/* ===== SAPO＋NET Platform Styles ===== */
:root {
    --mnet-primary: #691418;
    --mnet-primary-hover: #521012;
    --mnet-accent: #691418;
    --mnet-accent-light: #fde8e8;
    --mnet-success: #10b981;
    --mnet-danger: #ef4444;
    --mnet-warning: #f59e0b;
    --mnet-bg: #f1f5f9;
    --mnet-card: #ffffff;
    --mnet-text: #1e293b;
    --mnet-muted: #64748b;
    --mnet-border: #e2e8f0;
    --mnet-radius: 10px;
    --mnet-radius-sm: 6px;
    --mnet-shadow: 0 1px 3px rgba(0,0,0,.06), 0 2px 12px rgba(0,0,0,.04);
    --mnet-transition: .2s ease;
    --mnet-font: 'Inter','Noto Sans JP',-apple-system,sans-serif;
}

/* == Form Container == */
.mnet-form-container { max-width: 480px; margin: 40px auto; padding: 0 16px; }
.mnet-form-container.mnet-form-wide { max-width: 720px; }
.mnet-form-card { background: var(--mnet-card); border-radius: var(--mnet-radius); padding: 36px 32px; box-shadow: var(--mnet-shadow); border: 1px solid var(--mnet-border); }
.mnet-form-header { text-align: center; margin-bottom: 28px; }
.mnet-form-header h2 { font-size: 1.5rem; font-weight: 700; color: var(--mnet-text); margin: 0 0 6px; }
.mnet-form-header p { color: var(--mnet-muted); font-size: .9rem; margin: 0; line-height: 1.6; }
.mnet-form-footer { text-align: center; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--mnet-border); }
.mnet-form-footer p { color: var(--mnet-muted); font-size: .85rem; margin: 4px 0; }
.mnet-form-footer a { color: var(--mnet-accent); font-weight: 600; }
.mnet-link-sm { font-size: .8rem; color: var(--mnet-accent); }
.mnet-link-sm-block { margin-top: 8px; }

/* == Fields == */
.mnet-field { margin-bottom: 18px; }
.mnet-form label { display: block; font-size: .85rem; font-weight: 600; color: var(--mnet-text); margin-bottom: 5px; }
.mnet-form input[type="text"],.mnet-form input[type="email"],.mnet-form input[type="tel"],
.mnet-form input[type="url"],.mnet-form input[type="password"],.mnet-form textarea,.mnet-select,.mnet-textarea {
    width: 100%; padding: 10px 14px; font-size: .9rem; border: 1.5px solid var(--mnet-border);
    border-radius: var(--mnet-radius-sm); background: var(--mnet-bg); color: var(--mnet-text);
    transition: border-color var(--mnet-transition); outline: none; box-sizing: border-box; font-family: var(--mnet-font);
}
.mnet-form input:focus,.mnet-form textarea:focus,.mnet-select:focus,.mnet-textarea:focus {
    border-color: var(--mnet-accent); box-shadow: 0 0 0 3px rgba(14,165,233,.1); background: #fff;
}
.mnet-form textarea { resize: vertical; min-height: 80px; }
.mnet-req { color: var(--mnet-danger); }
.mnet-pw-wrap { position: relative; }
.mnet-pw-wrap input { padding-right: 42px; }
.mnet-toggle-pw { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; opacity: .5; font-size: 1rem; }
.mnet-toggle-pw:hover { opacity: 1; }
.mnet-field-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.mnet-checkbox { display: flex; align-items: center; gap: 6px; font-weight: 400 !important; cursor: pointer; }
.mnet-checkbox input { width: 16px; height: 16px; accent-color: var(--mnet-primary); }
.mnet-fieldset { border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius-sm); padding: 20px 20px 8px; margin-bottom: 20px; }
.mnet-fieldset legend { font-weight: 700; font-size: .9rem; color: var(--mnet-primary); padding: 0 8px; }
.mnet-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* == Role Select == */
.mnet-role-select { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mnet-role-option { cursor: pointer; }
.mnet-role-select:not(.mnet-role-select--register-multi) .mnet-role-option input { display: none; }

