .deck-strength-header,
#main-menu .deck-strength-header {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.screen.main-menu .deck-strength-label,
.screen.main-menu .deck-strength-note,
#main-menu .deck-strength-label,
#main-menu .deck-strength-note {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
  text-align: center;
}

.screen.main-menu .deck-strength-value,
#main-menu .deck-strength-value {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  letter-spacing: 0.1em;
}

/* Progress bar */
.screen.main-menu .deck-strength-bar,
.screen.main-menu .progress-bar,
#main-menu .deck-strength-bar,
#main-menu .progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-text-muted);
  position: relative;
  margin-bottom: var(--space-xs);
  border-radius: 0;
  overflow: hidden;
}

.screen.main-menu .deck-strength-fill,
.screen.main-menu .progress-fill,
#main-menu .deck-strength-fill,
#main-menu .progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: none;
  border-radius: 0;
}

.screen.main-menu .strength-text,
#main-menu .strength-text {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-top: var(--space-xs);
  letter-spacing: 0.02em;
  text-align: center;
}

/* === NAV MENU — always a single column, centered === */
.screen.main-menu .nav-menu,
.screen.main-menu .menu-buttons,
#main-menu .nav-menu,
#main-menu .menu-buttons {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;   /* ALWAYS stacked — no wrapping, no grid */
  align-items: stretch;     /* buttons fill the column width */
  gap: var(--space-md);
}

/* === MENU BUTTONS === */
.screen.main-menu .menu-btn,
#main-menu .menu-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 64px;
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-display);
  text-align: left;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition:
    transform var(--transition-speed),
    box-shadow var(--transition-speed);
  position: relative;
  box-sizing: border-box;
}

/* Icon */
.screen.main-menu .menu-btn .btn-icon,
#main-menu .menu-btn .btn-icon {
  font-size: var(--font-size-xl);
  line-height: 1;
  margin-right: var(--space-md);
  flex-shrink: 0;
}

/* Text content block */
.screen.main-menu .menu-btn .btn-content,
#main-menu .menu-btn .btn-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.screen.main-menu .menu-btn .btn-title,
.screen.main-menu .menu-btn .btn-label,
#main-menu .menu-btn .btn-title,
#main-menu .menu-btn .btn-label {
  font-size: var(--font-size-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.screen.main-menu .menu-btn .btn-subtitle,
.screen.main-menu .menu-btn .btn-desc,
#main-menu .menu-btn .btn-subtitle,
#main-menu .menu-btn .btn-desc {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

/* Active / pressed */
.screen.main-menu .menu-btn:active,
.screen.main-menu .menu-btn.active,
#main-menu .menu-btn:active,
#main-menu .menu-btn.active {
  transform: scale(0.97);
  box-shadow:
    0 0 14px var(--color-primary),
    0 0 28px var(--color-primary);
  border-color: var(--color-primary);
}

/* Selected / focused */
.screen.main-menu .menu-btn.selected,
.screen.main-menu .menu-btn.menu-focus,
#main-menu .menu-btn.selected,
#main-menu .menu-btn.menu-focus {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
  box-shadow:
    0 0 14px var(--color-primary),
    0 0 28px var(--color-primary);
}

.screen.main-menu .menu-btn.selected .btn-subtitle,
.screen.main-menu .menu-btn.selected .btn-desc,
.screen.main-menu .menu-btn.menu-focus .btn-subtitle,
.screen.main-menu .menu-btn.menu-focus .btn-desc,
#main-menu .menu-btn.selected .btn-subtitle,
#main-menu .menu-btn.selected .btn-desc {
  color: var(--color-background);
  opacity: 0.85;
}

/* Disabled */
.screen.main-menu .menu-btn:disabled,
.screen.main-menu .menu-btn[disabled],
#main-menu .menu-btn:disabled,
#main-menu .menu-btn[disabled] {
  opacity: 0.35;
  pointer-events: none;
  box-shadow: none;
  border-color: var(--color-text-muted);
}

/* Focus pulse */
.screen.main-menu .menu-btn:focus-visible,
#main-menu .menu-btn:focus-visible {
  outline: none;
  animation: menu-focus-pulse 1.1s ease-in-out infinite;
}

@keyframes menu-focus-pulse {
  0%, 100% { box-shadow: 0 0 8px var(--color-primary); }
  50% {
    box-shadow:
      0 0 18px var(--color-primary),
      0 0 32px var(--color-primary);
  }
}

/* === RESPONSIVE — wider screens get a little more breathing room === */
@media (min-width: 640px) {
  .screen.main-menu,
  #main-menu {
    padding-top: calc(var(--space-xl) + var(--space-lg));
  }

  .screen.main-menu .nav-menu,
  .screen.main-menu .menu-buttons,
  #main-menu .nav-menu,
  #main-menu .menu-buttons {
    max-width: 460px;  /* slightly wider on desktop, still a column */
  }

  .screen.main-menu .menu-header,
  #main-menu .menu-header {
    max-width: 460px;
  }
}