dialog.screen-overlay {
    position: fixed;
    inset: 0;
    margin: 0;
    padding: 0;
    border: 0;
    max-width: 100vw;
    max-height: 100vh;
    color: var(--text-color);
}
dialog.screen-overlay:not([open]) {
    display: none !important;
}
dialog.screen-overlay::backdrop {
    background: transparent;
}

/* ============================================
   MODAL & STORY SCREEN COMMON STYLES
   ============================================ */

/* Overlays & Cards */
.screen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: var(--layer-modal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition:
        opacity var(--overlay-close-duration) ease-out,
        visibility var(--overlay-close-duration) ease-out;
    opacity: 1;
    visibility: visible;
    overflow: visible !important; /* 드롭다운 옵션이 잘리지 않도록 */
}

.screen-overlay.closing {
    opacity: 0;
    visibility: hidden;
}

.screen-overlay.closing .card {
    transform: scale(0.8) translateY(20px);
    opacity: 0;
}

.card {
    transition:
        transform var(--overlay-close-duration) cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity var(--overlay-close-duration) ease-out;
    background: rgba(20, 20, 30, 0.95);
    padding: 25px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    border: 2px solid transparent;
    background-clip: padding-box;
    text-align: center;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.9),
        0 0 40px rgba(255, 213, 79, 0.2),
        inset 0 0 30px rgba(255, 213, 79, 0.05);
    max-height: 85vh;
    overflow-y: auto;
    animation:
        fadeIn 0.5s ease-out,
        cardGlow 3s ease-in-out infinite;
    position: relative;
    z-index: 1;
    transform: scale(1);
    opacity: 1;
}

/* ============================================
   RPG Modal 공통 스타일
   ============================================
   설정, 상점, 인벤토리, 통계 모달에서 공통으로 사용되는 스타일
   ============================================ */

/* RPG Modal 기본 스타일 */
.card.rpg-modal {
    border-radius: 18px;
    background:
        radial-gradient(120% 120% at 50% 0%, rgba(255, 215, 130, 0.06) 0%, rgba(0, 0, 0, 0) 55%),
        radial-gradient(140% 120% at 50% 110%, rgba(255, 120, 50, 0.08) 0%, rgba(0, 0, 0, 0) 55%),
        linear-gradient(180deg, rgba(22, 24, 33, 0.98) 0%, rgba(12, 13, 18, 0.98) 100%);
    box-shadow:
        0 18px 55px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    border: none;
    animation: none;
    /* 게임 프레임 크기를 기준으로 메뉴 카드의 기본 폭과 최대 높이를 제한한다. */
    width: 81%;
    max-width: min(81%, var(--title-container-width, 95vw));
    max-height: min(var(--title-container-height, 95vh), 85vh);
    box-sizing: border-box;
    overflow-y: auto;
    position: relative;
}

/* RPG Modal 외곽 테두리 */
.card.rpg-modal::before {
    content: '';
    position: absolute;
    inset: 6px;
    border-radius: 14px;
    border: 3px solid rgba(231, 189, 105, 0.95);
    box-shadow:
        0 0 0 2px rgba(70, 48, 16, 0.85),
        inset 0 0 18px rgba(255, 208, 120, 0.1);
    pointer-events: none;
}

/* RPG Modal 내부 테두리 */
.card.rpg-modal::after {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 228, 165, 0.22);
    pointer-events: none;
}

/* RPG Modal 타이틀 공통 스타일 */
.card.rpg-modal .modal-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--gold, #ffd700);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    text-align: center;
    pointer-events: none;
    margin: 0;
    padding: 0;
    line-height: 1.2;
}

/* RPG Modal Header Common Style */
.card.rpg-modal .modal-header {
    background: var(--modal-header-bg);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--modal-border-gold);
}

/* RPG Modal Footer Common Style */
.card.rpg-modal .modal-footer {
    border-top: 1px solid var(--modal-border-gold);
}

/* ============================================
   Modal Layout 공통 스타일
   ============================================
   모달의 header, body, footer 레이아웃
   ============================================ */

.modal-header {
    position: sticky;
    top: 0;
    background: #1e1e1e;
    padding: 10px;
    border-bottom: 1px solid var(--neutral-800);
    margin-bottom: 10px;
    z-index: 5;
    flex-shrink: 0;
    text-align: center;
}

.modal-body {
    overflow-y: auto;
    overflow-x: hidden;
    flex-grow: 1;
}

.modal-footer {
    flex-shrink: 0;
    padding-top: 15px;
    border-top: 1px solid var(--neutral-800);
}

/* 이전 음악 선택 마크업의 잠금 표시용 호환 스타일. 현행 음악 목록은 모두 선택 가능하다. */
option.locked-music {
    color: var(--neutral-400) !important;
    background-color: var(--neutral-800) !important;
    font-style: italic;
}

.print-radio-label:focus-within {
    outline: 3px solid var(--btn-blue);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .screen-overlay,
    .card {
        transition: none;
        animation: none;
    }
}