* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px;
}

h1 {
    text-align: center;
    color: #06c755;
    margin-bottom: 24px;
    font-size: 1.6rem;
}

h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #555;
    border-bottom: 2px solid #06c755;
    padding-bottom: 4px;
}

.section {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* アカウント追加 */
.add-account {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.add-account input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
}

.add-account input:focus {
    outline: none;
    border-color: #06c755;
}

.add-account button {
    padding: 10px 20px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    white-space: nowrap;
}

.add-account button:hover {
    background: #05b04a;
}

.add-account button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.add-account-extra {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.add-account-extra input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.85rem;
}

.add-account-extra input:focus {
    outline: none;
    border-color: #06c755;
}

.add-account-extra input[type="number"] {
    max-width: 160px;
}

/* アカウントリスト */
.account-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.empty-msg {
    color: #999;
    text-align: center;
    padding: 16px;
    font-size: 0.9rem;
}

.account-item {
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background 0.2s;
}

.account-item:hover {
    background: #e8f5e9;
}

.account-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.account-header input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #06c755;
    cursor: pointer;
}

.account-header .name {
    flex: 1;
    font-weight: 500;
}

.account-header .action-btn {
    background: none;
    border: 1px solid #ddd;
    color: #666;
    cursor: pointer;
    font-size: 0.8rem;
    padding: 3px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.account-header .action-btn:hover {
    border-color: #06c755;
    color: #06c755;
}

.account-header .delete-btn {
    background: none;
    border: none;
    color: #e53935;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 2px 6px;
    border-radius: 4px;
}

.account-header .delete-btn:hover {
    background: #ffebee;
}

/* 友だち数とプログレスバー */
.account-detail {
    margin-top: 8px;
    padding-left: 28px;
}

.friend-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 4px;
}

.friend-info .count {
    font-weight: 600;
    color: #333;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 6px;
}

.progress-bar .fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-bar .fill.green { background: #06c755; }
.progress-bar .fill.yellow { background: #ffc107; }
.progress-bar .fill.red { background: #e53935; }

/* Webhook URL */
.webhook-info {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #888;
    margin-top: 4px;
}

.webhook-info code {
    background: #f0f2f5;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    word-break: break-all;
    flex: 1;
}

.copy-btn {
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    padding: 2px 6px;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.copy-btn:hover {
    border-color: #06c755;
    background: #e8f5e9;
}

/* 登録URLセクション */
.register-url-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.register-url-box code {
    flex: 1;
    font-size: 0.9rem;
    word-break: break-all;
    color: #06c755;
    font-weight: 600;
}

.hint {
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 12px;
}

.capacity-overview {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.capacity-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    padding: 6px 10px;
    background: #f8f9fa;
    border-radius: 6px;
}

.capacity-row .cap-name {
    min-width: 100px;
    font-weight: 500;
}

.capacity-row .cap-bar {
    flex: 1;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
}

.capacity-row .cap-fill {
    height: 100%;
    border-radius: 3px;
}

.capacity-row .cap-fill.green { background: #06c755; }
.capacity-row .cap-fill.yellow { background: #ffc107; }
.capacity-row .cap-fill.red { background: #e53935; }

.capacity-row .cap-text {
    min-width: 80px;
    text-align: right;
    font-size: 0.8rem;
    color: #666;
}

/* メッセージ入力 */
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    resize: vertical;
    font-family: inherit;
}

textarea:focus {
    outline: none;
    border-color: #06c755;
}

.char-count {
    text-align: right;
    color: #999;
    font-size: 0.8rem;
}

.friend-count-badge {
    font-size: 0.8rem;
    color: #888;
    margin-left: auto;
}

.image-attach-area {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.image-attach-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: #f0f2f5;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    color: #555;
    transition: background 0.15s;
}

.image-attach-btn:hover {
    background: #e8f5e9;
    border-color: #06c755;
    color: #06c755;
}

.broadcast-image-preview {
    display: flex;
    align-items: center;
    gap: 8px;
}

.broadcast-image-preview img {
    max-height: 60px;
    max-width: 100px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid #ddd;
    margin-top: 4px;
}

/* 送信モード */
.mode-select {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.mode-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-option:has(input:checked) {
    border-color: #06c755;
    background: #e8f5e9;
}

.mode-option input[type="radio"] {
    margin-bottom: 4px;
    accent-color: #06c755;
}

.mode-label {
    font-weight: bold;
    font-size: 0.95rem;
}

.mode-desc {
    font-size: 0.8rem;
    color: #888;
}

/* ユーザーID入力 */
#userIdsArea {
    margin-top: 12px;
}

/* 送信ボタン */
.send-btn {
    width: 100%;
    padding: 14px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

.send-btn:hover {
    background: #05b04a;
}

.send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 結果表示 */
.result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.result-item.success {
    background: #e8f5e9;
    color: #2e7d32;
}

