/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    /* GPU加速を有効化 */
    transform: translateZ(0);
    will-change: scroll-position;
    overflow-anchor: none; /* ← 追加: スクロールアンカー抑制 */
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1400px; /* 幅を調整: 1600px → 1400px */
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Header */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2rem;
    color: #3498db;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-indicator.connected {
    background: #2ecc71;
}

.status-indicator.disconnected {
    background: #e74c3c;
}

.status-text {
    font-size: 0.9rem;
    font-weight: 500;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Main content */
.main-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 共通セクションスタイル */
.section-base {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f1f3f4;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

/* Connection section */
.connection-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.connection-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.connection-settings {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.setting-group label {
    font-weight: 500;
    color: #555;
    font-size: 0.9rem;
    margin: 0;
}

.setting-group select {
    min-width: 120px;
    max-width: 150px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-height: 44px;
}

.btn:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    background: #6c757d !important;
    border-color: #6c757d !important;
    box-shadow: none !important;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.btn-danger {
    background: #dc3545 !important;
    color: white !important;
    border-color: #dc3545 !important;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3) !important;
    border: 2px solid #dc3545 !important;
}

.btn-danger:hover:not(:disabled) {
    background: #c82333 !important;
    border-color: #c82333 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4) !important;
}

.btn-secondary {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.btn-outline {
    background: transparent;
    color: #666;
    border: 2px solid #ddd;
}

.btn-outline:hover:not(:disabled) {
    background: #f8f9fa;
    border-color: #bbb;
}

.btn-small {
    padding: 0.5rem;
    font-size: 0.8rem;
    min-height: 36px;
    width: 36px;
    justify-content: center;
}

.btn-small.active {
    background: #3498db;
    color: white;
}

/* Form elements */
.form-select {
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    background: white;
    transition: border-color 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Console section */
.console-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f1f3f4;
}

.console-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.console-controls {
    display: flex;
    gap: 0.5rem;
}

.console-container {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
    height: 16rem;
    width: 100%;
    margin-bottom: 1rem;
}

.console-output {
    height: 100%;
    max-height: 100%; /* ← 追加: 親の高さを超えない */
    padding: 1rem;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;  /* ← ここで統一 */
    line-height: 1.4;
    color: #f8f8f2;
    background: #1e1e1e;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    contain: layout style paint;
    will-change: scroll-position;
    overflow-anchor: none; /* ← 追加: スクロールアンカー抑制 */
}

.console-output::-webkit-scrollbar {
    width: 8px;
}

.console-output::-webkit-scrollbar-track {
    background: #2d2d2d;
}

.console-output::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

.console-output::-webkit-scrollbar-thumb:hover {
    background: #777;
}

/* Send section */
.send-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid #f1f3f4;
}

.send-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.send-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.send-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.send-btn {
    min-width: 100px;
}

.send-options {
    display: flex;
    justify-content: center;
    padding: 0.5rem 0;
}

.send-help {
    display: flex;
    align-items: center;
    justify-content: center;
}

.help-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #666;
    background: rgba(52, 152, 219, 0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.help-text i {
    color: #3498db;
}

/* Console message types */
.console-message {
    margin-bottom: 0.1rem; /* 行間を詰める: 0.5rem → 0.1rem */
    padding: 0.1rem 0; /* パディングも削減: 0.25rem → 0.1rem */
    /* パフォーマンス最適化 */
    contain: layout style paint;
}

.console-message.sent {
    color: #50fa7b;
}

.console-message.received {
    color: #8be9fd;
}

.console-message.error {
    color: #ff5555;
}

.console-message.info {
    color: #f1fa8c;
}

.console-message.success {
    color: #50fa7b;
    font-weight: bold;
}

.timestamp {
    color: #6272a4;
    font-size: 0.8rem;
    margin-right: 0.5rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .app-container {
        margin: 0;
        border-radius: 0;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .connection-controls {
        justify-content: center;
    }
    
    .connection-settings {
        grid-template-columns: 1fr;
    }
    
    .send-input-container {
        flex-direction: column;
    }
    
    .send-btn {
        align-self: stretch;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ULSA設定セクション */
.config-section {
    position: relative;
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f1f3f4;
}

.config-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

/* 2カラムレイアウト */
.config-groups-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1rem;
}

.config-group {
    margin-bottom: 0;
}

.config-group:last-child {
    margin-bottom: 0;
}

.config-group-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid #ecf0f1;
}

.config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding: 0.6rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.config-item:hover {
    background: #e9ecef;
}

.config-checkbox {
    flex: 1;
    margin: 0;
}

.config-label {
    font-weight: 500;
    color: #2c3e50;
}

.config-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 220px;
}

.config-control .form-select {
    width: 220px;
    min-width: 220px;
}

.form-input-number {
    width: 80px;
    padding: 0.5rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    text-align: center;
    transition: border-color 0.2s ease;
}

.form-input-number:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-input-number:disabled {
    background: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
}

.config-unit {
    font-size: 0.8rem;
    color: #6c757d;
    white-space: nowrap;
}

.config-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 2px solid #ecf0f1;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .connection-section,
    .console-section,
    .config-section {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .section-header,
    .console-header,
    .config-header {
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
    }
    
    .section-header h2,
    .console-header h2,
    .config-header h2 {
        font-size: 1.1rem;
    }
    
    .connection-controls {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .connection-settings {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .console-container {
        height: 16rem;
    }
    
    /* 2カラムを1カラムに変更（モバイル） */
    .config-groups-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .config-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .config-control {
        justify-content: space-between;
        min-width: auto;
    }
    
    .config-control .form-select {
        width: 100%;
        min-width: auto;
        flex: 1;
    }
    
    .config-actions {
        flex-direction: column;
    }
    
    .send-section {
        gap: 1rem;
    }
    
    .send-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .send-btn {
        align-self: stretch;
    }
}

/* M5B設定無効化時の通知スタイル */
.config-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 6px;
    color: #856404;
    font-size: 0.9rem;
}

.config-notice i {
    color: #ffc107;
}

/* M5B設定無効化時のスタイル */
#m5bConfigGroup[style*="opacity: 0.5"] .config-group-title {
    color: #999;
}

#m5bConfigGroup[style*="opacity: 0.5"] .config-label {
    color: #999;
}

/* ULSA設定無効化時のスタイル */
.config-section {
    position: relative;
}

/* 新しいオーバーレイのスタイル */
.config-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(0.5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: 12px;
    pointer-events: auto;
}

.overlay-content {
    text-align: center;
    padding: 1.5rem;
    pointer-events: auto;
    z-index: 1100;
    position: relative;
}

.overlay-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.overlay-message i {
    font-size: 1.2rem;
}

.overlay-btn {
    min-width: 160px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    pointer-events: auto;
    z-index: 1200;
    position: relative;
}

.overlay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(52, 152, 219, 0.4);
}

/* 設定セクションが無効化されている時の透明度 */
.config-section.disabled {
    opacity: 0.8;
    pointer-events: none;
    position: relative;
}

.config-section.disabled .config-overlay {
    display: flex;
    pointer-events: auto; /* オーバーレイ内の要素はクリック可能にする */
    position: absolute;
    z-index: 1000;
}

.config-section.disabled .config-overlay * {
    pointer-events: auto; /* オーバーレイ内のすべての子要素をクリック可能にする */
}