/* ===== Button Glow ===== */
@keyframes btnGlow {
    0%   { box-shadow: 0 0 10px rgba(212, 175, 55, 0.1); }
    100% { box-shadow: 0 0 25px rgba(212, 175, 55, 0.3); }
}

/* ===== Number Pulse (Loading) ===== */
#loading-number.pulse {
    transform: scale(1.2);
}

#loading-number.reveal-flash {
    animation: revealFlash 0.8s ease-out;
}

@keyframes revealFlash {
    0%   { transform: scale(2); color: #fff; text-shadow: 0 0 60px #fff; }
    100% { transform: scale(1); color: var(--color-gold); text-shadow: 0 0 20px rgba(212,175,55,0.8); }
}

/* ===== Sprite Placeholder Pulse (MVP) ===== */
.sprite-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    animation: spritePulse 2s ease-in-out infinite;
}

.sprite-placeholder.chisa {
    background: radial-gradient(circle, rgba(248,200,220,0.4), rgba(248,200,220,0.1));
    box-shadow: 0 0 40px rgba(248, 200, 220, 0.3);
}

.sprite-placeholder.yogami {
    background: radial-gradient(circle, rgba(107,63,160,0.4), rgba(107,63,160,0.1));
    box-shadow: 0 0 40px rgba(107, 63, 160, 0.3);
}

.sprite-placeholder.suzune {
    background: radial-gradient(circle, rgba(230,57,70,0.4), rgba(230,57,70,0.1));
    box-shadow: 0 0 40px rgba(230, 57, 70, 0.3);
}

@keyframes spritePulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50%      { transform: scale(1.08); opacity: 1; }
}

/* ===== Screen Fade ===== */
.screen {
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

/* ===== Character Card Entrance ===== */
.character-card {
    opacity: 0;
    transform: translateY(30px);
    animation: cardEntrance 0.5s ease forwards;
}

.character-card:nth-child(1) { animation-delay: 0.1s; }
.character-card:nth-child(2) { animation-delay: 0.25s; }
.character-card:nth-child(3) { animation-delay: 0.4s; }

@keyframes cardEntrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Choice Button Entrance ===== */
.fortune-choice-btn {
    opacity: 0;
    transform: translateX(-20px);
    animation: choiceSlideIn 0.4s ease forwards;
}

.fortune-choice-btn:nth-child(1) { animation-delay: 0.3s; }
.fortune-choice-btn:nth-child(2) { animation-delay: 0.5s; }

@keyframes choiceSlideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Loading Slideshow ===== */
.loading-slideshow {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.loading-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.loading-slide.active {
    opacity: 1;
}

/* 占い豆知識オーバーレイ */
.loading-trivia-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 20px 30px;
    z-index: 5;
    background: linear-gradient(180deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 60%, rgba(0,0,0,0) 100%);
}
.trivia-content {
    font-family: var(--font-main);
    font-size: clamp(0.95rem, 3vw, 1.15rem);
    color: #F0E6D3;
    line-height: 1.9;
    letter-spacing: 0.03em;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.45);
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.25);
    text-shadow: 0 1px 6px rgba(0,0,0,0.9), 0 0 12px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.trivia-content.show {
    opacity: 1;
    transform: translateY(0);
}

/* ローディング下部バー */
.loading-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px 20px;
    background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    z-index: 10;
}
.loading-char-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.loading-char-name {
    font-family: var(--font-main);
    font-size: 0.9rem;
    color: var(--color-gold);
    font-weight: 700;
}
.loading-message {
    font-family: var(--font-main);
    font-size: 0.85rem;
    color: var(--color-text);
    opacity: 0.8;
}
@keyframes loadingDots {
    0%   { content: ''; }
    25%  { content: '.'; }
    50%  { content: '..'; }
    75%  { content: '...'; }
}
.loading-message::after {
    content: '';
    animation: loadingDots 1.5s infinite steps(4);
}

/* ===== Loading BG Dim (legacy fallback) ===== */
.loading-bg {
    opacity: 0.4;
}

/* ===== Text Fade In ===== */
.fade-in-text {
    animation: fadeInText 0.5s ease forwards;
}

@keyframes fadeInText {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== Gentle Float ===== */
.float-gentle {
    animation: floatGentle 3s ease-in-out infinite;
}

@keyframes floatGentle {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}