/* 会員登録：チェック複数選択（左上チェック → 下にテキスト） */
.mnet-role-select--register-multi .mnet-role-option {
    display: block;
    min-width: 0;
}
.mnet-role-select--register-multi .mnet-role-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    padding: 14px 16px;
    border: 2px solid var(--mnet-border);
    border-radius: var(--mnet-radius-sm);
    text-align: left;
    transition: border-color var(--mnet-transition), background var(--mnet-transition);
    box-sizing: border-box;
    width: 100%;
    background: var(--mnet-card);
}
.mnet-role-select--register-multi .mnet-role-card:has(.mnet-role-reg-input:checked),
.mnet-role-select--register-multi .mnet-role-option.active .mnet-role-card {
    border-color: var(--mnet-accent);
    background: var(--mnet-accent-light);
}
.mnet-role-reg-input {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--mnet-primary);
}
.mnet-role-select--register-multi .mnet-role-card-inner {
    width: 100%;
    display: block;
}
.mnet-role-card-inner { flex: 1; min-width: 0; display: block; }
.mnet-role-card-inner strong { display: block; font-size: .9rem; margin-bottom: 4px; color: var(--mnet-text); }
.mnet-role-desc { display: block; font-size: .75rem; color: var(--mnet-muted); line-height: 1.5; }

/* マイページ等：チェックボックス＋囲み（入力は非表示） */
.mnet-role-select:not(.mnet-role-select--register-multi) .mnet-role-card {
    padding: 14px;
    border: 2px solid var(--mnet-border);
    border-radius: var(--mnet-radius-sm);
    text-align: center;
    transition: all var(--mnet-transition);
    flex: 1;
    min-width: 0;
}
.mnet-role-select:not(.mnet-role-select--register-multi) .mnet-role-card strong { display: block; font-size: .9rem; margin-bottom: 4px; color: var(--mnet-text); }
.mnet-role-select:not(.mnet-role-select--register-multi) .mnet-role-card > span { font-size: .75rem; color: var(--mnet-muted); }
.mnet-role-option.active .mnet-role-card,
.mnet-role-option input:checked + .mnet-role-card { border-color: var(--mnet-accent); background: var(--mnet-accent-light); }

/* == Need Type Select == */
.mnet-type-select { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mnet-type-option { cursor: pointer; }
.mnet-type-option input { display: none; }
.mnet-type-chip { display: block; padding: 6px 14px; border: 1.5px solid var(--mnet-border); border-radius: 20px; font-size: .85rem; color: var(--mnet-muted); transition: all var(--mnet-transition); text-align: center; }
.mnet-type-option input:checked + .mnet-type-chip { border-color: var(--mnet-accent); background: var(--mnet-accent-light); color: var(--mnet-primary); font-weight: 600; }

/* == Buttons == */
.mnet-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 20px; font-size: .9rem; font-weight: 600; border: 2px solid transparent; border-radius: var(--mnet-radius-sm); cursor: pointer; text-decoration: none; transition: all var(--mnet-transition); line-height: 1.4; font-family: var(--mnet-font); }
.mnet-btn-primary { background: var(--mnet-primary); color: #fff; }
.mnet-btn-primary:hover { background: var(--mnet-primary-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(30,58,95,.25); }
.mnet-btn-secondary { background: var(--mnet-bg); color: var(--mnet-text); border-color: var(--mnet-border); }
.mnet-btn-secondary:hover { border-color: var(--mnet-accent); color: var(--mnet-accent); }
.mnet-btn-outline { background: transparent; color: var(--mnet-muted); border-color: var(--mnet-border); }
.mnet-btn-outline:hover { border-color: var(--mnet-primary); color: var(--mnet-primary); }
.mnet-arrow { font-size: .75em; }
.mnet-btn-full { width: 100%; }
.mnet-btn-lg { padding: 13px 28px; font-size: 1rem; }
.mnet-btn-sm { padding: 5px 12px; font-size: .8rem; }
.mnet-btn:disabled { opacity: .5; cursor: not-allowed; }
.mnet-spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: mnet-spin .6s linear infinite; }
@keyframes mnet-spin { to { transform: rotate(360deg); } }

/* == Messages == */
.mnet-message { padding: 12px 16px; border-radius: var(--mnet-radius-sm); margin-bottom: 18px; font-size: .85rem; line-height: 1.5; }
.mnet-message-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.mnet-message-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.mnet-notice { text-align: center; padding: 24px; background: var(--mnet-card); border-radius: var(--mnet-radius); border: 1px solid var(--mnet-border); }

