/* ==================== 整体样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gold: #D4AF37;
    --primary-pink: #FFB6C1;
    --bg-cream: #FFF5E6;
    --mint-green: #98FB98;
    --coral-red: #F08080;
    --text-gold: #B8860B;
    --text-dark: #4A4A4A;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(212, 175, 55, 0.15);
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #FFF5E6 0%, #FFE4E1 100%);
    min-height: 100vh;
    color: var(--text-dark);
    padding-bottom: 80px;
}

/* ==================== 顶部标题栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(90deg, rgba(255, 182, 193, 0.85), rgba(212, 175, 55, 0.85));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header.hidden {
    transform: translateY(-100%);
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

/* ==================== 主容器 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 20px;
}

/* ==================== 总存款展示区 ==================== */
.total-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 240, 245, 0.95));
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    backdrop-filter: blur(10px);
}

.total-section h2 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 500;
}

.total-amount {
    font-size: 56px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-gold), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 15px 0;
    letter-spacing: 2px;
}

.change-info {
    font-size: 16px;
    margin-top: 10px;
}

.change-info.positive {
    color: var(--mint-green);
}

.change-info.negative {
    color: var(--coral-red);
}

/* ==================== 提示信息 ==================== */
.reminder {
    background: linear-gradient(135deg, rgba(255, 248, 220, 0.9), rgba(255, 228, 225, 0.9));
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(212, 175, 55, 0.1);
    display: none;
}

.reminder.show {
    display: block;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reminder p {
    color: var(--text-gold);
    font-size: 16px;
}

/* ==================== 图表区域 ==================== */
.charts-section {
    margin-bottom: 30px;
}

.chart-card {
    background: var(--white);
    border-radius: 24px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.chart-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.chart-card.pink h3 {
    color: var(--coral-red);
}

.chart-card.gold h3 {
    color: var(--primary-gold);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-gold);
    font-size: 18px;
}

.empty-state .icon {
    font-size: 60px;
    margin-bottom: 20px;
}

/* ==================== 底部悬浮栏 ==================== */
.bottom-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 -4px 20px rgba(212, 175, 55, 0.2);
    display: flex;
    gap: 15px;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.bottom-btn {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.bottom-btn.primary {
    background: linear-gradient(135deg, var(--primary-gold), #F4D03F);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.bottom-btn.secondary {
    background: linear-gradient(135deg, var(--primary-pink), #FFA07A);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 182, 193, 0.3);
}

.bottom-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.bottom-btn:active {
    transform: translateY(0);
}

/* ==================== 弹窗样式 ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--white);
    border-radius: 24px;
    padding: 40px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #E8E8E8;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #FAFAFA;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-gold);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.modal-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.modal-btn {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-btn.primary {
    background: linear-gradient(135deg, var(--primary-gold), #F4D03F);
    color: var(--white);
}

.modal-btn.secondary {
    background: #E8E8E8;
    color: var(--text-dark);
}

.modal-btn:hover {
    transform: translateY(-2px);
}

.total-preview {
    background: linear-gradient(135deg, rgba(255, 240, 245, 0.5), rgba(255, 248, 220, 0.5));
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
}

.total-preview p {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.total-preview .amount {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-gold), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 详细记录列表 ==================== */
.detail-modal {
    max-width: 800px;
}

.record-list {
    max-height: 60vh;
    overflow-y: auto;
}

.record-item {
    background: #FAFAFA;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.record-item:hover {
    background: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.record-date {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.record-actions {
    display: flex;
    gap: 10px;
}

.record-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.record-btn.edit {
    background: var(--primary-gold);
    color: var(--white);
}

.record-btn.delete {
    background: var(--coral-red);
    color: var(--white);
}

.record-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.record-detail-item {
    text-align: center;
}

.record-detail-item .label {
    font-size: 14px;
    color: var(--text-gold);
    margin-bottom: 5px;
}

.record-detail-item .value {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.record-detail-item.small .value {
    color: var(--coral-red);
}

.record-detail-item.big .value {
    color: var(--primary-gold);
}

.record-change {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 10px;
    font-size: 14px;
}

.record-change.positive {
    color: var(--mint-green);
}

.record-change.negative {
    color: var(--coral-red);
}

@media (max-width: 600px) {
    .record-details {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

/* ==================== 消息提示 ==================== */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 20px 40px;
    border-radius: 16px;
    font-size: 16px;
    z-index: 3000;
    display: none;
    backdrop-filter: blur(10px);
}

.toast.show {
    display: block;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.toast.success {
    background: linear-gradient(135deg, var(--mint-green), #90EE90);
    color: #2E7D32;
}

.toast.error {
    background: linear-gradient(135deg, var(--coral-red), #FF6B6B);
    color: var(--white);
}

/* ==================== 密码错误动画 ==================== */
.shake {
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .total-section {
        padding: 30px 20px;
    }

    .total-amount {
        font-size: 40px;
    }

    .container {
        padding: 80px 15px 20px;
    }

    .modal {
        padding: 30px 20px;
        width: 95%;
    }

    .bottom-bar {
        width: 95%;
        padding: 12px;
    }

    .bottom-btn {
        padding: 12px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .total-amount {
        font-size: 32px;
    }

    .chart-container {
        height: 250px;
    }

    .modal h3 {
        font-size: 20px;
    }

    .form-group label {
        font-size: 14px;
    }

    .form-group input {
        padding: 12px;
        font-size: 15px;
    }
}