@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

/* ========================================
   ガチャシステム - スーパーファミコン風ドット絵スタイル
   パステルカラー + 16bitレトロゲーム風
   ======================================== */

/* ========================================
   1. リセット・基本設定
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カービィ風カラーパレット */
    --color-primary: #FF69B4;      /* 鮮やかピンク（カービィ色） */
    --color-secondary: #4FC3F7;    /* 明るい水色（空色） */
    --color-success: #66BB6A;      /* 鮮やかグリーン */
    --color-warning: #FFD54F;      /* 明るい黄色（スター色） */
    --color-danger: #EF5350;       /* 鮮やかレッド */
    --color-bg: #E3F2FD;           /* 空色の背景 */
    --color-text: #424242;         /* ダークグレー */
    --color-border: #FF1493;       /* 濃いピンク（ボーダー） */
    --color-shadow: #C51162;       /* 影用の濃いピンク */
    
    /* フォント */
    --font-pixel: 'Press Start 2P', 'Courier New', monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Google Fontsからピクセルフォントを読み込み */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* ドット絵風のテクスチャ効果 */
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

/* ========================================
   2. ヘッダー（スーファミ風ドット絵）
   ======================================== */
header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 2rem 1.5rem;
    text-align: center;
    /* ドット絵風の太いボーダー */
    border-bottom: 6px solid var(--color-border);
    /* カクカクした影 */
    box-shadow: 
        0 6px 0 var(--color-shadow),
        0 6px 0 rgba(0,0,0,0.2);
    position: relative;
}

/* ドット絵風の装飾ボーダー */
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-warning) 0px,
        var(--color-warning) 8px,
        var(--color-success) 8px,
        var(--color-success) 16px,
        var(--color-secondary) 16px,
        var(--color-secondary) 24px
    );
}

header h1 {
    font-family: var(--font-pixel);
    font-size: 1.5rem;
    color: white;
    /* ドット絵風のカクカクした影 */
    text-shadow: 
        4px 0 0 rgba(0,0,0,0.3),
        0 4px 0 rgba(0,0,0,0.3),
        4px 4px 0 rgba(0,0,0,0.3);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

/* ナビゲーション */
nav {
    margin-top: 1.5rem;
}

.nav-link {
    display: inline-block;
    padding: 1rem 1.5rem;
    margin: 0.5rem;
    background-color: white;
    color: var(--color-text);
    text-decoration: none;
    /* 太いボーダー */
    border: 4px solid var(--color-border);
    border-radius: 0;
    font-weight: bold;
    font-size: 0.9rem;
    /* カクカクした影 */
    box-shadow: 
        6px 0 0 var(--color-shadow),
        0 6px 0 var(--color-shadow),
        6px 6px 0 var(--color-shadow);
    transition: all 0.1s;
    position: relative;
}

.nav-link:hover {
    transform: translate(3px, 3px);
    box-shadow: 
        3px 0 0 var(--color-shadow),
        0 3px 0 var(--color-shadow),
        3px 3px 0 var(--color-shadow);
    background-color: var(--color-success);
}

.nav-link:active {
    transform: translate(6px, 6px);
    box-shadow: none;
}

/* ========================================
   3. メインコンテンツ
   ======================================== */
main.container {
    flex: 1;
    max-width: 800px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1rem;
}

.welcome-container {
    background: white;
    /* 太いボーダー */
    border: 6px solid var(--color-primary);
    border-radius: 0;
    padding: 2.5rem;
    /* カクカクした影 */
    box-shadow: 
        12px 0 0 var(--color-shadow),
        0 12px 0 var(--color-shadow),
        12px 12px 0 var(--color-shadow);
    text-align: center;
    position: relative;
}

/* ドット絵風の角の装飾 */
.welcome-container::before,
.welcome-container::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
}

.welcome-container::before {
    top: -6px;
    left: -6px;
}

.welcome-container::after {
    bottom: -6px;
    right: -6px;
}

.welcome-container h2 {
    font-family: var(--font-pixel);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    text-shadow: 
        2px 0 0 rgba(0,0,0,0.1),
        0 2px 0 rgba(0,0,0,0.1),
        2px 2px 0 rgba(0,0,0,0.1);
}

.welcome-container p {
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.8;
}

/* ========================================
   4. ボタン（スーファミ風ドット絵）
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    margin: 0.75rem;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    /* 太いボーダー、角丸なし */
    border: 5px solid;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.1s;
    /* カクカクした影 */
    box-shadow: 
        8px 0 0 rgba(0,0,0,0.3),
        0 8px 0 rgba(0,0,0,0.3),
        8px 8px 0 rgba(0,0,0,0.3);
    font-size: 1rem;
    position: relative;
    font-family: var(--font-body);
}

.btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 
        6px 0 0 rgba(0,0,0,0.3),
        0 6px 0 rgba(0,0,0,0.3),
        6px 6px 0 rgba(0,0,0,0.3);
}

.btn:active {
    transform: translate(4px, 4px);
    box-shadow: 
        4px 0 0 rgba(0,0,0,0.3),
        0 4px 0 rgba(0,0,0,0.3),
        4px 4px 0 rgba(0,0,0,0.3);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: #FF8DC7;
    color: white;
}

.btn-primary:hover {
    background-color: #FF8DC7;
}

.btn-secondary {
    background-color: var(--color-secondary);
    border-color: #8DC7FF;
    color: white;
}

.btn-secondary:hover {
    background-color: #8DC7FF;
}

.btn-success {
    background-color: var(--color-success);
    border-color: #8DFFB3;
    color: var(--color-text);
}

.btn-warning {
    background-color: var(--color-warning);
    border-color: #FFE082;
    color: var(--color-text);
}

.btn-warning:hover {
    background-color: #FFE082;
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: #FF8D8D;
    color: white;
}

.btn-group {
    margin: 2rem 0;
}

/* ========================================
   5. 機能リスト（ドット絵風ボックス）
   ======================================== */
.feature-list {
    margin-top: 2.5rem;
    text-align: left;
    background-color: var(--color-warning);
    /* 太いボーダー、角丸なし */
    border: 5px solid #FFD98D;
    border-radius: 0;
    padding: 2rem;
    /* カクカクした影 */
    box-shadow: 
        8px 0 0 rgba(0,0,0,0.15),
        0 8px 0 rgba(0,0,0,0.15),
        8px 8px 0 rgba(0,0,0,0.15);
}

.feature-list h3 {
    font-family: var(--font-pixel);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    text-shadow: 
        2px 0 0 rgba(255,255,255,0.5),
        0 2px 0 rgba(255,255,255,0.5);
}

.feature-list ul {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    padding-left: 2rem;
}

/* ドット絵風の箇条書きマーク */
.feature-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   6. フッター（ドット絵風）
   ======================================== */
footer {
    background-color: var(--color-border);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: auto;
    border-top: 6px solid var(--color-primary);
    box-shadow: 
        0 -6px 0 var(--color-shadow) inset;
    position: relative;
}

/* ドット絵風の装飾 */
footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-success) 0px,
        var(--color-success) 8px,
        var(--color-secondary) 8px,
        var(--color-secondary) 16px,
        var(--color-warning) 16px,
        var(--color-warning) 24px
    );
}

footer p {
    font-size: 0.9rem;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

/* ========================================
   7. スマホ対応
   ======================================== */
@media (max-width: 768px) {
    header h1 {
        font-size: 1rem;
    }
    
    .nav-link {
        display: block;
        margin: 0.5rem auto;
        max-width: 250px;
    }
    
    .welcome-container {
        padding: 1.5rem;
    }
    
    .welcome-container h2 {
        font-size: 1rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        max-width: 300px;
        margin: 0.5rem auto;
        text-align: center;
    }
    
    .feature-list h3 {
        font-size: 0.875rem;
    }
}

/* ========================================
   8. アニメーション（ドット絵風）
   ======================================== */
@keyframes pixelBounce {
    0%, 100% { 
        transform: translateY(0); 
    }
    50% { 
        transform: translateY(-8px); /* ピクセル単位で */
    }
}

@keyframes pixelShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.btn:hover {
    animation: pixelBounce 0.4s ease-in-out;
}

/* ページロード時のフェードイン */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(-16px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

.welcome-container {
    animation: fadeIn 0.5s ease-out;
}

/* ========================================
   9. 認証ページ（ログイン・登録）
   ======================================== */
.auth-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.auth-box {
    background: white;
    border: 6px solid var(--color-primary);
    border-radius: 0;
    padding: 2.5rem;
    box-shadow: 
        12px 0 0 var(--color-shadow),
        0 12px 0 var(--color-shadow),
        12px 12px 0 var(--color-shadow);
    animation: fadeIn 0.5s ease-out;
}

.auth-title {
    font-family: var(--font-pixel);
    font-size: 1.5rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 
        3px 0 0 rgba(0,0,0,0.1),
        0 3px 0 rgba(0,0,0,0.1),
        3px 3px 0 rgba(0,0,0,0.1);
}

.auth-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 4px solid var(--color-border);
    border-radius: 0;
    background-color: white;
    transition: all 0.2s;
    font-family: var(--font-body);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 
        4px 0 0 var(--color-primary),
        0 4px 0 var(--color-primary),
        4px 4px 0 var(--color-primary);
}