/* == Dashboard == */
.mnet-dashboard { max-width: 1100px; margin: 0 auto; padding: 32px 16px; }
.mnet-dashboard-wide { max-width: 1400px; }
.mnet-dash-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; flex-wrap: wrap; gap: 12px; }
.mnet-dash-header h2 { font-size: 1.4rem; font-weight: 700; margin: 0; color: var(--mnet-text); }
.mnet-dash-header-actions { display: flex; gap: 8px; align-items: center; }
.mnet-text-muted { color: var(--mnet-muted); font-size: .85rem; margin: 4px 0 0; }

/* == Status Grid == */
.mnet-status-grid { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.mnet-stat-card { display: flex; flex-direction: column; align-items: center; padding: 12px 16px; background: var(--mnet-card); border: 1.5px solid var(--mnet-border); border-radius: var(--mnet-radius-sm); text-decoration: none; min-width: 90px; transition: all var(--mnet-transition); }
.mnet-stat-card:hover,.mnet-stat-card.active { border-color: var(--stat-color, var(--mnet-primary)); background: var(--mnet-bg); }
.mnet-stat-num { font-size: 1.3rem; font-weight: 800; color: var(--stat-color, var(--mnet-primary)); }
.mnet-stat-label { font-size: .7rem; color: var(--mnet-muted); margin-top: 2px; white-space: nowrap; }

/* == Badge == */
.mnet-badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: .75rem; font-weight: 700; color: #fff; white-space: nowrap; }
.mnet-badge-lg { padding: 6px 16px; font-size: .85rem; }
.mnet-badge-inline { vertical-align: middle; margin-left: 8px; }

/* == Tables == */
.mnet-table { width: 100%; border-collapse: collapse; background: var(--mnet-card); border-radius: var(--mnet-radius); overflow: hidden; border: 1px solid var(--mnet-border); }
.mnet-table th { background: var(--mnet-bg); font-size: .8rem; font-weight: 700; color: var(--mnet-muted); text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--mnet-border); text-transform: uppercase; letter-spacing: .03em; }
.mnet-table td { padding: 12px 14px; font-size: .88rem; border-bottom: 1px solid var(--mnet-border); }
.mnet-table tbody tr:hover { background: #f8fafc; }
.mnet-info-table { width: 100%; margin-bottom: 16px; }
.mnet-info-table th { font-size: .8rem; font-weight: 600; color: var(--mnet-muted); padding: 6px 12px 6px 0; width: 120px; vertical-align: top; }
.mnet-info-table td { font-size: .88rem; padding: 6px 0; }

/* == Detail Panel == */
.mnet-detail-panel { background: var(--mnet-card); border-radius: var(--mnet-radius); padding: 28px; border: 1px solid var(--mnet-border); }
.mnet-detail-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.mnet-detail-header h3 { flex: 1; font-size: 1.15rem; margin: 0; }
.mnet-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.mnet-detail-section { margin-bottom: 20px; }
.mnet-detail-section h4 { font-size: .95rem; font-weight: 700; color: var(--mnet-primary); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--mnet-border); }
.mnet-detail-section h5 { font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.mnet-detail-body { background: var(--mnet-bg); padding: 16px; border-radius: var(--mnet-radius-sm); margin-top: 12px; }
.mnet-detail-body p { margin: 0; line-height: 1.7; font-size: .9rem; }
.mnet-detail-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 20px; }

/* == Status Change == */
.mnet-status-change { display: flex; gap: 10px; align-items: center; }
.mnet-status-change .mnet-select { max-width: 260px; }

/* == Card Grid == */
.mnet-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.mnet-case-card { background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); padding: 20px; transition: box-shadow var(--mnet-transition); }
.mnet-case-card:hover { box-shadow: var(--mnet-shadow); }
.mnet-case-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mnet-case-card h4 { font-size: 1rem; margin: 0 0 6px; color: var(--mnet-text); }
.mnet-case-card p { margin: 0 0 12px; }
.mnet-case-meta { font-size: .8rem; color: var(--mnet-muted); }

/* == Tabs == */
.mnet-tabs { display: flex; gap: 4px; background: var(--mnet-bg); padding: 4px; border-radius: var(--mnet-radius-sm); border: 1px solid var(--mnet-border); margin-bottom: 24px; max-width: 480px; }
.mnet-tab { flex: 1; padding: 8px 16px; text-align: center; border-radius: 4px; font-size: .85rem; font-weight: 600; color: var(--mnet-muted); text-decoration: none; transition: all var(--mnet-transition); }
.mnet-tab:hover { color: var(--mnet-text); }
.mnet-tab.active { background: var(--mnet-card); color: var(--mnet-primary); box-shadow: 0 1px 2px rgba(0,0,0,.06); }

