/* 股票做T收益计算器样式 - 蓝色主题 */

:root {
    --primary-blue: #3B82F6;
    --primary-blue-dark: #2563EB;
    --primary-blue-light: #60A5FA;
    --primary-green: #10B981;
    --primary-red: #EF4444;
    --bg-light: #F9FAFB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

.container {
    min-height: auto;
    padding: 2rem 1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.title .icon {
    color: var(--primary-blue);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 计算模式选择 */
.calc-mode-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background: #F3F4F6;
    border-radius: 0.75rem;
}

.calc-mode-option {
    flex: 1;
    cursor: pointer;
}

.calc-mode-option input {
    display: none;
}

.calc-mode-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.calc-mode-option input:checked + .calc-mode-label {
    background: white;
    color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

.calc-mode-label svg {
    flex-shrink: 0;
}

/* 计算器卡片 */
.calculator-card {
    background: white;
    border-radius: 1rem;
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title svg {
    color: var(--primary-blue);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.form-label svg {
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-suffix {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    pointer-events: none;
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* 高级设置 */
.advanced-toggle {
    margin: 1rem 0;
    text-align: center;
}

.toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: #F3F4F6;
    border: 1px solid #E5E7EB;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    background: #E5E7EB;
    color: var(--text-primary);
}

.toggle-btn .arrow-icon {
    transition: transform 0.2s ease;
}

.toggle-btn.expanded .arrow-icon {
    transform: rotate(180deg);
}

.advanced-settings {
    padding: 1.25rem;
    background: #F9FAFB;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #E5E7EB;
}

/* 按钮 */
.button-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.calculate-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.calculate-button:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.reset-button {
    padding: 0.875rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    background: white;
    border: 1px solid #D1D5DB;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.reset-button:hover {
    background: #F3F4F6;
    border-color: #9CA3AF;
}

/* 结果卡片 */
.result-card {
    background: white;
    border-radius: 1rem;
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.result-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-title svg {
    color: var(--primary-blue);
}

/* 收益高亮显示 */
.profit-highlight {
    text-align: center;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border: 1px solid #86EFAC;
}

.profit-highlight.loss {
    background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
    border-color: #FCA5A5;
}

.profit-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.profit-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1.2;
}

.profit-highlight.loss .profit-value {
    color: var(--primary-red);
}

.profit-rate {
    font-size: 1rem;
    color: var(--primary-green);
    margin-top: 0.25rem;
}

.profit-highlight.loss .profit-rate {
    color: var(--primary-red);
}

/* 明细部分 */
.detail-section {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.section-title svg {
    color: var(--primary-blue);
}

.detail-table {
    background: #F9FAFB;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row.highlight {
    background: #EFF6FF;
}

.detail-row.total {
    background: #F3F4F6;
    font-weight: 600;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
}

.detail-value.fee {
    color: var(--primary-red);
}

/* 盈亏平衡 */
.breakeven-section {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border: 1px solid #93C5FD;
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.breakeven-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 0.75rem;
}

.breakeven-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.breakeven-label {
    font-size: 0.8rem;
    color: #1E40AF;
}

.breakeven-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1D4ED8;
}

.breakeven-tip {
    font-size: 0.85rem;
    color: #1E40AF;
    margin: 0;
}

/* 保存历史按钮 */
.save-history-section {
    margin-top: 1.5rem;
    text-align: center;
}

.save-history-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.save-history-btn:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

/* 历史记录卡片 */
.history-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.history-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.history-title svg {
    color: var(--primary-blue);
}

.clear-history-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid #D1D5DB;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-history-btn:hover {
    background: #FEF2F2;
    border-color: #FCA5A5;
    color: var(--primary-red);
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.history-empty svg {
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

.history-empty p {
    margin: 0;
    font-size: 0.9rem;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
}

.history-item:hover {
    border-color: var(--primary-blue);
    background: #F8FAFC;
}

.history-item:last-child {
    margin-bottom: 0;
}

.history-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.history-item-main {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.history-item-shares {
    font-weight: 600;
    color: var(--text-primary);
}

.history-item-price {
    color: var(--text-secondary);
}

.history-item-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-item-profit {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.1rem;
}

.history-item-profit-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.history-item-profit-value.profit {
    color: var(--primary-green);
}

.history-item-profit-value.loss {
    color: var(--primary-red);
}

.history-item-profit-rate {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-item-delete {
    padding: 0.3rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    border-radius: 0.25rem;
}

.history-item:hover .history-item-delete {
    opacity: 1;
}

.history-item-delete:hover {
    color: var(--primary-red);
    background: #FEF2F2;
}

/* 信息卡片 */
.info-card {
    background: white;
    border-radius: 1rem;
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.info-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-title svg {
    color: var(--primary-blue);
}

.info-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.info-content p {
    margin-bottom: 1rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.info-item {
    background: #F9FAFB;
    border-radius: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.info-item h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.info-item p {
    margin: 0;
    font-size: 0.875rem;
}

.fee-info {
    background: #EFF6FF;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid #BFDBFE;
}