.result-item.error {
    background: #ffebee;
    color: #c62828;
}

.result-item .icon {
    font-size: 1.3rem;
}

.result-item .detail {
    flex: 1;
}

.result-item .name {
    font-weight: bold;
}

.result-item .msg {
    font-size: 0.85rem;
    margin-top: 2px;
}

/* モーダル */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    width: 360px;
    max-width: 90vw;
}

.modal-content h3 {
    margin-bottom: 16px;
    color: #333;
}

.modal-content label {
    display: block;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 4px;
    margin-top: 12px;
}

.modal-content label:first-of-type {
    margin-top: 0;
}

.modal-content input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
}

.modal-content input:focus {
    outline: none;
    border-color: #06c755;
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    justify-content: flex-end;
}

.modal-cancel {
    padding: 8px 16px;
    background: #f0f2f5;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

.modal-cancel:hover {
    background: #e0e0e0;
}

.modal-save {
    padding: 8px 20px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
}

.modal-save:hover {
    background: #05b04a;
}

/* 予約送信トグル */
.schedule-toggle {
    margin-bottom: 12px;
}

.schedule-check-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
}

.schedule-check-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #06c755;
    cursor: pointer;
}

.schedule-input {
    margin-top: 10px;
}

.schedule-input input[type="datetime-local"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
}

.schedule-input input[type="datetime-local"]:focus {
    outline: none;
    border-color: #06c755;
}

/* 予約一覧 */
.schedule-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    border-left: 4px solid #06c755;
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.schedule-time {
    font-weight: 600;
    font-size: 0.95rem;
    color: #06c755;
}

.schedule-cancel-btn {
    background: none;
    border: none;
    color: #e53935;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px 6px;
    border-radius: 4px;
}

.schedule-cancel-btn:hover {
    background: #ffebee;
}

.schedule-body {
    padding-left: 2px;
}

.schedule-msg {
    font-size: 0.9rem;
    color: #333;
    margin-bottom: 4px;
}

.schedule-meta {
    font-size: 0.8rem;
    color: #888;
}

/* ─── ユーザーバー ─────────────────────────────── */
.user-bar {
    background: #06c755;
    color: #fff;
    padding: 8px 16px;
    font-size: 0.85rem;
}

.user-bar-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-email {
    font-weight: 600;
}

.user-bar-links {
    display: flex;
    gap: 16px;
}

.user-bar-links a {
    color: #fff;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.user-bar-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ─── ログインページ ──────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f2f5;
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    width: 380px;
    max-width: 90vw;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header h1 {
    color: #06c755;
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.login-header p {
    color: #888;
    font-size: 0.9rem;
}

.login-field {
    margin-bottom: 16px;
}

.login-field label {
    display: block;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 4px;
    font-weight: 500;
}

.login-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
}

.login-field input:focus {
    outline: none;
    border-color: #06c755;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}

.login-btn:hover {
    background: #05b04a;
}

.login-error {
    background: #ffebee;
    color: #c62828;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

/* ─── 管理画面 ────────────────────────────────── */
.admin-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.admin-form input[type="text"],
.admin-form input[type="password"] {
    flex: 1;
    min-width: 140px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
}

.admin-form input:focus {
    outline: none;
    border-color: #06c755;
}

.admin-check-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
    white-space: nowrap;
    cursor: pointer;
}

.admin-check-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #06c755;
}

.add-user-btn {
    padding: 8px 20px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    white-space: nowrap;
}

.add-user-btn:hover {
    background: #05b04a;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background: #f8f9fa;
    color: #555;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.admin-table tr:hover {
    background: #f8f9fa;
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-admin {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-user {
    background: #f0f2f5;
    color: #666;
}

.action-cell {
    display: flex;
    gap: 6px;
}

.btn-reset {
    padding: 4px 10px;
    background: #fff;
    border: 1px solid #06c755;
    color: #06c755;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    white-space: nowrap;
}

.btn-reset:hover {
    background: #e8f5e9;
}

.btn-delete-user {
    padding: 4px 10px;
    background: #fff;
    border: 1px solid #e53935;
    color: #e53935;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    white-space: nowrap;
}

.btn-delete-user:hover {
    background: #ffebee;
}

/* ユーティリティ */
.hidden {
    display: none !important;
}

/* ローディング */
.loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── 友だち一覧 ──────────────────────────────── */

.friends-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.friends-search input {
    padding: 8px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
    width: 200px;
}

.friends-search input:focus {
    outline: none;
    border-color: #06c755;
}

.friends-filter {
    display: flex;
    gap: 8px;
}

.friends-filter select {
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.85rem;
    background: #fff;
}

.friends-count {
    margin-left: auto;
    font-size: 0.85rem;
    color: #888;
    font-weight: bold;
}

.friends-list {
    display: flex;
    flex-direction: column;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f0f2f5;
}

.friend-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

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

.friend-name {
    font-weight: 600;
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.friend-meta {
    display: flex;
    gap: 10px;
    margin-top: 3px;
    font-size: 0.8rem;
    color: #888;
}