.form-control::placeholder {
    color: #999;
}

.btn-block {
    width: 100%;
    display: block;
}

.error-message {
    background-color: var(--color-danger);
    color: white;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 4px solid #D32F2F;
    font-weight: bold;
    text-align: center;
}

.success-message {
    background-color: var(--color-success);
    color: white;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 4px solid #388E3C;
    font-weight: bold;
    text-align: center;
}

.auth-links {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 3px dashed var(--color-border);
}

.auth-links p {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: #666;
}

/* ========================================
   10. ページ共通スタイル
   ======================================== */
.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-title {
    font-family: var(--font-pixel);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.action-bar {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

/* ========================================
   11. ガチャカード
   ======================================== */
.gacha-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.gacha-card {
    background: white;
    border: 5px solid var(--color-primary);
    padding: 1.5rem;
    box-shadow: 
        8px 0 0 var(--color-shadow),
        0 8px 0 var(--color-shadow),
        8px 8px 0 var(--color-shadow);
}

.gacha-card-header h3 {
    margin-bottom: 1rem;
    color: var(--color-text);
}

.gacha-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ========================================
   12. 空状態
   ======================================== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* ========================================
   13. ガチャ作成フォーム
   ======================================== */
.create-gacha-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-section {
    background: white;
    border: 5px solid var(--color-border);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 
        6px 0 0 rgba(0,0,0,0.1),
        0 6px 0 rgba(0,0,0,0.1),
        6px 6px 0 rgba(0,0,0,0.1);
}

.section-title {
    font-family: var(--font-pixel);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.item-input-group {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.probability-info {
    display: flex;
    justify-content: space-around;
    padding: 1rem;
    background: var(--color-bg);
    border: 4px solid var(--color-border);
    margin-bottom: 1rem;
}

.item-table {
    width: 100%;
    border-collapse: collapse;
}

.item-table th,
.item-table td {
    padding: 0.75rem;
    border: 3px solid var(--color-border);
    text-align: left;
}

.item-table th {
    background: var(--color-primary);
    color: white;
    font-weight: bold;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* ========================================
   14. ガチャマシン
   ======================================== */
.gacha-spin-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.gacha-machine {
    margin: 2rem 0;
}

.machine-top {
    font-size: 5rem;
    animation: swing 2s ease-in-out infinite;
}

@keyframes swing {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.machine-body {
    background: var(--color-primary);
    border: 6px solid var(--color-border);
    padding: 2rem;
    margin-top: -1rem;
    box-shadow: 
        10px 0 0 var(--color-shadow),
        0 10px 0 var(--color-shadow),
        10px 10px 0 var(--color-shadow);
}

.machine-display {
    background: var(--color-bg);
    border: 4px solid var(--color-border);
    padding: 1.5rem;
    font-size: 1.2rem;
    font-weight: bold;
}

.btn-spin {
    font-size: 1.5rem;
    padding: 1.5rem 3rem;
    margin: 2rem 0;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ========================================
   15. レスポンシブ対応
   ======================================== */
@media (max-width: 768px) {
    .gacha-grid {
        grid-template-columns: 1fr;
    }
    
    .item-input-group {
        grid-template-columns: 1fr;
    }
    
    .action-bar {
        flex-direction: column;
    }
}

/* 追加：不足しているスタイル */
.preview-items {
    margin-top: 1rem;
}

.preview-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    margin: 0.5rem 0;
    background: white;
    border: 3px solid var(--color-border);
}

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

.item-probability {
    color: var(--color-primary);
    font-weight: bold;
}

/* ========================================
   16. 絵文字セレクター
   ======================================== */
.emoji-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.emoji-option {
    cursor: pointer;
}

.emoji-option input[type="radio"] {
    display: none;
}

.emoji-option .emoji {
    display: inline-block;
    font-size: 2rem;
    padding: 0.5rem;
    border: 3px solid transparent;
    border-radius: 8px;
    transition: all 0.2s;
}

.emoji-option input[type="radio"]:checked + .emoji {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
    transform: scale(1.2);
}

.emoji-option:hover .emoji {
    transform: scale(1.1);
}

/* ========================================
   17. ラジオボタングループ
   ======================================== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.radio-option {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    border: 4px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-option:hover {
    background-color: var(--color-bg);
}

.radio-option input[type="radio"] {
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.radio-option input[type="radio"]:checked ~ .radio-label {
    color: var(--color-primary);
}

.radio-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.radio-label strong {
    font-size: 1.1rem;
}

.radio-label small {
    color: #666;
}

/* ========================================
   18. フォーム行レイアウト
   ======================================== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.required {
    color: var(--color-danger);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}