/*
 * HephaestusによるE天の美の法典 Ver. 2.0 (真・完全無欠・自己完結版)
 */

/* ============================================= */
/* 0. この聖域にのみ適用される変数と基本設定      */
/* ============================================= */
:root {
    --tenki-primary: #0055a5;
    --tenki-text: #2d3748;
    --tenki-text-light: #718096;
    --tenki-bg-light: #f7fafc;
    --tenki-border: #e2e8f0;
}

/* ============================================= */
/* 1. コントロールパネル                         */
/* ============================================= */
.control-panel { background-color: #ffffff; padding: 25px 30px; border-radius: 16px; box-shadow: 0 8px 25px rgba(0,0,0,0.07); border: 1px solid var(--tenki-border); display: flex; flex-direction: column; gap: 25px; margin-bottom: 40px; }
.control-section h4 { font-size: 1.2em; color: var(--tenki-primary); margin: 0 0 15px 0; display:flex; align-items:center; gap: 10px; font-weight: bold; }
.step-number { background: var(--tenki-primary); color: #fff; border-radius: 50%; width: 26px; height: 26px; display:inline-flex; justify-content:center; align-items:center; font-size: 0.9em; font-weight: bold; }

.day-selector { display: flex; flex-wrap: wrap; gap: 10px; }
.day-btn { font-size: 1.05em; padding: 10px 22px; border: 2px solid var(--tenki-border); border-radius: 8px; background-color: #fff; color: #4a5568; font-weight: bold; cursor: pointer; transition: all 0.2s ease; }
.day-btn:hover { border-color: var(--tenki-primary); color: var(--tenki-primary); }
.day-btn.active { background-color: var(--tenki-primary); color: #fff; border-color: var(--tenki-primary); }

.region-selector { font-size: 1.1em; padding: 12px 15px; border: 2px solid var(--tenki-border); border-radius: 8px; width: 100%; cursor: pointer; background-color: #fff; }
.region-selector:focus { outline: none; border-color: var(--tenki-primary); box-shadow: 0 0 0 3px rgba(0, 85, 165, 0.2); }

/* ============================================= */
/* 2. 結果表示エリア                           */
/* ============================================= */
#weather-container .placeholder-message { padding: 50px; text-align: center; background-color: var(--tenki-bg-light); border-radius: 12px; border: 2px dashed var(--tenki-border); }
.placeholder-message p { color: var(--tenki-text-light); font-size: 1.1em; line-height: 1.8;}
.loading-message p, .error-message p { color: var(--tenki-text-light); font-size: 1.1em; }

.weather-card {
    background-color: #ffffff; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); margin-bottom: 40px; padding: 0; border: 1px solid #edf2f7; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s;
}
.weather-card:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(0,0,0,0.12); }

.weather-card-header { padding: 25px 30px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 15px; background-color: var(--tenki-bg-light); border-bottom: 1px solid var(--tenki-border); }
.weather-card-header h3 { font-size: 1.8em; color: var(--tenki-primary); margin: 0; font-weight: bold; }
.day-of-week { font-size: 0.8em; font-weight: normal; color: #4a5568; margin-left: 10px; }
.report-time { font-size: 0.9em; color: var(--tenki-text-light); white-space: nowrap;}

.weather-card-body { display: grid; grid-template-columns: 1fr; gap: 30px; padding: 30px; }
.weather-primary { display: grid; grid-template-columns: 120px 1fr; gap: 30px; align-items: center; }
.weather-primary-icon img { width: 120px; height: auto; display: block; }
.weather-primary-text { font-size: 1.8em; font-weight: bold; line-height: 1.4; color: var(--tenki-text); }

.weather-details { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.detail-item { background-color: var(--tenki-bg-light); padding: 15px; border-radius: 10px; text-align: center; border: 1px solid var(--tenki-border); }
.detail-item-full { grid-column: 1 / -1; }
.detail-item .label { font-size: 0.9em; color: var(--tenki-text-light); margin-bottom: 8px; }
.detail-item .value { font-size: 1.6em; font-weight: bold; color: var(--tenki-primary); }
.detail-item .value .unit { font-size: 0.6em; font-weight: normal; margin-left: 2px;}

