/* --- CSS変数定義 (サイト全体で共通) --- */
:root {
    /* Fonts */
    --font-family-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

    /* Base Colors */
    --color-text: #1f2937;
    --color-bg: #ffffff;
    --color-secondary-text: #4b5567;
    --color-border: #e5e7eb;
    --color-shadow: rgba(0, 0, 0, 0.05);

    /* Primary Colors (Blue-ish) */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #eff6ff;
    --color-primary-border: #bfdbfe;
    
    /* Highlight Colors */
    --color-highlight-bg: #dbeafe;
    --color-highlight-text: #1e40af;

    /* Status Colors */
    --gold: #fbbf24;
    --silver: #d1d5db;
    --bronze: #e76f51;
    --green: #22c55e;
    --red: #ef4444;
    
    /* Component Backgrounds */
    --card-bg: #ffffff;
    --panel-bg: var(--color-primary-light);
    --panel-border: var(--color-primary-border);
}

/* --- 基本スタイル --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.no-scroll {
    overflow: hidden;
}

main {
    flex: 1;
}

/* --- 汎用コンテナ --- */
.ekiden-container {
    width: 100%;
    max-width: 1024px;
    margin-left: auto;
    margin-right: auto;
    padding: 1rem;
}
@media (min-width: 768px) {
    .ekiden-container { padding: 1.5rem; }
}

/* --- 汎用アイコンスタイル --- */
.ekiden-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
    vertical-align: -0.15em; /* 文字との高さを微調整 */
    transition: all 0.2s ease;
}
.ekiden-icon-lg { font-size: 1.25rem; }
.ekiden-icon-xl { font-size: 1.5rem; }

.ekiden-icon-primary { color: var(--color-primary); }
.ekiden-icon-yellow  { color: var(--gold); }
.ekiden-icon-gray    { color: var(--silver); }
.ekiden-icon-bronze  { color: var(--bronze); }
.ekiden-icon-green   { color: var(--green); }
.ekiden-icon-red     { color: var(--red); }

/* --- 汎用フローティング要素 --- */
#to-top-button {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    background-color: var(--color-primary);
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    z-index: 100;
}
#to-top-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}
#to-top-button.ekiden-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

#notification {
    position: fixed;
    top: 6rem;
    right: 1.25rem;
    z-index: 1000;
    background-color: var(--color-text);
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 320px;
    transform: translateX(calc(100% + 1.25rem));
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
#notification.ekiden-show {
    transform: translateX(0);
}
.ekiden-notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* --- 検索機能スタイル --- */
.ekiden-search-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.ekiden-search-input {
    width: 100%;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    transition: border-color 0.15s ease;
}

.ekiden-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.ekiden-search-clear {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-secondary-text);
    cursor: pointer;
    font-size: 1.125rem;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.15s ease;
}

.ekiden-search-clear:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.ekiden-search-highlight {
    background-color: var(--color-highlight-bg);
    color: var(--color-highlight-text);
    border-radius: 0.25rem;
    padding: 0.125rem 0.25rem;
}

/* --- 選手検索機能スタイル --- */
.ekiden-search-tool {
    padding: 1rem;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px var(--color-shadow);
}

.ekiden-search-header {
    margin-bottom: 1rem;
}

.ekiden-search-input-container {
    position: relative;
    margin-bottom: 1rem;
}

.ekiden-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-secondary-text);
    pointer-events: none;
    width: 1rem;
    height: 1rem;
}

.ekiden-search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 2.5rem;
    border: 2px solid var(--color-border);
    border-radius: 0.5rem;
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.2s ease;
}

.ekiden-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.ekiden-search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-secondary-text);
    cursor: pointer;
    font-size: 1.25rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.ekiden-search-clear:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.ekiden-search-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.ekiden-search-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-secondary-text);
    transition: color 0.2s ease;
}

.ekiden-search-filter:hover {
    color: var(--color-text);
}

.ekiden-search-filter input[type="radio"] {
    accent-color: var(--color-primary);
}

.ekiden-search-stats {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: var(--panel-bg);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: var(--color-secondary-text);
}

.ekiden-search-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 70vh;
    overflow-y: auto;
}

.ekiden-runner-card {
    background-color: var(--card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.ekiden-runner-card:hover {
    border-color: var(--color-primary-border);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.ekiden-runner-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.ekiden-runner-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-width: 4rem;
}

.ekiden-section-badge {
    background-color: var(--color-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.ekiden-runner-info {
    flex: 1;
    min-width: 0;
}

.ekiden-runner-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ekiden-runner-name .ekiden-icon {
    width: 0.875rem;
    height: 0.875rem;
}

.ekiden-runner-team {
    font-size: 0.875rem;
    color: var(--color-secondary-text);
}

.ekiden-runner-time {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-primary);
    min-width: 5rem;
    text-align: right;
}

@media (max-width: 640px) {
    .ekiden-runner-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .ekiden-runner-section {
        flex-direction: row;
        align-items: center;
        min-width: auto;
    }
    
    .ekiden-runner-time {
        text-align: left;
        min-width: auto;
    }
    
    .ekiden-search-filters {
        flex-direction: column;
        gap: 0.5rem;
    }
}