/**
 * フロントエンド用CSS
 * Japanese Loading Screen Plugin
 */

/* ローディング画面のベーススタイル */
.jls-loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    gap: 2rem;
}

/* オーバーレイ画像コンテナ */
.jls-overlay-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
}

/* ローディングコンテンツ */
.jls-loading-content {
    text-align: center;
    max-width: 400px;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

/* スピナーコンテナ */
.jls-spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
}

/* スピナー1：基本回転スピナー */
.jls-spinner-spinner1 .jls-spinner-circle {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 124, 186, 0.2);
    border-left: 4px solid currentColor;
    border-radius: 50%;
    animation: jls-spin 1s linear infinite;
}

/* スピナー2：ドットスピナー */
.jls-spinner-spinner2 {
    display: flex;
    gap: 8px;
}

.jls-spinner-spinner2 .jls-dot {
    width: 12px;
    height: 12px;
    background-color: currentColor;
    border-radius: 50%;
    animation: jls-dot-bounce 1.4s ease-in-out infinite both;
}

.jls-spinner-spinner2 .jls-dot:nth-child(1) { animation-delay: -0.32s; }
.jls-spinner-spinner2 .jls-dot:nth-child(2) { animation-delay: -0.16s; }
.jls-spinner-spinner2 .jls-dot:nth-child(3) { animation-delay: 0s; }

/* スピナー3：パルススピナー */
.jls-spinner-spinner3 .jls-pulse {
    width: 60px;
    height: 60px;
    background-color: currentColor;
    border-radius: 50%;
    animation: jls-pulse 2s ease-in-out infinite;
}

/* スピナー4：ウェーブスピナー */
.jls-spinner-spinner4 .jls-wave {
    display: flex;
    align-items: center;
    gap: 4px;
}

.jls-spinner-spinner4 .jls-wave > div {
    width: 8px;
    height: 40px;
    background-color: currentColor;
    animation: jls-wave-stretch 1.2s ease-in-out infinite;
}

.jls-spinner-spinner4 .jls-wave > div:nth-child(1) { animation-delay: -1.2s; }
.jls-spinner-spinner4 .jls-wave > div:nth-child(2) { animation-delay: -1.1s; }
.jls-spinner-spinner4 .jls-wave > div:nth-child(3) { animation-delay: -1.0s; }
.jls-spinner-spinner4 .jls-wave > div:nth-child(4) { animation-delay: -0.9s; }
.jls-spinner-spinner4 .jls-wave > div:nth-child(5) { animation-delay: -0.8s; }

/* スピナー5：日本風桜スピナー */
.jls-spinner-spinner5 .jls-sakura {
    position: relative;
    width: 60px;
    height: 60px;
}

.jls-spinner-spinner5 .jls-petal {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: currentColor;
    border-radius: 100% 0;
    transform-origin: 50% 50%;
    animation: jls-sakura-rotate 3s linear infinite;
}

.jls-spinner-spinner5 .jls-petal:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
    animation-delay: 0s;
}

.jls-spinner-spinner5 .jls-petal:nth-child(2) {
    top: 50%;
    right: 0;
    transform: translateY(-50%) rotate(90deg);
    animation-delay: -0.75s;
}

.jls-spinner-spinner5 .jls-petal:nth-child(3) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(180deg);
    animation-delay: -1.5s;
}

.jls-spinner-spinner5 .jls-petal:nth-child(4) {
    top: 50%;
    left: 0;
    transform: translateY(-50%) rotate(270deg);
    animation-delay: -2.25s;
}

/* スピナーなし：スピナーコンテナを非表示 */
.jls-spinner-none {
    display: none;
}

/* メッセージスタイル */
.jls-message {
    font-size: 1.2rem;
    font-weight: 500;
    color: inherit;
    line-height: 1.5;
}

/* 進捗インジケーター */
.jls-progress-container {
    width: 100%;
    max-width: 300px;
}

.jls-progress-bar {
    width: 100%;
    height: 8px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.jls-progress-fill {
    height: 100%;
    background-color: currentColor;
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.jls-progress-text {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* アクセシビリティ：スクリーンリーダー専用 */
.jls-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* オーバーレイ画像がある場合の特別なスタイル */
.jls-loading-screen.jls-has-overlay-image .jls-loading-content {
    gap: 2rem;
}

.jls-loading-screen.jls-has-overlay-image .jls-message {
    padding: 0 1rem;
}

/* スキップリンク */
.jls-skip-link {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #007cba;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    z-index: 1000000;
}

.jls-skip-link:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* NoScript用メッセージ */
.jls-noscript-message {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 193, 7, 0.9);
    color: #333;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    max-width: 90%;
    text-align: center;
}

/* キーフレームアニメーション */
@keyframes jls-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes jls-dot-bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

@keyframes jls-pulse {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@keyframes jls-wave-stretch {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

@keyframes jls-sakura-rotate {
    0% {
        transform: rotate(0deg);
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
    100% {
        transform: rotate(360deg);
        opacity: 1;
    }
}

/* 退出アニメーション */
.jls-loading-screen.jls-fade-out {
    animation: jls-fade-out 0.5s ease-out forwards;
}

