/*
 * 单位换算器样式
 * 适配 CLI 主题
 */

.converter-container {
    padding: 0;
    margin: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    position: relative;
}

.converter-header {
    text-align: left;
    margin-bottom: 2vw;
    padding-bottom: 1.5vw;
    border-bottom: 1px dashed var(--cli-border);
}

.converter-header h1 {
    color: var(--cli-fg);
    margin-bottom: 0.5vw;
    font-size: 1.5rem;
}

.converter-header h1::before {
    content: '# ';
    color: var(--cli-fg-dim);
}

.converter-header p {
    color: var(--cli-fg-dim);
    margin: 0;
    font-size: 0.9rem;
}

.converter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5vw;
}

.conversion-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto 1fr 1fr;
    gap: 1vw;
    align-items: end;
}

@media (max-width: 768px) {
    .conversion-row {
        grid-template-columns: 1fr;
    }
    
    .swap-btn-container {
        order: -1;
        justify-content: flex-start;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.4vw;
}

.input-group label {
    color: var(--cli-fg-dim);
    font-size: 0.85rem;
}

.input-group input,
.input-group select {
    width: 100%;
    background: var(--cli-input-bg);
    border: 1px solid var(--cli-border);
    color: var(--cli-fg);
    font-family: inherit;
    padding: 0.8vw 1vw;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--cli-fg);
}

.input-group select {
    cursor: pointer;
}

.swap-btn-container {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.8vw;
}

.swap-btn {
    background: transparent;
    color: var(--cli-fg);
    border: 1px solid var(--cli-fg);
    width: 3vw;
    min-width: 36px;
    height: 3vw;
    min-height: 36px;
    border-radius: 0;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.swap-btn:hover {
    background: var(--cli-fg);
    color: var(--cli-bg);
}

.convert-btn {
    background: var(--cli-fg);
    color: var(--cli-bg);
    border: 1px solid var(--cli-fg);
    padding: 1vw 2vw;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
}

.convert-btn:hover {
    background: transparent;
    color: var(--cli-fg);
}

.result {
    margin-top: 2vw;
    padding: 1.5vw;
    border: 1px dashed var(--cli-fg);
    text-align: left;
    font-size: 1rem;
    color: var(--cli-fg);
    display: none;
}

.result::before {
    content: '> ';
    color: var(--cli-fg-dim);
}

.help-icon {
    position: absolute;
    top: 1vw;
    right: 1vw;
    width: 3vw;
    height: 3vw;
    min-width: 32px;
    min-height: 32px;
    background: transparent;
    border: 1px solid var(--cli-fg);
    color: var(--cli-fg);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: all 0.15s;
}

.help-icon:hover {
    background: var(--cli-fg);
    color: var(--cli-bg);
}

.help-modal {
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
}

.help-content {
    background: var(--cli-bg);
    border: 1px solid var(--cli-fg);
    color: var(--cli-fg);
    padding: 2vw;
    max-width: 95vw;
    max-height: 80vh;
    overflow-y: auto;
    font-family: inherit;
}

.help-content h2 {
    color: var(--cli-fg);
    text-align: left;
    margin: 0 0 1.5vw 0;
    padding-bottom: 1vw;
    border-bottom: 1px dashed var(--cli-border);
}

.help-content h2::before {
    content: '## ';
    color: var(--cli-fg-dim);
}

.help-section {
    margin-bottom: 1.5vw;
}

.help-section h3 {
    color: var(--cli-fg);
    margin: 0 0 0.5vw 0;
    font-size: 0.95rem;
}

.help-section h3::before {
    content: '### ';
    color: var(--cli-fg-dim);
}

.help-section p {
    color: var(--cli-fg-dim);
    margin: 0;
    line-height: 1.6;
}

.close {
    position: absolute;
    top: 1vw;
    right: 1.5vw;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--cli-fg);
    font-family: inherit;
}

.close:hover {
    color: var(--cli-error);
}

@media (max-width: 768px) {
    .help-content {
        max-width: 95vw;
        margin: 2vw;
    }
}