.temp-max { color: #d9534f; }
.temp-min { color: #428bca; }

/* ============================================= */
/* 3. ちさまる＆コレクト解説セクション              */
/* ============================================= */
.explanation-toggle {
    display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 12px 20px; font-size: 1.1em; font-weight: bold; color: var(--tenki-primary);
    background-color: #ebf8ff; border: none; border-top: 1px solid var(--tenki-border); cursor: pointer; transition: background-color 0.2s;
}
.explanation-toggle:hover { background-color: #bee3f8; }
.explanation-toggle .toggle-icon { transition: transform 0.3s ease; font-size: 1.2em; line-height: 1; }
.explanation-toggle[aria-expanded="true"] .toggle-icon { transform: rotate(180deg); }

.explanation-content {
    padding: 30px; background-color: #f7fafc; border-top: 1px solid var(--tenki-border);
    display: none; /* 初期状態では非表示 */
}
.explanation-content.is-open { display: block; } /* is-open クラスで表示 */
.explanation-content .info-section { padding-top:25px; margin-top:25px; border-top:1px dashed #e2e8f0; }
.explanation-content .info-section:first-child { margin-top:0; padding-top:0; border-top:none; }
.explanation-content .info-section h4 { font-size:1.1em; padding-bottom:8px; border-bottom:2px solid #edf2f7; margin-bottom:15px; color:var(--tenki-primary); }

.commentary{display:flex;align-items:flex-start;gap:15px;margin-bottom:20px}.commentary:last-child{margin-bottom:0}.commentary img{width:50px;height:50px;flex-shrink:0}.commentary .bubble{padding:12px 18px;border-radius:18px;position:relative;line-height:1.7;font-size:1.05em;width:100%}.chisamaru-comment .bubble{background-color:#ebf8ff;color:#2c5282}.chisamaru-comment .bubble::before{content:'';position:absolute;top:15px;left:-8px;width:0;height:0;border:9px solid transparent;border-right-color:#ebf8ff}.correct-comment{flex-direction:row-reverse}.correct-comment .bubble{background-color:#f7fafc;color:#4a5568}.correct-comment .bubble::before{content:'';position:absolute;top:15px;right:-8px;width:0;height:0;border:9px solid transparent;border-left-color:#f7fafc}

@media (max-width: 600px) { .weather-primary { grid-template-columns: 1fr; text-align: center; } .weather-details { grid-template-columns: 1fr; } .detail-item-full { grid-column: auto; } }

/* ============================================= */
/* 3. ちさまる＆コレクト解説セクション（深化版）      */
/* ============================================= */

.commentary .bubble h4 {
    font-size: 1.1em;
    font-weight: bold;
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid;
}
.commentary .bubble p {
    margin: 0;
    font-size: 1em; /* 基本のフォントサイズを bubble に合わせる */
}

/* ちさまるのバブル */
.chisamaru-comment .bubble { border-bottom: 3px solid #63b3ed; }
.chisamaru-comment .bubble h4 { color: #2c5282; border-bottom-color: #bee3f8; }

/* コレクトのバブル */
.correct-comment .bubble { border-bottom: 3px solid #a0aec0; }
.correct-comment .bubble h4 { color: #4a5568; border-bottom-color: #e2e8f0; }

/* ============================================= */
/* 0. ヘッダー (コレクト巨大化問題の殲滅)        */
/* ============================================= */
.weather-page-header {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-icon-container {
    flex-shrink: 0; /* アイコンが縮まないようにする */
}
.header-icon {
    width: 80px;  /* 幅を固定 */
    height: auto; /* 高さは自動 */
    display: block;
}

/* ============================================= */
/* 1. コントロールパネル (詳細地域セレクター対応)   */
/* ============================================= */
.region-selectors-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}
/* ★★ 新たな器 #area-selector-wrapper へのスタイル ★★ */
#area-selector-wrapper {
    width: 100%;
    min-width: 250px;
    flex-grow: 1;
}