/* ============================================================
   AI Director — チャットUI スタイル v1.2.0
   ============================================================ */

:root {
    --aid-bg:          #0f0f1a;
    --aid-surface:     #1a1a2e;
    --aid-surface2:    #16213e;
    --aid-border:      #2a2a4a;
    --aid-gold:        #d4a843;
    --aid-gold-light:  #f0c060;
    --aid-text:        #e8e8f0;
    --aid-text-muted:  #8888aa;
    --aid-user-bg:     #1e3a5f;
    --aid-user-text:   #cce4ff;
    --aid-ai-bg:       #1a1a2e;
    --aid-ai-text:     #e8e8f0;
    --aid-error:       #ff6b6b;
    --aid-radius:      12px;
    --aid-radius-sm:   8px;
    --aid-shadow:      0 4px 24px rgba(0,0,0,0.4);
}

/* ラッパー */
.aid-wrap {
    background: var(--aid-bg);
    border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    font-size: 15px;
    color: var(--aid-text);
    max-width: 860px;
    margin: 0 auto;
    box-shadow: var(--aid-shadow);
}

/* APIキーバー */
.aid-apikey-bar {
    background: linear-gradient(90deg, #1a1200, #2a1f00);
    border-bottom: 1px solid var(--aid-gold);
    padding: 10px 20px;
}
.aid-apikey-inner {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.aid-apikey-icon { font-size: 18px; }
.aid-apikey-label { flex: 1; color: var(--aid-gold-light); font-size: 14px; }

/* ヘッダー */
.aid-header {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
    border-bottom: 1px solid var(--aid-border);
    padding: 16px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.aid-header-left { display: flex; align-items: center; gap: 12px; }
.aid-logo { font-size: 28px; line-height: 1; }
.aid-title { font-size: 16px; font-weight: 700; color: var(--aid-gold); letter-spacing: 0.02em; }
.aid-subtitle { font-size: 12px; color: var(--aid-text-muted); margin-top: 2px; }
.aid-header-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }

/* ============================================================
   事前入力パネル
   ============================================================ */
.aid-prereq-panel {
    padding: 24px 28px;
    background: var(--aid-bg);
}

.aid-prereq-header {
    display: flex; align-items: flex-start; gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--aid-border);
}
.aid-prereq-icon { font-size: 28px; line-height: 1; margin-top: 2px; }
.aid-prereq-title { font-size: 17px; font-weight: 700; color: var(--aid-gold); }
.aid-prereq-desc { font-size: 13px; color: var(--aid-text-muted); margin-top: 4px; line-height: 1.6; }

.aid-prereq-section {
    margin-bottom: 24px;
}
.aid-prereq-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--aid-text);
    margin-bottom: 12px;
}
.aid-prereq-textarea {
    width: 100%;
    background: var(--aid-surface);
    border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius-sm);
    color: var(--aid-text);
    font-size: 14px;
    line-height: 1.7;
    padding: 12px 14px;
    resize: vertical;
    min-height: 80px;
    outline: none;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.aid-prereq-textarea:focus { border-color: var(--aid-gold); }
.aid-prereq-textarea::placeholder { color: var(--aid-text-muted); }

/* チェックボックスグリッド */
.aid-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}
.aid-checkbox-grid--2col { grid-template-columns: 1fr 1fr; }
.aid-checkbox-grid--3col { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

.aid-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--aid-surface);
    border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius-sm);
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
}
.aid-checkbox-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.aid-checkbox-label:hover {
    border-color: var(--aid-gold);
    background: rgba(212,168,67,0.05);
}
.aid-checkbox-label:has(input:checked) {
    border-color: var(--aid-gold);
    background: rgba(212,168,67,0.1);
}

.aid-checkbox-box {
    width: 18px;
    height: 18px;
    border: 2px solid var(--aid-border);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
    position: relative;
    transition: border-color 0.2s;
}
.aid-checkbox-label:has(input:checked) .aid-checkbox-box {
    border-color: var(--aid-gold);
    background: var(--aid-gold);
}
.aid-checkbox-label:has(input:checked) .aid-checkbox-box::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #0f0f1a;
}

.aid-checkbox-content {
    display: flex; flex-direction: column; gap: 3px;
}
.aid-checkbox-content strong {
    font-size: 13px;
    color: var(--aid-text);
    line-height: 1.3;
}
.aid-checkbox-content small {
    font-size: 11px;
    color: var(--aid-text-muted);
    line-height: 1.4;
}
.aid-checkbox-label:has(input:checked) .aid-checkbox-content strong {
    color: var(--aid-gold-light);
}

