/* static/css/style.css */
:root {
    --primary: #4A90E2;
    --secondary: #7C8B9F;
    --background: #F0F4F8;
    --glass: rgba(255, 255, 255, 0.9);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

body {
    background: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', sans-serif;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box; 
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.header h1 {
    color: #2C3E50;
    font-size: 2.2rem;
    margin: 0;
    font-weight: 600;
}

.form-group {
    margin-bottom: 30px;
}

.form-group > label {
    margin-left: 5px; 
}

label {
    display: block;
    color: var(--secondary);
    margin-bottom: 15px;
    font-weight: 500;
    font-size: 1.1rem;
}

label i {
    margin-right: 8px;
}

/* 年份选择样式 */
.dual-select {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

select {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #E0E6ED;
    border-radius: 10px;
    background: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

/* 层级选择卡片 */
.level-select {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.level-option input {
    display: none;
}

.level-card {
    background: white;
    border: 2px solid #E0E6ED;
    border-radius: 12px;
    padding: 15px; 
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--card-shadow);
    position: relative;
}

.level-card i {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.level-card span {
    color: var(--secondary);
    font-weight: 500;
}

.level-card p {
    color: var(--secondary);
    font-size: 0.9rem;
    margin: 5px 0 0;
}

.level-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3);
    pointer-events: none;
}

.level-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.2);
    border-color: var(--primary);
}

.level-option input:checked + .level-card {
    border-color: var(--primary);
    background: rgba(74, 144, 226, 0.1);
}

.level-option input:checked + .level-card i,
.level-option input:checked + .level-card span {
    color: var(--primary);
}

/* 切换按钮样式 */
.toggle-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.toggle-option {
    position: relative;
}

.toggle-option input {
    display: none;
}

.toggle-btn {
    padding: 18px 15px; 
    border: 2px solid #E0E6ED;
    border-radius: 12px; 
    background: white;
    color: var(--secondary);
    cursor: pointer;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--card-shadow); 
}

.toggle-option input:checked + .toggle-btn {
    border-color: var(--primary);
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary);
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3), 
                var(--card-shadow);
}

/* 禁用状态样式 */
.toggle-option input:disabled + .toggle-btn {
    opacity: 0.6;
    cursor: not-allowed;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 5px,
        rgba(0,0,0,0.05) 5px,
        rgba(0,0,0,0.05) 10px
    );
}

.toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.15);
    border-color: var(--primary);
}

/* 统一过渡动画 */
.level-card, .toggle-btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 按钮样式 */
.action-btns {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn i {
    font-size: 1.2rem;
}

.primary {
    background: var(--primary);
    color: white;
}

.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.secondary {
    background: #E0E6ED;
    color: var(--secondary);
}

.secondary:hover {
    background: #D0D6DD;
}

.result {
    margin-top: 20px;
    padding: 40px 20px; 
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: calc(100% - 40px); 
    max-width: 800px;
    margin: 20px auto 0; 
    box-sizing: border-box; 
}

.result-container {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.result-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 10px;
    transition: all 0.3s ease;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.result-table th,
.result-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.result-table th {
    background-color: var(--primary);
    color: white;
    font-weight: 500;
}

.result-table tr:last-child td {
    border-bottom: none;
}

.result-table tr:hover {
    background-color: rgba(74, 144, 226, 0.05);
}

/* 动态结果样式 */
.result-content:not(:empty) {
    animation: fadeIn 0.3s ease;
    margin-top: 15px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

.modal p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--secondary);
}


.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--glass);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: none;
    z-index: 9999 !important;
    text-align: center;
}

.loading-indicator.active {
    display: block;
}

.loading-indicator i {
    font-size: 2rem;
    color: var(--primary);
    margin-right: 10px;
}

.loading-indicator span {
    color: var(--secondary);
    font-weight: 500;
}