.friend-account {
    color: #06c755;
}

.friend-status {
    font-weight: bold;
}

.status-active {
    color: #06c755;
}

.status-blocked {
    color: #e53935;
}

.friend-msgs {
    color: #999;
}

.friend-date {
    font-size: 0.78rem;
    color: #aaa;
    flex-shrink: 0;
}

@media (max-width: 520px) {
    .friends-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .friends-search input {
        width: 100%;
    }

    .friends-count {
        margin-left: 0;
    }
}

/* ─── チャット画面 ──────────────────────────────── */

.chat-bar-inner {
    max-width: 1100px;
}

/* 未読バッジ（ナビバー） */
.nav-badge {
    background: #e53935;
    color: #fff;
    font-size: 0.65rem;
    font-weight: bold;
    padding: 1px 5px;
    border-radius: 8px;
    margin-left: 3px;
    vertical-align: super;
}

.active-link {
    font-weight: bold;
    text-decoration: underline !important;
    opacity: 1 !important;
}

.chat-container {
    display: flex;
    height: calc(100vh - 40px);
    max-width: 1100px;
    margin: 0 auto;
    background: #fff;
}

/* サイドバー */
.chat-sidebar {
    width: 300px;
    min-width: 300px;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    background: #fff;
}

.chat-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.chat-sidebar-header h2 {
    margin: 0;
    font-size: 1.1rem;
    color: #06c755;
    border: none;
    padding: 0;
}

.chat-conv-list {
    flex: 1;
    overflow-y: auto;
}

.chat-empty {
    color: #999;
    text-align: center;
    padding: 32px 16px;
    font-size: 0.9rem;
}

/* 会話アイテム */
.conv-item {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid #f0f2f5;
    transition: background 0.15s;
}

.conv-item:hover {
    background: #f8f9fa;
}

.conv-item.conv-active {
    background: #e8f5e9;
}

.conv-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.conv-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.conv-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.conv-name {
    font-weight: 600;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-time {
    font-size: 0.72rem;
    color: #999;
    flex-shrink: 0;
    margin-left: 6px;
}

.conv-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.conv-last {
    font-size: 0.82rem;
    color: #888;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-unread {
    background: #06c755;
    color: #fff;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 1px 7px;
    border-radius: 10px;
    flex-shrink: 0;
    margin-left: 6px;
}

.conv-bot {
    font-size: 0.72rem;
    color: #aaa;
}

/* メインエリア */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.chat-main-placeholder {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #bbb;
    font-size: 1rem;
}

.chat-main-active {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid #e0e0e0;
    background: #fafafa;
}

.chat-back-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
    color: #06c755;
}

.chat-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.chat-header-info {
    display: flex;
    flex-direction: column;
}

.chat-header-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-header-bot {
    font-size: 0.75rem;
    color: #999;
}

/* メッセージエリア */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #f0f2f5;
}

.chat-bubble {
    max-width: 70%;
    padding: 10px 14px;
    border-radius: 16px;
    word-break: break-word;
}

.chat-bubble-in {
    align-self: flex-start;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-bottom-left-radius: 4px;
}

.chat-bubble-out {
    align-self: flex-end;
    background: #06c755;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.bubble-text {
    font-size: 0.92rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.bubble-time {
    font-size: 0.68rem;
    margin-top: 4px;
    opacity: 0.7;
    text-align: right;
}

.chat-bubble-in .bubble-time {
    color: #999;
}

.bubble-image {
    max-width: 220px;
    max-height: 220px;
    border-radius: 8px;
    cursor: pointer;
    display: block;
}

/* 画像プレビュー */
.chat-image-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
}

.chat-image-preview img {
    max-height: 80px;
    max-width: 120px;
    border-radius: 6px;
    object-fit: cover;
}

.image-preview-cancel {
    background: #e53935;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 1rem;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
}

/* ライトボックス */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 4px;
}

/* 入力エリア */
.chat-input-area {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid #e0e0e0;
    background: #fff;
    align-items: flex-end;
}

.chat-input-area textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 0.9rem;
    resize: none;
    max-height: 120px;
    line-height: 1.4;
    font-family: inherit;
}

.chat-input-area textarea:focus {
    outline: none;
    border-color: #06c755;
}

.chat-attach-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #888;
    padding: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-attach-btn:hover {
    color: #06c755;
    background: #f0f2f5;
}

.chat-send-btn {
    padding: 10px 20px;
    background: #06c755;
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: #05b04a;
}

.chat-send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* モバイル対応 */
@media (max-width: 520px) {
    .chat-sidebar {
        width: 100%;
        min-width: 100%;
    }

    .chat-main {
        display: none;
    }

    .chat-sidebar-hidden {
        display: none !important;
    }

    .chat-main-visible {
        display: flex !important;
    }

    .chat-back-btn {
        display: block;
    }

    .chat-bubble {
        max-width: 85%;
    }
}