/* == Message Board == */
.mnet-msg-container { background: var(--mnet-bg); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); padding: 20px; margin-bottom: 20px; max-height: 500px; overflow-y: auto; }
.mnet-msg { margin-bottom: 16px; max-width: 75%; }
.mnet-msg-mine { margin-left: auto; }
.mnet-msg-other { margin-right: auto; }
.mnet-msg-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: .75rem; }
.mnet-msg-header strong { font-size: .8rem; }
.mnet-msg-header time { color: var(--mnet-muted); }
.mnet-msg-role { background: var(--mnet-accent-light); color: var(--mnet-accent); padding: 1px 6px; border-radius: 8px; font-size: .7rem; font-weight: 600; }
.mnet-msg-body { background: var(--mnet-card); padding: 12px 16px; border-radius: var(--mnet-radius-sm); border: 1px solid var(--mnet-border); font-size: .88rem; line-height: 1.6; }
.mnet-msg-mine .mnet-msg-body { background: var(--mnet-primary); color: #fff; border-color: var(--mnet-primary); }
.mnet-msg-empty { text-align: center; color: var(--mnet-muted); padding: 40px; }
.mnet-msg-form { background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); padding: 16px; }
.mnet-msg-input-wrap { display: flex; gap: 12px; align-items: flex-end; }
.mnet-msg-input-wrap textarea { flex: 1; min-height: 60px; padding: 10px 14px; font-size: .9rem; border: 1.5px solid var(--mnet-border); border-radius: var(--mnet-radius-sm); resize: vertical; outline: none; font-family: var(--mnet-font); }
.mnet-msg-input-wrap textarea:focus { border-color: var(--mnet-accent); }

/* == Empty State == */
.mnet-empty { text-align: center; padding: 48px 24px; color: var(--mnet-muted); background: var(--mnet-card); border-radius: var(--mnet-radius); border: 1px solid var(--mnet-border); }
.mnet-empty p { margin-bottom: 20px; font-size: .95rem; line-height: 1.7; }

/* == Pending Notice == */
.mnet-notice-pending { background: #fffbeb; border: 1px solid #fbbf24; border-left: 4px solid #f59e0b; border-radius: var(--mnet-radius-sm); padding: 14px 20px; margin-bottom: 20px; font-size: .9rem; color: #92400e; line-height: 1.7; }

/* == Guide Card == */
.mnet-guide-card { background: var(--mnet-accent-light); border: 1px solid var(--mnet-primary); border-left: 4px solid var(--mnet-primary); border-radius: var(--mnet-radius); padding: 20px 24px; margin-bottom: 28px; }
.mnet-guide-card h4 { font-size: .95rem; font-weight: 700; color: var(--mnet-primary); margin: 0 0 12px; }
.mnet-guide-steps { margin: 0; padding-left: 20px; }
.mnet-guide-steps li { font-size: .88rem; color: var(--mnet-text); margin-bottom: 6px; line-height: 1.6; }
.mnet-guide-steps li strong { color: var(--mnet-primary); }

/* == User 2-Column Layout == */
.mnet-user-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.mnet-user-col-left h3 { font-size: 1rem; font-weight: 700; color: var(--mnet-text); margin: 0 0 16px; }
.mnet-user-col-right { position: sticky; top: 24px; }

/* Case Cards */
.mnet-case-cards { display: flex; flex-direction: column; gap: 10px; }
.mnet-case-item { background: var(--mnet-card); border: 1.5px solid var(--mnet-border); border-radius: var(--mnet-radius); padding: 16px; transition: border-color var(--mnet-transition), box-shadow var(--mnet-transition); }
.mnet-case-item:hover { border-color: var(--mnet-primary); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.mnet-case-item.active { border-color: var(--mnet-primary); background: var(--mnet-accent-light); }
.mnet-case-item-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.mnet-case-item-id { font-size: .8rem; font-weight: 700; color: var(--mnet-muted); }
.mnet-case-item-type { font-size: .78rem; color: var(--mnet-primary); font-weight: 600; margin-bottom: 4px; }
.mnet-case-item-detail { font-size: .85rem; color: var(--mnet-text); line-height: 1.5; margin: 0 0 10px; word-break: break-word; }
.mnet-case-item-footer { display: flex; justify-content: space-between; align-items: center; }
.mnet-case-item-date { font-size: .75rem; color: var(--mnet-muted); }
.mnet-case-item-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Chat Panel */
.mnet-chat-panel { background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); overflow: hidden; min-height: 500px; display: flex; flex-direction: column; }
.mnet-chat-panel-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--mnet-border); }
.mnet-chat-panel-header h3 { font-size: .95rem; font-weight: 700; margin: 0; color: var(--mnet-text); }
.mnet-chat-panel-empty { text-align: center; padding: 60px 20px; color: var(--mnet-muted); font-size: .88rem; }
.mnet-chat-panel-empty p { margin: 0; line-height: 1.7; }