/* カード型チェックボックス */
.aid-checkbox-label--card {
    align-items: flex-start;
    padding: 14px 16px;
}
.aid-checkbox-label--card .aid-checkbox-content small {
    margin-top: 4px;
    font-size: 12px;
}

/* スタートボタンエリア */
.aid-prereq-start {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--aid-border);
    text-align: center;
}
.aid-start-btn {
    font-size: 15px;
    padding: 14px 36px;
    border-radius: var(--aid-radius);
}
.aid-prereq-note {
    font-size: 12px;
    color: var(--aid-text-muted);
    margin-top: 10px;
}

/* ============================================================
   チャットエリア
   ============================================================ */
.aid-chat-area {
    min-height: 400px;
    max-height: 560px;
    overflow-y: auto;
    padding: 20px;
    background: var(--aid-bg);
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}
.aid-chat-area::-webkit-scrollbar { width: 6px; }
.aid-chat-area::-webkit-scrollbar-track { background: transparent; }
.aid-chat-area::-webkit-scrollbar-thumb { background: var(--aid-border); border-radius: 3px; }

/* メッセージ */
.aid-msg {
    display: flex;
    gap: 10px;
    max-width: 88%;
}
.aid-msg.aid-msg-user { align-self: flex-end; flex-direction: row-reverse; }
.aid-msg.aid-msg-ai   { align-self: flex-start; }
.aid-msg.aid-msg-summary { max-width: 100%; align-self: stretch; }

.aid-msg-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    border: 1px solid var(--aid-border);
}
.aid-msg-user .aid-msg-avatar { background: var(--aid-user-bg); }
.aid-msg-ai   .aid-msg-avatar { background: linear-gradient(135deg,#1a1a2e,#2a1f00); border-color: var(--aid-gold); }

.aid-msg-bubble {
    padding: 12px 16px;
    border-radius: var(--aid-radius);
    line-height: 1.7;
    word-break: break-word;
}
.aid-msg-user .aid-msg-bubble {
    background: var(--aid-user-bg);
    color: var(--aid-user-text);
    border-radius: var(--aid-radius) 4px var(--aid-radius) var(--aid-radius);
}
.aid-msg-ai .aid-msg-bubble {
    background: var(--aid-surface);
    color: var(--aid-ai-text);
    border: 1px solid var(--aid-border);
    border-radius: 4px var(--aid-radius) var(--aid-radius) var(--aid-radius);
}
.aid-msg-summary .aid-msg-bubble {
    flex: 1;
    background: var(--aid-surface2);
    border: 1px solid var(--aid-gold);
    border-radius: var(--aid-radius-sm);
}

/* まとめカード内テーブル */
.aid-summary-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--aid-gold);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.aid-summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.aid-summary-table th {
    color: var(--aid-text-muted);
    font-weight: 600;
    padding: 5px 12px 5px 0;
    white-space: nowrap;
    vertical-align: top;
    width: 120px;
}
.aid-summary-table td {
    color: var(--aid-text);
    padding: 5px 0;
    line-height: 1.6;
}
.aid-summary-empty {
    color: var(--aid-text-muted);
    font-size: 13px;
    margin: 0;
}

/* AIメッセージ内のMarkdownスタイル */
.aid-msg-ai .aid-msg-bubble h1,
.aid-msg-ai .aid-msg-bubble h2,
.aid-msg-ai .aid-msg-bubble h3 { color: var(--aid-gold); margin: 12px 0 6px; font-size: 15px; }
.aid-msg-ai .aid-msg-bubble code {
    background: #0a0a18; border: 1px solid var(--aid-border);
    border-radius: 4px; padding: 1px 5px; font-size: 13px; font-family: 'Courier New', monospace;
}
.aid-msg-ai .aid-msg-bubble pre {
    background: #0a0a18; border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius-sm); padding: 14px;
    overflow-x: auto; font-size: 13px; line-height: 1.6; margin: 10px 0; position: relative;
}
.aid-msg-ai .aid-msg-bubble pre code { background: none; border: none; padding: 0; font-size: inherit; }
.aid-msg-ai .aid-msg-bubble table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 13px; }
.aid-msg-ai .aid-msg-bubble th { background: var(--aid-surface2); color: var(--aid-gold); padding: 8px 12px; text-align: left; border: 1px solid var(--aid-border); }
.aid-msg-ai .aid-msg-bubble td { padding: 7px 12px; border: 1px solid var(--aid-border); color: var(--aid-text); }
.aid-msg-ai .aid-msg-bubble tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.aid-msg-ai .aid-msg-bubble strong { color: var(--aid-gold-light); }
.aid-msg-ai .aid-msg-bubble ul, .aid-msg-ai .aid-msg-bubble ol { padding-left: 20px; margin: 6px 0; }
.aid-msg-ai .aid-msg-bubble li { margin: 3px 0; }
.aid-msg-ai .aid-msg-bubble a { color: var(--aid-gold); text-decoration: underline; }
.aid-msg-ai .aid-msg-bubble hr { border: none; border-top: 1px solid var(--aid-border); margin: 12px 0; }

