/* ============================================================
   ヘッダー高さ（index / list 共通）
============================================================ */
:root {
    --header-height: 82px;
}

/* ============================================================
   フィルタパネル（ヘッダーの下に固定）
============================================================ */
#filterPanel {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    box-sizing: border-box;
    overflow: hidden;
    background: rgba(240, 240, 240, 0.35);
    backdrop-filter: blur(12px);

    z-index: 9998;

    /* 初期状態は完全に隠す */
    transform: translateY(-100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s ease-out, visibility 0s linear 0.25s;
}

/* 開いたときだけ下にスライドして見える */
#filterPanel.show {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.25s ease-out, visibility 0s;
}

/* ============================================================
   パネル内（filter-modal）
============================================================ */
.filter-modal {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-sizing: border-box;
    padding: 16px;
    border-radius: 18px;

    width: calc(100% - 24px);
    max-width: 480px;
    height: calc(100% - 24px);

    margin: 12px auto;

    overflow-y: auto;

    color: #1e293b;

    box-shadow:
        0 16px 36px rgba(15, 23, 42, 0.14),
        0 3px 10px rgba(15, 23, 42, 0.08);

    border: 1px solid #e2e8f0;

    transform: scale(0.94);
    transition: transform 0.25s ease, box-shadow 0.25s ease;

    display: flex;
    flex-direction: column;
}

#filterPanel.show .filter-modal {
    transform: scale(1);
}

/* ============================================================
   ブロック（カテゴリのまとまり）
============================================================ */
.filter-block {
    --filter-button-min-width: 90px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid #e2e8f0;
}

.filter-block--house { --filter-button-min-width: 68px; }
.filter-block--sort { --filter-button-min-width: 92px; }
.filter-block--role { --filter-button-min-width: 82px; }
.filter-block--party { --filter-button-min-width: 76px; }
.filter-block--win { --filter-button-min-width: 70px; }
.filter-block--win[hidden] { display: none; }
.filter-block--status { --filter-button-min-width: 68px; }
.filter-block--constituency { --filter-button-min-width: 140px; }

.filter-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #334155;
}

/* ================================
   ★★★ フィルタボタン（アイコン化）
================================ */
/* フィルタボタン */
#openFilterBtn{
    background: #ffffff;
    border: 1px solid #938b8b;
    border-radius: 16px;
    width:24vw;
    padding: 0.6vh 2vw;
    font-size: clamp(10px, 3vw, 16px);
    display: flex;
    align-items: center;
    gap: 0.6vw;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    touch-action: manipulation;

}

/* フィルタボタンのアイコン */
#openFilterBtn::before{
    width: 40px;
    content: "🔍";
    font-size: clamp(12px, 3.5vw, 16px);
}

/* 一覧ページリンク（必要なので残す） */
.pageBtn{
    font-size: clamp(12px, 3vw, 18px);
    color: #0b0b0b;
    text-decoration: none;
}

/* 固定ヘッダー分の余白（必要） */
.headerSpacer{
    height: 12vh;
}

/* 状態表示（横並び） */
.topStatus {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1vh;
}




/* ============================================================
   ボタン群（均一グリッド）
============================================================ */
.filter-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--filter-button-min-width), 1fr));
    gap: 8px;
    min-width: 0;
}

.filter-block--party .filter-buttons {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.filter-buttons button {
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background: #ffffff;

    color: #334155;
    font-size: 14px;
    font-weight: 500;

    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);

    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        color 0.15s ease,
        box-shadow 0.15s ease;
}

.filter-buttons button:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
}

.filter-btn.filter-all-btn {
    background: #f1f5f9;
    border-color: #b8c4d3;
    color: #475569;
}

.filter-btn.selected {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.22);
}

.filter-btn.selected:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
}

.filter-buttons button:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.28);
    outline-offset: 2px;
}

#openConstituencyPickerBtn,
#openWinPickerBtn {
    min-height: 38px;
    padding: 6px 14px;
    border: 1px solid #94a3b8;
    border-radius: 10px;
    background: #f1f5f9;
    color: #334155;
    font-size: 14px;
    cursor: pointer;
}

#openConstituencyPickerBtn {
    grid-column: 1 / -1;
    width: 100%;
}

.filter-option-picker {
    width: 100%;
    box-sizing: border-box;
    margin-top: 12px;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
}

.filter-option-picker[hidden] {
    display: none;
}

.filter-option-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.filter-option-picker-header button {
    padding: 6px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #334155;
}

.filter-option-picker-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

#constituencySearch,
#winSearch {
    width: 100%;
    box-sizing: border-box;
    min-height: 40px;
    margin-bottom: 10px;
    padding: 8px 10px;
    border: 1px solid #94a3b8;
    border-radius: 8px;
    font-size: 16px;
}

.filter-option-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    max-height: 42vh;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.filter-option-list .filter-btn {
    min-width: 0;
    min-height: 38px;
    padding: 5px 8px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #334155;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.filter-option-list .filter-btn.selected {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

#constituencyNoResults,
#winNoResults {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 13px;
}

@media (max-width: 600px) {
    .filter-block {
        display: grid;
        grid-template-columns: 56px minmax(0, 1fr);
        align-items: start;
        column-gap: 8px;
    }

    .filter-title {
        margin: 6px 0 0;
    }

    .filter-buttons {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 6px;
    }

    .filter-block--party .filter-buttons {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .filter-block--role .filter-buttons {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .filter-block--constituency .filter-option-picker,
    .filter-block--win .filter-option-picker {
        grid-column: 1 / -1;
    }

    .filter-option-list {
        max-height: 38vh;
    }

    .filter-buttons button {
        width: 100%;
        min-width: 0;
        height: auto;
        min-height: 38px;
        padding: 4px 2px;
        font-size: clamp(9px, 2.8vw, 12px);
        line-height: 1.15;
        white-space: normal;
        overflow-wrap: anywhere;
    }
}
/* ============================================================
   OK / 閉じる
============================================================ */
/* ============================================================
   OK / 閉じる（上部固定）
============================================================ */
.filter-ok {
    position: sticky;
    top: -20px;

    z-index: 1000;

    display: flex;
    gap: 14px;

    margin-top: 0;
    margin-bottom: 16px;

    padding: 10px;

    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);

    border-bottom: 1px solid rgba(0,0,0,0.12);
}

#filterApplyBtn,
#filterResetBtn,
#filterCloseBtn {
    box-sizing: border-box;
    flex: 1 1 0;
    min-width: 0;
    min-height: 48px;
    padding: 10px 8px;
    border: 1px solid transparent;
    border-radius: 12px;
    text-align: center;
    font-size: clamp(11px, 3vw, 15px);
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.14);
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

#filterApplyBtn {
    background: #252a32;
    border-color: #2563eb;
    color: #fff;
}

#filterApplyBtn:hover {
    background: #1d4ed8;
}

#filterResetBtn {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #334155;
}

#filterResetBtn:hover {
    background: #e2e8f0;
}

#filterCloseBtn {
    background: #e96e73;
    border-color: #df5e65;
    color: #fff;
}

#filterCloseBtn:hover {
    background: #dc5961;
}