/* Inline Room List */
.mnet-inline-room-list { flex: 1; overflow-y: auto; }
.mnet-inline-room-card { display: flex; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; transition: background var(--mnet-transition); border-bottom: 1px solid var(--mnet-border); }
.mnet-inline-room-card:last-child { border-bottom: none; }
.mnet-inline-room-card:hover { background: var(--mnet-bg); }
.mnet-inline-room-card.hidden { display: none; }

/* Inline Chat View */
.mnet-chat-inline { max-width: none; margin: 0; border: none; border-radius: 0; height: 600px; min-height: 400px; }

/* == Partner List == */
.mnet-partner-list { list-style: none; padding: 0; }
.mnet-partner-list li { padding: 8px 12px; border-bottom: 1px solid var(--mnet-border); font-size: .88rem; }

/* == Danger Button == */
.mnet-btn-danger { background: var(--mnet-danger); color: #fff; border-color: var(--mnet-danger); }
.mnet-btn-danger:hover { background: #dc2626; color: #fff; border-color: #dc2626; transform: translateY(-1px); }

/* == Settings Section == */
.mnet-settings-section { background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); padding: 20px 24px; }
.mnet-settings-section h4 { font-size: .95rem; font-weight: 700; color: var(--mnet-text); margin: 0 0 4px; }

/* == Danger Zone == */
.mnet-danger-zone { border: 1px solid #fecaca; background: #fef2f2; border-radius: var(--mnet-radius); padding: 20px; margin-top: 24px; }
.mnet-danger-zone h4 { color: var(--mnet-danger); margin-bottom: 8px; }
.mnet-danger-zone p { margin-bottom: 12px; }

/* == Logout == */
.mnet-logout-btn { color: var(--mnet-muted) !important; }
.mnet-logout-btn:hover { color: var(--mnet-danger) !important; border-color: var(--mnet-danger) !important; }

/* == Responsive == */
@media (max-width: 1023px) {
    .mnet-form-container {
        max-width: none;
        width: 100%;
        box-sizing: border-box;
        padding: 0 8px;
    }
    .mnet-form-container.mnet-form-wide {
        max-width: none;
    }
}
@media (max-width: 960px) {
    .mnet-user-columns { grid-template-columns: 1fr; }
    .mnet-user-col-right { position: static; }
    .mnet-chat-inline { height: 500px; }
}
@media (max-width: 640px) {
    .mnet-form-card { padding: 24px 18px; }
    .mnet-grid-2 { grid-template-columns: 1fr; }
    .mnet-role-select { grid-template-columns: 1fr; }
    .mnet-detail-grid { grid-template-columns: 1fr; }
    .mnet-status-grid { gap: 6px; }
    .mnet-stat-card { min-width: 70px; padding: 8px 10px; }
    .mnet-table { font-size: .8rem; }
    .mnet-msg { max-width: 90%; }
    .mnet-msg-input-wrap { flex-direction: column; }
    .mnet-chat-container { margin: 0; border-radius: 0; }
    .mnet-chat-messages { height: calc(100vh - 200px); }
    .mnet-room-card { flex-wrap: wrap; }
    .mnet-room-time { width: 100%; text-align: right; }
    .mnet-chat-inline { height: 450px; min-height: 350px; }
    .mnet-case-item-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ===== Chat Room List ===== */
.mnet-room-list { display: flex; flex-direction: column; gap: 2px; background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); overflow: hidden; }
.mnet-room-card { display: flex; align-items: center; gap: 14px; padding: 16px 20px; text-decoration: none; color: var(--mnet-text); transition: background var(--mnet-transition); border-bottom: 1px solid var(--mnet-border); }
.mnet-room-card:last-child { border-bottom: none; }
.mnet-room-card:hover { background: var(--mnet-bg); color: var(--mnet-text); }
.mnet-room-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--mnet-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; flex-shrink: 0; }
.mnet-room-info { flex: 1; min-width: 0; }
.mnet-room-top { display: flex; align-items: center; gap: 8px; margin-bottom: 2px; }
.mnet-room-name { font-size: .95rem; }
.mnet-room-role-tag { font-size: .65rem; background: var(--mnet-accent-light); color: var(--mnet-accent); padding: 1px 6px; border-radius: 8px; font-weight: 600; }
.mnet-room-case { font-size: .75rem; color: var(--mnet-muted); margin-bottom: 3px; display: flex; align-items: center; gap: 6px; }
.mnet-room-preview { font-size: .82rem; color: var(--mnet-muted); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mnet-room-time { font-size: .72rem; color: var(--mnet-muted); flex-shrink: 0; white-space: nowrap; }
.mnet-badge-sm { padding: 1px 6px; font-size: .6rem; }