/* コピーボタン */
.aid-copy-btn {
    position: absolute; top: 8px; right: 8px;
    background: var(--aid-surface2); border: 1px solid var(--aid-border);
    color: var(--aid-text-muted); border-radius: 4px;
    padding: 3px 8px; font-size: 11px; cursor: pointer;
}
.aid-copy-btn:hover { color: var(--aid-gold); border-color: var(--aid-gold); }

/* タイピングインジケーター */
.aid-typing { display: flex; gap: 5px; padding: 4px 2px; align-items: center; }
.aid-typing span {
    width: 8px; height: 8px;
    background: var(--aid-gold); border-radius: 50%;
    animation: aid-bounce 1.2s infinite;
}
.aid-typing span:nth-child(2) { animation-delay: 0.2s; }
.aid-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes aid-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40%           { transform: scale(1); opacity: 1; }
}

/* 入力エリア */
.aid-input-area {
    background: var(--aid-surface); border-top: 1px solid var(--aid-border);
    padding: 14px 16px; display: flex; gap: 10px; align-items: flex-end;
}
.aid-textarea {
    flex: 1; background: var(--aid-bg); border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius-sm); color: var(--aid-text);
    font-size: 14px; line-height: 1.6; padding: 10px 14px; resize: none;
    outline: none; font-family: inherit; transition: border-color 0.2s;
}
.aid-textarea:focus { border-color: var(--aid-gold); }
.aid-textarea::placeholder { color: var(--aid-text-muted); }
.aid-textarea:disabled { opacity: 0.5; cursor: not-allowed; }

/* 送信ボタン */
.aid-send-btn {
    background: linear-gradient(135deg, var(--aid-gold), #b8902a);
    border: none; border-radius: var(--aid-radius-sm);
    color: #0f0f1a; font-size: 14px; font-weight: 700;
    padding: 10px 20px; cursor: pointer; white-space: nowrap;
    transition: opacity 0.2s, transform 0.1s; font-family: inherit;
}
.aid-send-btn:hover:not(:disabled) { opacity: 0.9; }
.aid-send-btn:active:not(:disabled) { transform: scale(0.97); }
.aid-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ボタン共通 */
.aid-btn-outline {
    background: transparent; border: 1px solid var(--aid-gold);
    color: var(--aid-gold); border-radius: var(--aid-radius-sm);
    padding: 5px 14px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.aid-btn-outline:hover { background: rgba(212,168,67,0.1); }

.aid-btn-ghost {
    background: transparent; border: 1px solid var(--aid-border);
    color: var(--aid-text-muted); border-radius: var(--aid-radius-sm);
    padding: 5px 12px; font-size: 12px; cursor: pointer; font-family: inherit;
}
.aid-btn-ghost:hover { border-color: var(--aid-gold); color: var(--aid-gold); }

.aid-btn-primary {
    background: linear-gradient(135deg, var(--aid-gold), #b8902a);
    border: none; border-radius: var(--aid-radius-sm);
    color: #0f0f1a; font-size: 14px; font-weight: 700;
    padding: 10px 24px; cursor: pointer; font-family: inherit;
}
.aid-btn-primary:hover { opacity: 0.9; }

/* モーダル */
.aid-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.7); z-index: 99999;
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.aid-modal {
    background: var(--aid-surface); border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius); width: 100%; max-width: 480px;
    box-shadow: var(--aid-shadow);
}
.aid-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--aid-border);
}
.aid-modal-header h3 { margin: 0; font-size: 16px; color: var(--aid-gold); }
.aid-modal-close { background: none; border: none; color: var(--aid-text-muted); font-size: 18px; cursor: pointer; padding: 2px 6px; }
.aid-modal-close:hover { color: var(--aid-text); }
.aid-modal-body { padding: 20px; }
.aid-modal-desc { color: var(--aid-text-muted); font-size: 13px; line-height: 1.7; margin-bottom: 16px; }
.aid-modal-footer { padding: 14px 20px; border-top: 1px solid var(--aid-border); text-align: right; }