.fee-info h4 {
    color: #1E40AF;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.fee-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fee-info li {
    padding: 0.4rem 0;
    padding-left: 1rem;
    position: relative;
    font-size: 0.875rem;
    color: #1E40AF;
}

.fee-info li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

/* 逐次交易卡片 */
.sequential-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.sequential-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sequential-header .card-title {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.sequential-tip {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: #F0F9FF;
    border-radius: 0.375rem;
    border-left: 3px solid var(--primary-blue);
}

/* 逐次交易表单 */
.sequential-form {
    background: #F9FAFB;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.sequential-form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.seq-type {
    flex: 0 0 auto;
}

.seq-shares {
    flex: 1;
}

.seq-price {
    flex: 1;
}

.seq-btn {
    flex: 0 0 auto;
}

/* 交易类型选择 */
.trade-type-selector {
    display: flex;
    gap: 0.5rem;
}

.trade-type-option {
    cursor: pointer;
}

.trade-type-option input {
    display: none;
}

.trade-type-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: white;
    transition: all 0.2s ease;
}

.trade-type-label.buy {
    color: var(--primary-red);
}

.trade-type-label.sell {
    color: var(--primary-green);
}

.trade-type-option input:checked + .trade-type-label.buy {
    background: #FEF2F2;
    border-color: #FCA5A5;
    color: var(--primary-red);
}

.trade-type-option input:checked + .trade-type-label.sell {
    background: #F0FDF4;
    border-color: #86EFAC;
    color: var(--primary-green);
}

/* 添加交易按钮 */
.add-trade-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.add-trade-btn:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    transform: translateY(-1px);
}

/* 逐次交易列表 */
.sequential-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.sequential-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.sequential-empty svg {
    opacity: 0.4;
    margin-bottom: 0.5rem;
}

.sequential-empty p {
    margin: 0;
    font-size: 0.85rem;
}

/* 交易记录项 */
.seq-trade-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    background: white;
    transition: all 0.2s ease;
}

.seq-trade-item:hover {
    border-color: var(--primary-blue);
}

.seq-trade-item:last-child {
    margin-bottom: 0;
}

.seq-trade-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.seq-trade-type {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.seq-trade-type.buy {
    background: #FEF2F2;
    color: var(--primary-red);
}

.seq-trade-type.sell {
    background: #F0FDF4;
    color: var(--primary-green);
}

.seq-trade-detail {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.seq-trade-detail span {
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.seq-trade-amount {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.seq-trade-value {
    font-weight: 600;
    font-size: 0.9rem;
}

.seq-trade-value.buy {
    color: var(--primary-red);
}

.seq-trade-value.sell {
    color: var(--primary-green);
}

.seq-trade-delete {
    padding: 0.25rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    border-radius: 0.25rem;
}

.seq-trade-item:hover .seq-trade-delete {
    opacity: 1;
}

.seq-trade-delete:hover {
    color: var(--primary-red);
    background: #FEF2F2;
}

/* 逐次计算汇总 */
.sequential-summary {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border: 1px solid #93C5FD;
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.summary-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #93C5FD;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 80px;
}

.summary-label {
    font-size: 0.75rem;
    color: #1E40AF;
}

.summary-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1D4ED8;
}

.summary-value.fee {
    color: var(--primary-red);
}

.summary-profit {
    text-align: center;
}

.summary-profit-label {
    font-size: 0.85rem;
    color: #1E40AF;
    margin-bottom: 0.25rem;
}

.summary-profit-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
}

.summary-profit.loss .summary-profit-value {
    color: var(--primary-red);
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 1rem 0.75rem;
    }

    .title {
        font-size: 1.5rem;
    }

    .calc-mode-selector {
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .calculator-card,
    .result-card,
    .history-card,
    .info-card {
        padding: 1.25rem;
    }

    .profit-value {
        font-size: 2rem;
    }

    .breakeven-info {
        flex-direction: column;
        gap: 0.75rem;
    }

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

    .button-container {
        flex-direction: column;
    }

    .calculate-button,
    .reset-button {
        width: 100%;
        justify-content: center;
    }

    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .history-item-profit {
        align-items: flex-start;
    }

    .history-item-delete {
        opacity: 1;
        position: absolute;
        right: 1rem;
        top: 1rem;
    }

    .history-item {
        position: relative;
    }

    /* 逐次交易响应式 */
    .sequential-form-row {
        flex-wrap: wrap;
    }

    .seq-type {
        width: 100%;
    }

    .seq-shares,
    .seq-price {
        flex: 1;
        min-width: 120px;
    }

    .seq-btn {
        width: 100%;
    }

    .add-trade-btn {
        width: 100%;
        justify-content: center;
    }

    .seq-trade-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .seq-trade-amount {
        width: 100%;
        justify-content: space-between;
    }

    .seq-trade-delete {
        opacity: 1;
    }

    .summary-stats {
        justify-content: space-between;
    }

    .summary-item {
        flex: 0 0 45%;
    }

    .summary-profit-value {
        font-size: 1.5rem;
    }
}