/* ===== Chat Room ===== */
.mnet-chat-container { max-width: 800px; margin: 0 auto; background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius); overflow: hidden; display: flex; flex-direction: column; height: calc(100vh - 140px); min-height: 500px; }

.mnet-chat-header { display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: var(--mnet-primary); color: #fff; flex-shrink: 0; }
.mnet-chat-back { color: #fff; font-size: 1.2rem; text-decoration: none; padding: 4px 8px; border-radius: var(--mnet-radius-sm); }
.mnet-chat-back:hover { background: rgba(255,255,255,.15); color: #fff; }
.mnet-chat-header-info { display: flex; align-items: center; gap: 10px; flex: 1; }
.mnet-chat-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem; flex-shrink: 0; }
.mnet-chat-header-info strong { font-size: .95rem; display: block; }
.mnet-chat-case-label { font-size: .72rem; opacity: .8; display: flex; align-items: center; gap: 6px; }
.mnet-chat-observer { font-size: .75rem; background: rgba(255,255,255,.2); padding: 3px 10px; border-radius: 12px; }

.mnet-chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 4px; background: var(--mnet-bg); }
.mnet-chat-empty { text-align: center; color: var(--mnet-muted); padding: 60px 20px; font-size: .9rem; }
.mnet-chat-empty p { margin: 0; line-height: 1.7; }

.mnet-chat-date-sep { text-align: center; padding: 12px 0 8px; }
.mnet-chat-date-sep span { font-size: .72rem; color: var(--mnet-muted); background: var(--mnet-bg); padding: 2px 14px; border-radius: 10px; border: 1px solid var(--mnet-border); }

.mnet-chat-msg { display: flex; gap: 8px; max-width: 72%; margin-bottom: 2px; }
.mnet-chat-msg-mine { margin-left: auto; flex-direction: row-reverse; }
.mnet-chat-msg-other { margin-right: auto; }
.mnet-chat-msg-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--mnet-muted); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; flex-shrink: 0; margin-top: 4px; }
.mnet-chat-msg-content { display: flex; flex-direction: column; }
.mnet-chat-msg-sender { font-size: .72rem; font-weight: 600; color: var(--mnet-muted); margin-bottom: 2px; display: flex; align-items: center; gap: 6px; }
.mnet-chat-msg-role { font-size: .6rem; background: var(--mnet-accent-light); color: var(--mnet-accent); padding: 0 5px; border-radius: 6px; font-weight: 600; }
.mnet-chat-bubble { padding: 10px 14px; border-radius: 16px; font-size: .9rem; line-height: 1.6; word-break: break-word; }
.mnet-chat-msg-other .mnet-chat-bubble { background: var(--mnet-card); border: 1px solid var(--mnet-border); border-top-left-radius: 4px; }
.mnet-chat-msg-mine .mnet-chat-bubble { background: var(--mnet-primary); color: #fff; border-bottom-right-radius: 4px; }
.mnet-chat-msg-time { font-size: .65rem; color: var(--mnet-muted); margin-top: 2px; }
.mnet-chat-msg-mine .mnet-chat-msg-time { text-align: right; }