/* フォームフィールド */
.aid-field { margin-bottom: 16px; }
.aid-label { display: block; font-size: 13px; color: var(--aid-text-muted); margin-bottom: 6px; font-weight: 600; }
.aid-input-text {
    width: 100%; background: var(--aid-bg); border: 1px solid var(--aid-border);
    border-radius: var(--aid-radius-sm); color: var(--aid-text);
    font-size: 14px; padding: 9px 12px; outline: none; box-sizing: border-box; font-family: inherit;
}
.aid-input-text:focus { border-color: var(--aid-gold); }
.aid-hint { font-size: 12px; color: var(--aid-text-muted); margin-top: 5px; }
.aid-hint a { color: var(--aid-gold); }

.aid-radio-group { display: flex; gap: 20px; }
.aid-radio-label { display: flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; color: var(--aid-text); }
.aid-radio-label input { accent-color: var(--aid-gold); }

.aid-key-status { font-size: 11px; font-weight: normal; margin-left: 8px; vertical-align: middle; }
.aid-key-row { display: flex; gap: 8px; align-items: center; }
.aid-key-row .aid-input-text { flex: 1; }
.aid-clear-key { white-space: nowrap; font-size: 12px; padding: 6px 10px; flex-shrink: 0; }

/* エラー */
.aid-license-error {
    background: #1a0000; border: 1px solid #c00;
    color: #ff9999; padding: 16px 20px;
    border-radius: var(--aid-radius); font-size: 14px;
}
.aid-license-error a { color: var(--aid-gold); }
.aid-msg-error .aid-msg-bubble { background: #1a0000; border-color: #c00; color: var(--aid-error); }

/* レスポンシブ */
@media (max-width: 640px) {
    .aid-prereq-panel { padding: 16px; }
    .aid-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .aid-header-actions { gap: 4px; }
    .aid-msg { max-width: 95%; }
    .aid-chat-area { min-height: 300px; max-height: 420px; padding: 14px; }
    .aid-modal { max-width: 100%; }
    .aid-checkbox-grid { grid-template-columns: 1fr; }
    .aid-checkbox-grid--2col { grid-template-columns: 1fr; }
    .aid-checkbox-grid--3col { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   v1.2.0 事前設定パネル
   ============================================================ */

.aid-preset-panel {
    border-bottom: 1px solid var(--aid-border);
    background: var(--aid-surface2);
}

.aid-preset-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 13px;
    color: var(--aid-text-muted);
    user-select: none;
    transition: color 0.2s;
}
.aid-preset-header:hover { color: var(--aid-gold); }
.aid-preset-arrow { font-size: 11px; }

.aid-preset-body {
    padding: 16px 20px 20px;
    display: none; /* 初期は閉じた状態 */
    border-top: 1px solid var(--aid-border);
}

.aid-preset-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.aid-preset-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-bottom: 0;
}

.aid-preset-group {
    flex: 1;
    min-width: 200px;
}

.aid-preset-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--aid-gold);
    margin-bottom: 8px;
    letter-spacing: 0.03em;
}

.aid-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--aid-text);
    cursor: pointer;
    margin-bottom: 6px;
    line-height: 1.4;
}
.aid-check input[type="radio"],
.aid-check input[type="checkbox"] {
    accent-color: var(--aid-gold);
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}
.aid-check:hover { color: var(--aid-gold-light); }

.aid-preset-memo {
    width: 100%;
    box-sizing: border-box;
    font-size: 13px;
    resize: vertical;
    min-height: 64px;
}

.aid-preset-footer {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 16px;
}

@media (max-width: 600px) {
    .aid-preset-row { flex-direction: column; gap: 16px; }
    .aid-preset-group { min-width: unset; }
    .aid-preset-checks { gap: 6px 12px; }
}

/* ============================================================
   v1.3.0 追加スタイル
   ============================================================ */

/* チャットエリア初期ヒント */
.aid-chat-hint {
    text-align: center;
    color: var(--aid-text-muted);
    font-size: 13px;
    padding: 32px 20px;
    line-height: 1.7;
}

/* 事前設定パネル：初期状態でヘッダーだけ目立つようにする */
.aid-preset-panel {
    background: linear-gradient(180deg, #16213e 0%, #1a1a2e 100%);
}
.aid-preset-header {
    font-size: 14px;
    color: var(--aid-gold);
    font-weight: 600;
}
.aid-preset-header:hover {
    background: rgba(212,168,67,0.06);
}