/* 
   動物之森風格 CSS 
   特徵：圓角、柔和的色調(木紋、草綠、粉色)、可愛的陰影與微小的按鈕動畫
*/
:root {
    --ac-green: #A3D8A5;
    --ac-dark-green: #7BB880;
    --ac-wood: #D7B586;
    --ac-dark-wood: #B9915D;
    --ac-yellow: #FFF1A0;
    --ac-bg: #E8F4E5;
    --ac-white: #FFFEFA;
    --ac-text: #5A4A3C;
    --ac-shadow: rgba(90, 74, 60, 0.15);
}

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

body {
    font-family: 'Nunito', 'Microsoft JhengHei', sans-serif;
    background-color: var(--ac-bg);
    color: var(--ac-text);
    line-height: 1.6;
}

/* 登入頁面背景 */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: radial-gradient(var(--ac-white) 15%, transparent 16%),
                      radial-gradient(var(--ac-white) 15%, transparent 16%);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
    background-color: var(--ac-green);
}

/* 容器與卡片 */
.login-container, .card {
    background-color: var(--ac-white);
    padding: 30px;
    border-radius: 25px;
    box-shadow: 0 8px 0 var(--ac-shadow);
    border: 3px solid var(--ac-wood);
}

.login-container {
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background-color: var(--ac-white);
    border-radius: 25px;
    box-shadow: 0 6px 0 var(--ac-shadow);
    border: 3px solid var(--ac-wood);
    margin-bottom: 20px;
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 標題與圖示 */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.app-header .logo {
    margin-bottom: 0;
}

.leaf-icon {
    font-size: 2rem;
}

h1, h2, h3 {
    color: var(--ac-dark-wood);
    font-weight: 700;
}

/* 表單與輸入框 */
.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--ac-text);
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--ac-wood);
    border-radius: 15px;
    font-size: 1rem;
    font-family: inherit;
    background-color: #FFF;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    border-color: var(--ac-dark-green);
    box-shadow: 0 0 0 3px rgba(123, 184, 128, 0.3);
}

/* 按鈕 */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border: none;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: bold;
    font-family: inherit;
    cursor: pointer;
    text-align: center;
    transition: transform 0.1s, box-shadow 0.1s;
    box-shadow: 0 5px 0 rgba(0,0,0,0.15);
}

.btn:active {
    transform: translateY(5px);
    box-shadow: 0 0 0 rgba(0,0,0,0.15);
}

.btn-primary {
    background-color: var(--ac-green);
    color: var(--ac-text);
}

.btn-primary:hover {
    background-color: var(--ac-dark-green);
    color: #FFF;
}

.btn-secondary {
    background-color: var(--ac-wood);
    color: #FFF;
}

.btn-secondary:hover {
    background-color: var(--ac-dark-wood);
}

.btn-accent {
    background-color: var(--ac-yellow);
    color: var(--ac-text);
}

.btn-small {
    padding: 8px 15px;
    font-size: 0.9rem;
    box-shadow: 0 3px 0 rgba(0,0,0,0.15);
    border-radius: 15px;
}

.btn-small:active {
    transform: translateY(3px);
    box-shadow: 0 0 0 rgba(0,0,0,0.15);
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

/* 狀態徽章 */
.status-badge {
    display: inline-block;
    padding: 5px 15px;
    background-color: var(--ac-green);
    color: var(--ac-text);
    border-radius: 15px;
    font-weight: bold;
    margin-top: 10px;
}

/* 自定義彈出視窗 (Dialog) */
.custom-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(90, 74, 60, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}

.custom-dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.custom-dialog {
    background-color: var(--ac-white);
    padding: 30px;
    border-radius: 25px;
    border: 4px solid var(--ac-wood);
    box-shadow: 0 10px 0 var(--ac-shadow);
    max-width: 400px;
    width: 90%;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.custom-dialog-overlay.active .custom-dialog {
    transform: scale(1);
}

.custom-dialog-message {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--ac-text);
}

.custom-dialog-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* 信用卡網格與卡片設計 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.credit-card-item {
    background: linear-gradient(135deg, #FFB7B2 0%, #E2F0CB 100%);
    border-radius: 20px;
    padding: 20px;
    color: var(--ac-text);
    box-shadow: 0 6px 0 var(--ac-shadow);
    border: 3px dashed var(--ac-white);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.credit-card-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 11px 0 var(--ac-shadow);
}

.credit-card-item::before {
    content: "🍃 哩數卡";
    position: absolute;
    top: 15px;
    right: 20px;
    font-weight: bold;
    opacity: 0.7;
}

.card-number {
    font-size: 1.4rem;
    letter-spacing: 2px;
    margin: 25px 0 15px 0;
    font-family: monospace;
}

.card-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    opacity: 0.9;
}

.card-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* 響應式設計 */
@media (max-width: 600px) {
    .app-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .button-group {
        flex-direction: column;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}