/* ======================
   レスポンシブ対応
====================== */

/* タブレット以下 (1024px以下) */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 300px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .roulette-canvas {
        width: 350px;
        height: 350px;
    }
    
    .control-buttons {
        justify-content: center;
    }
    
    .control-buttons button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* タブレット縦向き (768px以下) */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
        --header-height: 70px;
    }
    
    .app-title {
        font-size: 1.2rem;
    }
    
    .title-icon {
        font-size: 1.4rem;
    }
    
    .settings-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .main-content {
        padding: 10px;
        gap: 15px;
    }
    
    .roulette-section {
        padding: 10px 0;
    }
    
    .roulette-container {
        gap: 20px;
    }
    
    .roulette-canvas {
        width: 300px;
        height: 300px;
        max-width: 85vw;
        max-height: 85vw;
    }
    
    .result-display {
        min-width: 240px;
        padding: 15px 20px;
    }
    
    .result-text {
        font-size: 1.1rem;
    }
    
    .control-buttons {
        gap: 10px;
    }
    
    .control-buttons button {
        padding: 10px 16px;
        font-size: 0.85rem;
        flex: 1;
        min-width: 100px;
        max-width: 150px;
    }
    
    .pointer {
        top: 8px;
    }
    
    /* 設定パネルをフルスクリーン表示 */
    .settings-panel {
        width: 100vw;
        right: 0;
        z-index: 1200;
        height: 100vh;
        height: 100dvh; /* 動的ビューポート高さ対応 */
        top: 0;
    }
    
    .settings-content {
        padding: 15px;
    }
    
    /* オーバーレイは表示しない */
    .overlay {
        display: none;
    }
    
    .setting-group {
        margin-bottom: 25px;
    }
    
    .color-scheme-btn {
        min-width: 80px;
        padding: 10px;
    }
    
    .modal {
        width: 95vw;
        margin: 0 2.5vw;
    }
}

/* スマートフォン (480px以下) */
@media (max-width: 480px) {
    :root {
        --header-height: 65px;
    }
    
    .header-container {
        padding: 0 15px;
    }
    
    .app-title {
        font-size: 1.1rem;
    }
    
    .settings-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
    }
    
    .settings-btn span {
        display: none; /* アイコンのみ表示 */
    }
    
    .main-content {
        padding: 8px;
        gap: 12px;
    }
    
    .roulette-canvas {
        width: 280px;
        height: 280px;
        max-width: 90vw;
        max-height: 60vh;
    }
    
    .center-point {
        width: 16px;
        height: 16px;
    }
    
    .pointer {
        font-size: 28px;
        top: 0px;
    }
    
    .result-display {
        min-width: 200px;
        padding: 12px 16px;
    }
    
    .result-label {
        font-size: 0.8rem;
    }
    
    .result-text {
        font-size: 1rem;
    }
    
    .control-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .control-buttons button {
        width: 100%;
        max-width: none;
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .settings-content {
        padding: 12px;
    }
    
    .segment-textarea {
        padding: 10px;
        font-size: 0.85rem;
    }
    
    .color-scheme-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .color-scheme-btn {
        width: 100%;
        min-width: auto;
    }
    
    .image-upload, .preset-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .upload-btn, .clear-btn, .preset-btn {
        width: 100%;
        justify-content: center;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .modal-body ol {
        padding-left: 15px;
    }
}

/* 極小画面 (360px以下) */
@media (max-width: 360px) {
    .roulette-canvas {
        width: 250px;
        height: 250px;
    }
    
    .result-display {
        min-width: 180px;
        padding: 10px 12px;
    }
    
    .result-text {
        font-size: 0.9rem;
    }
    
    .control-buttons button {
        padding: 10px 14px;
        font-size: 0.8rem;
    }
    
    .settings-content {
        padding: 10px;
    }
}

/* 横向き表示（ランドスケープ）対応 */
@media (orientation: landscape) and (max-height: 700px) {
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
    }

    .main-content {
        flex-direction: row;
        align-items: flex-start;
        gap: 20px;
        margin-top: 0;
        padding-top: 95px !important;
    }

    .main-content[style*="background-image"] {
        background-position: center top !important;
    }

    .roulette-section {
        flex: 1;
        padding: 0;
    }

    .roulette-container {
        margin-top: 45px;
    }

    .roulette-canvas {
        width: min(60vh, 400px);
        height: min(60vh, 400px);
    }

    .control-panel {
        width: 250px;
        flex-shrink: 0;
        margin-right: 40px;
        margin-top: 45px;
    }

    .control-buttons {
        flex-direction: column;
        gap: 8px;
    }

    .control-buttons button {
        width: 100%;
    }

    .result-display {
        margin-top: 10px;
        min-width: auto;
        width: 100%;
    }
}

/* 高解像度ディスプレイ対応 */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
    .roulette-canvas {
        /* Canvas の高解像度描画は JavaScript で制御 */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .pointer {
        /* アイコンフォントのシャープ化 */
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* タッチデバイス専用スタイル */
@media (hover: none) and (pointer: coarse) {
    /* タッチデバイス用にボタンサイズを大きく */
    .control-buttons button {
        min-height: 48px;
        padding: 12px 20px;
    }
    
    .settings-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .close-settings,
    .close-modal {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* タッチ時のフィードバック */
    .control-buttons button:active {
        transform: scale(0.98);
    }
    
    .settings-btn:active,
    .close-settings:active,
    .close-modal:active {
        transform: scale(0.95);
    }
}

/* プリント用スタイル */
@media print {
    .app-header,
    .settings-panel,
    .overlay,
    .modal,
    .control-panel {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
        padding: 0;
    }
    
    .roulette-section {
        page-break-inside: avoid;
    }
    
    .result-display {
        border: 2px solid #000;
        background: #fff !important;
        color: #000 !important;
    }
}

/* アクセシビリティ：大きな文字サイズの設定 */
@media (min-width: 1200px) {
    .large-text {
        font-size: 1.1em;
    }
    
    .large-text .result-text {
        font-size: 1.5rem;
    }
    
    .large-text .control-buttons button {
        font-size: 1.1rem;
        padding: 14px 28px;
    }
}

/* フォーカス可能要素の改善 */
@media (hover: hover) {
    button:hover,
    input:hover,
    textarea:hover {
        transition: all 0.2s ease;
    }
}

/* 特定の画面サイズでの最適化 */
@media (width: 320px) {
    /* iPhone SE 第1世代対応 */
    .roulette-canvas {
        width: 240px;
        height: 240px;
    }
}

@media (width: 375px) {
    /* iPhone SE 第2世代、iPhone 6/7/8対応 */
    .roulette-canvas {
        width: 280px;
        height: 280px;
    }
}

@media (width: 414px) {
    /* iPhone 6/7/8 Plus対応 */
    .roulette-canvas {
        width: 320px;
        height: 320px;
    }
}