.jls-loading-screen.jls-slide-up {
    animation: jls-slide-up 0.7s ease-out forwards;
}

.jls-loading-screen.jls-scale-out {
    animation: jls-scale-out 0.6s ease-out forwards;
}

.jls-loading-screen.jls-rotate-out {
    animation: jls-rotate-out 0.8s ease-out forwards;
}

.jls-loading-screen.jls-bounce-out {
    animation: jls-bounce-out 0.9s ease-out forwards;
}

.jls-loading-screen.jls-curtain-close {
    animation: jls-curtain-close 1.0s ease-in-out forwards;
}

.jls-loading-screen.jls-slice-fall {
    animation: jls-slice-fall 1.2s ease-in forwards;
}

.jls-loading-screen.jls-book-open {
    animation: jls-book-open 1.0s ease-in-out forwards;
}

@keyframes jls-fade-out {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes jls-slide-up {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh);
    }
}

@keyframes jls-scale-out {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0);
    }
}

@keyframes jls-rotate-out {
    0% {
        opacity: 1;
        transform: rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: rotate(360deg) scale(0);
    }
}

@keyframes jls-bounce-out {
    20% {
        transform: scale3d(0.9, 0.9, 0.9);
    }
    50%, 55% {
        opacity: 1;
        transform: scale3d(1.1, 1.1, 1.1);
    }
    100% {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }
}

@keyframes jls-curtain-close {
    0% {
        opacity: 1;
        transform: scaleX(1);
    }
    50% {
        transform: scaleX(0.1);
    }
    100% {
        opacity: 0;
        transform: scaleX(0);
    }
}

@keyframes jls-slice-fall {
    0% {
        opacity: 1;
        transform: translateY(0) rotateZ(0deg);
        clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    }
    25% {
        clip-path: polygon(0% 45%, 100% 55%, 100% 100%, 0% 100%);
    }
    50% {
        transform: translateY(20px) rotateZ(-2deg);
        clip-path: polygon(0% 45%, 100% 55%, 100% 100%, 0% 100%);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotateZ(-15deg);
        clip-path: polygon(0% 45%, 100% 55%, 100% 100%, 0% 100%);
    }
}

@keyframes jls-book-open {
    0% {
        opacity: 1;
        transform: perspective(1000px) rotateY(0deg);
        transform-origin: center;
    }
    50% {
        transform: perspective(1000px) rotateY(90deg);
    }
    100% {
        opacity: 0;
        transform: perspective(1000px) rotateY(180deg);
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .jls-loading-screen {
        gap: 1.5rem;
    }
    
    .jls-loading-content {
        padding: 0 1rem;
        max-width: 300px;
        gap: 1rem;
    }
    
    .jls-message {
        font-size: 1rem;
    }
    
    .jls-spinner-container {
        min-height: 60px;
    }
    
    .jls-spinner-spinner1 .jls-spinner-circle,
    .jls-spinner-spinner3 .jls-pulse,
    .jls-spinner-spinner5 .jls-sakura {
        width: 50px;
        height: 50px;
    }
    
    .jls-overlay-image {
        width: 150px;
        height: 150px;
    }
    
    .jls-progress-container {
        max-width: 250px;
    }
    
    /* タブレットサイズでのオーバーレイ画像対応 */
    .jls-loading-screen.jls-has-overlay-image .jls-loading-content {
        gap: 1.8rem;
    }
}

@media (max-width: 480px) {
    .jls-loading-screen {
        gap: 1rem;
    }
    
    .jls-loading-content {
        gap: 0.8rem;
    }
    
    .jls-overlay-image {
        width: 120px;
        height: 120px;
    }
    
    .jls-progress-container {
        max-width: 200px;
    }
    
    /* オーバーレイ画像がある場合の小画面対応 */
    .jls-loading-screen.jls-has-overlay-image .jls-loading-content {
        gap: 1.2rem;
    }
    
    .jls-loading-screen.jls-has-overlay-image .jls-message {
        font-size: 1rem;
        padding: 0 0.5rem;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .jls-loading-screen {
        border: 2px solid;
    }
    
    .jls-progress-bar {
        border: 1px solid;
    }
}

/* アニメーション削減設定に対応 */
@media (prefers-reduced-motion: reduce) {
    .jls-spinner-spinner1 .jls-spinner-circle,
    .jls-spinner-spinner2 .jls-dot,
    .jls-spinner-spinner3 .jls-pulse,
    .jls-spinner-spinner4 .jls-wave > div,
    .jls-spinner-spinner5 .jls-petal {
        animation-duration: 3s;
        animation-iteration-count: 1;
    }
    
    .jls-loading-screen.jls-fade-out,
    .jls-loading-screen.jls-slide-up,
    .jls-loading-screen.jls-scale-out,
    .jls-loading-screen.jls-rotate-out,
    .jls-loading-screen.jls-bounce-out,
    .jls-loading-screen.jls-curtain-close,
    .jls-loading-screen.jls-slice-fall,
    .jls-loading-screen.jls-book-open {
        animation-duration: 0.1s;
    }
}