.mnet-chat-input { display: flex; align-items: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--mnet-border); background: var(--mnet-card); flex-shrink: 0; }
.mnet-chat-input textarea { flex: 1; resize: none; border: 1.5px solid var(--mnet-border); border-radius: 20px; padding: 10px 16px; font-size: .9rem; font-family: var(--mnet-font); outline: none; max-height: 120px; min-height: 42px; line-height: 1.4; }
.mnet-chat-input textarea:focus { border-color: var(--mnet-primary); }
.mnet-chat-send { width: 42px; height: 42px; border-radius: 50%; background: var(--mnet-primary); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background var(--mnet-transition), transform var(--mnet-transition); }
.mnet-chat-send:hover { background: var(--mnet-primary-hover); transform: scale(1.05); }
.mnet-chat-readonly { text-align: center; padding: 14px; font-size: .85rem; color: var(--mnet-muted); border-top: 1px solid var(--mnet-border); background: var(--mnet-bg); }

/* ===== File Attachments ===== */

/* -- Drop Zone (Needs Form) -- */
.mnet-file-drop { position: relative; border: 2px dashed var(--mnet-border); border-radius: var(--mnet-radius-sm); padding: 28px 16px; text-align: center; cursor: pointer; transition: border-color var(--mnet-transition), background var(--mnet-transition); }
.mnet-file-drop:hover,.mnet-file-drop.dragover { border-color: var(--mnet-primary); background: var(--mnet-accent-light); }
.mnet-file-drop input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.mnet-file-drop-label { pointer-events: none; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mnet-file-drop-icon { font-size: 1.6rem; }
.mnet-file-drop-label span { font-size: .85rem; color: var(--mnet-muted); }
.mnet-file-drop-hint { font-size: .72rem !important; color: var(--mnet-muted) !important; opacity: .7; }
.mnet-file-drop-types { max-width: 42em; margin-left: auto; margin-right: auto; line-height: 1.45 !important; word-break: break-word; }
.mnet-file-list { list-style: none; padding: 0; margin-top: 8px; }
.mnet-file-list li { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--mnet-bg); border-radius: var(--mnet-radius-sm); margin-bottom: 4px; font-size: .82rem; }
.mnet-file-list li .mnet-file-icon { font-size: 1rem; }
.mnet-file-list li .mnet-file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mnet-file-list li .mnet-file-size { color: var(--mnet-muted); font-size: .72rem; }
.mnet-file-list li .mnet-file-remove { background: none; border: none; color: var(--mnet-danger); cursor: pointer; font-size: .9rem; padding: 2px 4px; }

/* -- Chat File Attachments -- */
.mnet-chat-attach { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 50%; cursor: pointer; color: var(--mnet-muted); transition: all var(--mnet-transition); flex-shrink: 0; }
.mnet-chat-attach:hover { color: var(--mnet-primary); background: var(--mnet-accent-light); }
.mnet-chat-file-preview { display: flex; gap: 6px; padding: 8px 16px; border-top: 1px solid var(--mnet-border); background: var(--mnet-bg); flex-wrap: wrap; flex-shrink: 0; }
.mnet-chat-file-chip { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: var(--mnet-card); border: 1px solid var(--mnet-border); border-radius: 16px; font-size: .75rem; }
.mnet-chat-file-chip .mnet-file-remove { background: none; border: none; cursor: pointer; color: var(--mnet-danger); font-size: .8rem; padding: 0 2px; }

.mnet-chat-files { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.mnet-chat-file-img { display: block; max-width: 240px; border-radius: 8px; overflow: hidden; }
.mnet-chat-file-img img { width: 100%; height: auto; display: block; border-radius: 8px; }
.mnet-chat-file-link { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; background: rgba(255,255,255,.15); border-radius: 8px; font-size: .8rem; text-decoration: none; transition: background var(--mnet-transition); }
.mnet-chat-msg-other .mnet-chat-file-link { background: var(--mnet-bg); color: var(--mnet-primary); }
.mnet-chat-msg-mine .mnet-chat-file-link { background: rgba(255,255,255,.2); color: #fff; }
.mnet-chat-file-link:hover { opacity: .85; }
.mnet-chat-file-icon { font-size: 1.1rem; }

/* -- FAP Dashboard Attachment Display -- */
.mnet-attachment-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.mnet-attachment-item { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; background: var(--mnet-bg); border: 1px solid var(--mnet-border); border-radius: var(--mnet-radius-sm); font-size: .82rem; text-decoration: none; color: var(--mnet-text); transition: border-color var(--mnet-transition); }
.mnet-attachment-item:hover { border-color: var(--mnet-primary); color: var(--mnet-primary); }
.mnet-attachment-thumb { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; border: 1px solid var(--mnet-border); }