/**
 * 罗马数字转换器样式
 *
 * @package Polyglot Web Tools
 */

/* 优化整体容器 */
.pwt-roman-numeral-converter {
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', Arial, sans-serif;
    max-width: 480px;
    margin: 32px auto;
    padding: 24px 20px 28px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(58,123,194,0.08), 0 1.5px 4px rgba(0,0,0,0.04);
}

.pwt-roman-numeral-converter .pwt-tool-header {
    margin-bottom: 18px;
    text-align: center;
}
.pwt-roman-numeral-converter .pwt-tool-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}
.pwt-roman-numeral-converter .pwt-tool-description {
    color: #6a7a8c;
    font-size: 1rem;
    margin-bottom: 0;
}

/* 转换方向切换 */
.pwt-roman-numeral-converter .pwt-converter-direction {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 22px;
    padding: 0;
    background: none;
    border-radius: 0;
}
/* 单选框选中项高亮 */
.pwt-roman-numeral-converter .pwt-direction-label {
    position: relative;
    padding: 4px 16px 4px 8px;
    border-radius: 7px;
    transition: background 0.2s, color 0.2s;
}
.pwt-roman-numeral-converter .pwt-direction-label input[type="radio"] {
    margin-right: 6px;
    accent-color: #3a7bc2;
    position: relative;
    z-index: 2;
}
.pwt-roman-numeral-converter .pwt-direction-label input[type="radio"]:checked + span,
.pwt-roman-numeral-converter .pwt-direction-label input[type="radio"]:checked {
    /* 兼容性处理 */
}
.pwt-roman-numeral-converter .pwt-direction-label.selected,
.pwt-roman-numeral-converter .pwt-direction-label input[type="radio"]:checked ~ span {
    background: #eaf4fd;
    color: #205a8e;
    box-shadow: 0 2px 8px rgba(58,123,194,0.07);
}

/* 表单组和输入框 */
.pwt-roman-numeral-converter .pwt-conversion-form {
    margin-bottom: 18px;
    padding: 0;
    background: none;
    border-radius: 0;
    border: none;
}
.pwt-roman-numeral-converter .pwt-form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pwt-roman-numeral-converter .pwt-label {
    font-size: 1rem;
    font-weight: 600;
    color: #3a7bc2;
    margin-bottom: 2px;
}
.pwt-roman-numeral-converter .pwt-input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #dbe7f6;
    border-radius: 8px;
    font-size: 1.08rem;
    background: #f7fbff;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    box-sizing: border-box;
}
.pwt-roman-numeral-converter .pwt-input:focus {
    border-color: #3a7bc2;
    box-shadow: 0 0 0 2px rgba(58,123,194,0.12);
    background: #fff;
}

/* 大数转换开关 */
.pwt-roman-numeral-converter .pwt-switch-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 2px;
}
.pwt-roman-numeral-converter .pwt-switch-label {
    display: flex;
    align-items: center;
    font-size: 0.98rem;
    color: #6a7a8c;
    font-weight: 400;
    margin-right: 0;
}
.pwt-roman-numeral-converter .pwt-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}
.pwt-roman-numeral-converter .pwt-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.pwt-roman-numeral-converter .pwt-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #dbe7f6;
    transition: .3s;
    border-radius: 22px;
}
.pwt-roman-numeral-converter .pwt-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: #fff;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(58,123,194,0.08);
}
.pwt-roman-numeral-converter .pwt-switch input:checked + .pwt-slider {
    background-color: #3a7bc2;
}
.pwt-roman-numeral-converter .pwt-switch input:checked + .pwt-slider:before {
    transform: translateX(22px);
}

/* 工具提示 */
.pwt-roman-numeral-converter .pwt-tooltip {
    position: relative;
    display: inline-block;
    margin-left: 6px;
}
.pwt-roman-numeral-converter .pwt-tooltip-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    background-color: #3a7bc2;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    cursor: help;
    font-weight: bold;
    box-shadow: 0 1px 2px rgba(58,123,194,0.10);
}
.pwt-roman-numeral-converter .pwt-tooltip-text {
    visibility: hidden;
    width: 220px;
    background-color: #3a7bc2;
    color: #fff;
    text-align: center;
    border-radius: 7px;
    padding: 7px 10px;
    position: absolute;
    z-index: 1;
    bottom: 130%;
    left: 50%;
    margin-left: -110px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.98rem;
    box-shadow: 0 2px 8px rgba(58,123,194,0.10);
}
.pwt-roman-numeral-converter .pwt-tooltip:hover .pwt-tooltip-text,
.pwt-roman-numeral-converter .pwt-tooltip-text.pwt-mobile-visible {
    visibility: visible;
    opacity: 1;
}

/* 结果区域 */
.pwt-roman-numeral-converter .pwt-result-container {
    margin-top: 22px;
    position: relative;
}
.pwt-roman-numeral-converter #pwt-result-display {
    padding: 15px 12px;
    background-color: #f7fbff;
    border: 1.5px solid #dbe7f6;
    border-radius: 8px;
    min-height: 28px;
    word-wrap: break-word;
    font-size: 1.18rem;
    color: #2d3a4a;
    line-height: 1.7;
    letter-spacing: 0.2px;
    transition: border-color 0.2s, background 0.2s;
}
.pwt-roman-numeral-converter #pwt-result-display.pwt-has-result {
    background-color: #eaf4fd;
    border-color: #3a7bc2;
}
.pwt-roman-numeral-converter #pwt-result-display.pwt-has-error {
    background-color: #fff0f0;
    border-color: #f9c0c0;
    color: #d32f2f;
}

