/* 頁面標題 */
.page-header {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-header h1 {
    font-size: 2.5em;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1em;
}

.section-title {
    font-size: 1.8em;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-align: center;
}

/* 輸入區域 */
.input-section {
    margin-bottom: 30px;
}

.input-container {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
}

.input-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 150px;
}

.input-group label {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.input-group input,
.input-group select {
    padding: 12px;
    border: 2px solid var(--milk-tea-light);
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--milk-tea-dark);
}

.calculate-btn {
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--milk-tea-medium) 0%, var(--milk-tea-dark) 100%);
    color: var(--text-on-dark); /* Creamy white for text on milk tea background */
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s;
    white-space: nowrap;
    align-self: flex-end;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--milk-tea-dark), 0.4);
}

/* 結果區域 */
.result-section {
    margin-bottom: 30px;
}

.basic-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    background: linear-gradient(135deg, var(--milk-tea-medium) 0%, var(--milk-tea-dark) 100%);
    color: var(--text-on-dark); /* Creamy white for text on milk tea background */
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

.info-label {
    font-size: 0.9em;
    opacity: 0.9;
    margin-bottom: 10px;
}

.info-value {
    font-size: 2em;
    font-weight: bold;
}

/* 特技草表格 */
.grass-table-container {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow-x: auto;
}

.grass-table-container h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.3em;
}

.grass-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.grass-table th {
    background: linear-gradient(135deg, var(--milk-tea-medium) 0%, var(--milk-tea-dark) 100%);
    color: var(--text-on-dark); /* Creamy white for text on milk tea background */
    padding: 12px;
    text-align: center;
    font-weight: bold;
    font-size: 0.9em;
}

.grass-table td {
    padding: 12px;
    border-bottom: 1px solid var(--milk-tea-light);
    text-align: center;
}

.grass-table tbody tr:hover {
    background: var(--milk-tea-lightest);
}

.grass-name {
    font-weight: bold;
    color: var(--text-primary);
}

.highlight-row {
    background: var(--milk-tea-lightest) !important; /* Lighter milk tea for highlight row */
}

/* 方案對比 */
.comparison-container {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.comparison-container h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.3em;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.plan-card {
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.shop-plan {
    background: linear-gradient(135deg, var(--milk-tea-dark) 0%, var(--milk-tea-medium) 100%); /* Milk tea gradient */
    color: var(--text-on-dark); /* Creamy white for text on milk tea background */
}

.token-plan {
    background: linear-gradient(135deg, var(--milk-tea-medium) 0%, var(--milk-tea-dark) 100%); /* Milk tea gradient */
    color: var(--text-on-dark); /* Creamy white for text on milk tea background */
}

.plan-card h4 {
    margin-bottom: 15px;
    font-size: 1.3em;
}

.plan-detail p {
    margin-bottom: 10px;
    opacity: 0.95;
}

.plan-stats {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(var(--text-on-dark), 0.3);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.stat-label {
    opacity: 0.9;
}

.stat-value {
    font-weight: bold;
    font-size: 1.1em;
}

.recommendation {
    background: var(--milk-tea-lightest); /* Lighter milk tea */
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--milk-tea-dark);
}

.recommendation h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.recommendation p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.recommendation strong {
    color: var(--text-primary);
}

/* 說明區域 */
.info-section {
    margin-bottom: 30px;
}

.info-container {
    background: var(--bg-primary);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.info-item h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1em;
}

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

.info-item ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.info-item ul li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--text-primary);
    font-weight: bold;
}

.info-item p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .page-header {
        padding: 20px;
    }

    .page-header h1 {
        font-size: 1.8em;
    }

    .input-container {
        grid-template-columns: 1fr;
    }

    .basic-info {
        grid-template-columns: 1fr;
    }

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

    .info-container {
        grid-template-columns: 1fr;
    }

    .grass-table-container {
        padding: 15px;
    }

    .grass-table {
        font-size: 0.85em;
    }

    .grass-table th,
    .grass-table td {
        padding: 8px 5px;
    }
}