/* =================================================================
 * Page Specific Styles for Amidakuji (style.css)
 * ================================================================= */

/* --- 1. レイアウト --- */
.tool-results {
    display: flex;
    flex-direction: column;
}

.tool-results .card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.tool-results .card-body>.h-100 {
    flex-grow: 1;
}

/* --- 2. あみだくじ専用スタイル --- */
.amida-container-wrapper {
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
    position: relative;
    user-select: none;
}

/* (★追加) 初期メッセージ表示エリアにも高さを確保 */
#initial-message-amida {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.amida-svg-base {
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease;
}

.amida-svg-trace {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.amida-svg-base.dimmed {
    opacity: 0.3;
}

/* --- SVG要素のスタイル --- */
.amida-line {
    stroke: var(--bs-border-color);
    stroke-width: 3;
}

.amida-bridge {
    stroke: var(--bs-border-color);
    stroke-width: 3;
}

.amida-label {
    fill: var(--bs-body-color);
    font-size: 14px;
    font-weight: bold;
    text-anchor: middle;
    transition: all 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}

.amida-label-start {
    cursor: pointer;
}

.amida-label-start:hover {
    fill: var(--bs-primary);
}

.amida-trace-path {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* 結果ラベルのハイライトアニメーション */
.amida-label-highlight {
    transform-box: fill-box;
    transform-origin: center;
    animation: highlight-result 1.2s ease-out forwards;
}

@keyframes highlight-result {
    0% {
        transform: scale(1);
        fill: var(--bs-body-color);
        opacity: 1;
    }

    30% {
        transform: scale(1.5);
        fill: #FFC106;
        opacity: 1;
    }

    100% {
        transform: scale(1.2);
        fill: #FFC106;
        opacity: 1;
    }
}


/* --- 3. 汎用コンポーネント --- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1090;
    backdrop-filter: blur(3px);
}

/* --- 4. 行番号付きテキストエリア --- */
.line-numbered-textarea-wrapper {
    display: flex;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    background-color: var(--bs-body-bg);
}

.line-numbered-textarea-wrapper:focus-within {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    z-index: 2;
}

.line-numbers {
    width: 45px;
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-secondary-color);
    text-align: right;
    padding: 0.375rem 0.5rem;
    font-family: var(--bs-body-font-family);
    font-size: 1rem;
    line-height: 1.5;
    border-right: 1px solid var(--bs-border-color);
    user-select: none;
    overflow: hidden;
    white-space: pre;
    flex-shrink: 0;
}

.line-numbered-textarea {
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    resize: none;
    line-height: 1.5 !important;
    padding: 0.375rem 0.75rem;
    white-space: pre;
    overflow-y: scroll;
}

.line-numbered-textarea::-webkit-scrollbar {
    width: 8px;
}

.line-numbered-textarea::-webkit-scrollbar-thumb {
    background-color: var(--bs-secondary-bg);
    border-radius: 4px;
}