/**
 * 科学计算器样式
 */

/* 左右布局容器 */
.calculator-layout {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

/* 计算器容器 */
.calculator-container {
    background: var(--color-bg-secondary);
    border-radius: 16px;
    padding: 20px;
    flex: 1;
    max-width: 400px;
    position: relative;
}

/* 顶部工具栏 */
.calc-toolbar {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 16px;
}

.drawer-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
}

.drawer-toggle:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-hover);
}

.toggle-icon {
    font-size: 18px;
}

.toggle-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.toggle-arrow {
    font-size: 10px;
    color: var(--color-text-light);
    transition: transform 0.2s;
}

.drawer-toggle.open .toggle-arrow {
    transform: rotate(180deg);
}

/* 模式选择面板 */
.mode-panel {
    position: absolute;
    top: 52px;
    left: 20px;
    right: 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 50;
}

.mode-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mode-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.mode-item:hover {
    background: var(--color-bg-hover);
}

.mode-item.active {
    background: rgba(59, 130, 246, 0.1);
}

.mode-item.active .mode-name {
    color: var(--color-primary);
    font-weight: 600;
}

.mode-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.mode-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mode-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.mode-desc {
    font-size: 12px;
    color: var(--color-text-light);
}

/* 显示区域 */
.calc-display {
    background: var(--color-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.calc-expression {
    font-size: 16px;
    color: var(--color-text-light);
    min-height: 24px;
    text-align: right;
    word-break: break-all;
    margin-bottom: 8px;
}

.calc-result {
    font-size: 40px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-text);
    text-align: right;
    word-break: break-all;
    line-height: 1.2;
}

/* 按钮区域 */
.calc-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 科学按钮 */
.scientific-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.scientific-buttons.hidden {
    display: none;
}

/* 程序员模式面板 */
.programmer-panel {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.programmer-panel.hidden {
    display: none;
}

/* 多进制显示 */
.prog-value-display {
    background: var(--color-bg);
    border-radius: 8px;
    padding: 8px;
    margin-bottom: 12px;
}

.prog-value-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.prog-value-row:hover {
    background: var(--color-bg-secondary);
}

.prog-value-row.active {
    background: rgba(59, 130, 246, 0.1);
}

.prog-value-row.active .prog-label {
    color: var(--color-primary);
}

.prog-value-row.active .prog-value {
    color: var(--color-primary);
    font-weight: 600;
}

.prog-label {
    font-size: 11px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-text-light);
    width: 32px;
}

.prog-value {
    font-size: 14px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-text);
    word-break: break-all;
    text-align: right;
    flex: 1;
}

/* 位运算按钮 */
.prog-buttons {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}

.calc-btn.prog-func {
    padding: 10px 6px;
    background: #fef3c7;
    color: #b45309;
    font-size: 12px;
    font-weight: 600;
}

.calc-btn.prog-func:hover {
    background: #fde68a;
}

/* 十六进制按钮 */
.hex-buttons {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}

.hex-buttons.hidden {
    display: none;
}

.calc-btn.hex {
    padding: 10px 6px;
    background: #ede9fe;
    color: #6d28d9;
    font-size: 16px;
    font-weight: 600;
}

.calc-btn.hex:hover {
    background: #ddd6fe;
}

/* 基础按钮 */
.basic-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.button-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

/* 通用按钮样式 */
.calc-btn {
    padding: 18px 12px;
    border: none;
    border-radius: 10px;
    font-size: 20px;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.calc-btn:active {
    transform: scale(0.95);
}

/* 数字按钮 */
.calc-btn.number {
    background: var(--color-bg);
    color: var(--color-text);
}

.calc-btn.number:hover {
    background: var(--color-bg-hover);
}

/* 运算符按钮 */
.calc-btn.operator {
    background: #e0e7ff;
    color: #4f46e5;
}

.calc-btn.operator:hover {
    background: #c7d2fe;
}

/* 函数按钮 */
.calc-btn.func {
    background: #f0fdf4;
    color: #15803d;
    font-size: 16px;
}

.calc-btn.func:hover {
    background: #dcfce7;
}

/* 清除按钮 */
.calc-btn.clear {
    background: #fef2f2;
    color: #dc2626;
}

.calc-btn.clear:hover {
    background: #fee2e2;
}

/* 等于按钮 */
.calc-btn.equals {
    background: var(--color-primary);
    color: white;
}

.calc-btn.equals:hover {
    background: #2563eb;
}

/* 历史记录 */
.calc-history {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 16px;
    width: 280px;
    flex-shrink: 0;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.history-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.history-clear {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.15s;
}

.history-clear:hover {
    border-color: #dc2626;
    color: #dc2626;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-empty {
    text-align: center;
    padding: 20px;
    color: var(--color-text-light);
    font-size: 13px;
}

.history-item {
    padding: 12px;
    background: var(--color-bg);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.history-item:hover {
    background: var(--color-bg-hover);
}

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

.history-expression {
    font-size: 13px;
    color: var(--color-text-secondary);
    word-break: break-all;
}

.history-result {
    font-size: 18px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-primary);
    margin-top: 4px;
}

/* 快捷键样式 */
.usage-list kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--color-text);
}

/* 响应式 */
@media (max-width: 800px) {
    .calculator-layout {
        flex-direction: column;
    }

    .calculator-container {
        max-width: 100%;
    }

    .calc-history {
        width: 100%;
        max-width: 400px;
    }
}

@media (max-width: 600px) {
    .calculator-container {
        padding: 16px;
    }

    .calc-result {
        font-size: 32px;
    }

    .calc-btn {
        padding: 14px 10px;
        font-size: 18px;
    }

    .calc-btn.func {
        font-size: 14px;
    }

    .scientific-buttons {
        grid-template-columns: repeat(4, 1fr);
    }

    .history-item {
        padding: 10px;
    }

    .history-result {
        font-size: 16px;
    }
}