/* 复制按钮 */
.pwt-roman-numeral-converter .pwt-copy-button {
    margin-top: 14px;
    background-color: #3a7bc2;
    color: white;
    border: none;
    padding: 10px 22px;
    border-radius: 7px;
    cursor: pointer;
    display: flex;
    align-items: center;
    font-size: 1.08rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(58,123,194,0.08);
    transition: background 0.2s, box-shadow 0.2s;
}
.pwt-roman-numeral-converter .pwt-copy-button:hover {
    background-color: #2d5e8c;
    box-shadow: 0 4px 16px rgba(58,123,194,0.13);
}
.pwt-roman-numeral-converter .pwt-copy-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 7px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

/* 复制通知 */
.pwt-roman-numeral-converter .pwt-copy-notification {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #3a7bc2;
    color: white;
    padding: 12px 22px;
    border-radius: 7px;
    z-index: 100;
    font-size: 1.08rem;
    box-shadow: 0 2px 8px rgba(58,123,194,0.13);
}

/* 历史记录区样式 */
.pwt-roman-numeral-converter .pwt-history-container {
    margin-top: 32px;
    background: #f7fbff;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(58,123,194,0.06);
    padding: 18px 12px 10px 12px;
}
.pwt-roman-numeral-converter .pwt-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.pwt-roman-numeral-converter .pwt-history-title {
    font-size: 1.08rem;
    font-weight: 600;
    color: #3a7bc2;
}
.pwt-roman-numeral-converter .pwt-history-clear {
    background: #fff;
    color: #3a7bc2;
    border: 1.5px solid #3a7bc2;
    border-radius: 6px;
    font-size: 0.98rem;
    padding: 4px 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    box-shadow: none;
    width: 30%;
}
.pwt-roman-numeral-converter .pwt-history-clear:hover {
    background: #3a7bc2;
    color: #fff;
}
.pwt-roman-numeral-converter .pwt-history-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 320px;
    overflow-y: auto;
}
.pwt-roman-numeral-converter .pwt-history-empty {
    color: #b0b8c9;
    text-align: center;
    padding: 18px 0 10px 0;
    font-size: 1rem;
}
.pwt-roman-numeral-converter .pwt-history-item {
    background: #fff;
    border-radius: 7px;
    margin-bottom: 10px;
    padding: 10px 12px 8px 12px;
    box-shadow: 0 1px 3px rgba(58,123,194,0.06);
    font-size: 0.98rem;
    color: #2d3a4a;
    line-height: 1.6;
    word-break: break-all;
}
.pwt-roman-numeral-converter .pwt-hist-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}
.pwt-roman-numeral-converter .pwt-hist-dir {
    color: #3a7bc2;
    font-weight: 500;
    font-size: 0.97rem;
}
.pwt-roman-numeral-converter .pwt-hist-time {
    color: #b0b8c9;
    font-size: 0.93rem;
}
.pwt-roman-numeral-converter .pwt-hist-in {
    color: #6a7a8c;
    font-size: 0.97rem;
    margin-bottom: 2px;
}
.pwt-roman-numeral-converter .pwt-hist-arrow {
    display: inline-block;
    margin: 0 6px;
    color: #3a7bc2;
    font-weight: bold;
}
.pwt-roman-numeral-converter .pwt-hist-out {
    color: #2d3a4a;
    font-size: 1.05rem;
    font-weight: 500;
}
@media (max-width: 600px) {
    .pwt-roman-numeral-converter .pwt-history-container {
        padding: 10px 2vw 6px 2vw;
        border-radius: 7px;
    }
    .pwt-roman-numeral-converter .pwt-history-item {
        padding: 7px 4vw 6px 4vw;
        font-size: 0.95rem;
    }
    .pwt-roman-numeral-converter .pwt-history-title {
        font-size: 1rem;
    }
}

/* 响应式布局 */
@media (max-width: 600px) {
    .pwt-roman-numeral-converter {
        max-width: 98vw;
        padding: 12px 4vw 18px 4vw;
        border-radius: 10px;
    }
    .pwt-roman-numeral-converter .pwt-tool-title {
        font-size: 1.18rem;
    }
    .pwt-roman-numeral-converter .pwt-input {
        font-size: 1rem;
        padding: 9px 8px;
    }
    .pwt-roman-numeral-converter #pwt-result-display {
        font-size: 1rem;
        padding: 10px 6px;
    }
    .pwt-roman-numeral-converter .pwt-copy-button {
        font-size: 1rem;
        padding: 8px 12px;
    }
    .pwt-roman-numeral-converter .pwt-tooltip-text {
        width: 90vw;
        margin-left: -45vw;
        font-size: 0.95rem;
        padding: 7px 4vw;
    }
}