/* ===================================================
   手机号码格式化工具 - 样式文件
   =================================================== */

/* ---------- 整体容器 ---------- */
.mnf-container {
    max-width: 720px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* ---------- 通用 section 标签 ---------- */
.mnf-section-label {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    letter-spacing: 0.03em;
    user-select: none;
}

/* ---------- 格式选择区 ---------- */
.mnf-format-section {
    margin-bottom: 14px;
}

.mnf-format-section .mnf-section-label {
    display: block;
    margin-bottom: 8px;
}

.mnf-format-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mnf-fmt-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 14px;
    border: 2px solid #dde3ec;
    border-radius: 10px;
    background: #f7f9fb;
    cursor: pointer;
    position: relative;
    transition: border-color 0.18s, background 0.18s, box-shadow 0.18s, transform 0.1s;
    min-width: 110px;
    text-align: center;
    user-select: none;
}

.mnf-fmt-btn:hover {
    background: #eef3ff;
    border-color: #4f8ef7;
    box-shadow: 0 2px 8px rgba(79, 142, 247, 0.12);
    transform: translateY(-1px);
}

.mnf-fmt-btn.active {
    background: linear-gradient(135deg, #eef3ff, #e0eaff);
    border-color: #4f8ef7;
    box-shadow: 0 2px 10px rgba(79, 142, 247, 0.2);
}

.mnf-fmt-btn.active::after {
    content: '\2713';
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 10px;
    color: #4f8ef7;
    font-weight: 700;
    line-height: 1;
}

.mnf-fmt-btn:active {
    transform: scale(0.97);
}

.mnf-fmt-preview {
    font-size: 13px;
    font-weight: 700;
    color: #2a5ef7;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.mnf-fmt-name {
    font-size: 11px;
    color: #888;
}

.mnf-fmt-btn.active .mnf-fmt-name {
    color: #4f8ef7;
    font-weight: 600;
}

/* ---------- 输入区 ---------- */
.mnf-input-section {
    margin-bottom: 10px;
}

.mnf-input-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.mnf-input-hint {
    font-size: 11px;
    color: #aaa;
    flex: 1;
}

.mnf-clear-btn {
    padding: 3px 10px;
    border: 1px solid #e0e5ec;
    border-radius: 12px;
    background: #f5f7fb;
    color: #999;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.mnf-clear-btn:hover {
    background: #fff0f0;
    color: #e55;
    border-color: #f5b8b8;
}

.mnf-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #dde3ec;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Courier New', Courier, monospace;
    color: #333;
    background: #fff;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    line-height: 1.6;
}

.mnf-textarea:focus {
    border-color: #4f8ef7;
    box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.12);
}

.mnf-textarea::placeholder {
    color: #ccc;
    font-family: inherit;
}

/* ---------- 操作行 ---------- */
.mnf-action-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.mnf-submit-btn {
    padding: 9px 28px;
    background: linear-gradient(135deg, #4f8ef7, #3a72d8);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.18s, transform 0.12s, box-shadow 0.18s;
    box-shadow: 0 2px 8px rgba(79, 142, 247, 0.28);
    white-space: nowrap;
}

.mnf-submit-btn:hover {
    opacity: 0.9;
    transform: scale(1.02) translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 142, 247, 0.35);
}

.mnf-submit-btn:active {
    transform: scale(0.97);
}

.mnf-submit-btn.loading {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

/* 实时预览开关 */
.mnf-realtime-label {
    display: flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    user-select: none;
}

.mnf-realtime-check {
    display: none;
}

.mnf-realtime-slider {
    position: relative;
    width: 34px;
    height: 18px;
    background: #dde3ec;
    border-radius: 9px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.mnf-realtime-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.mnf-realtime-check:checked + .mnf-realtime-slider {
    background: #4f8ef7;
}

.mnf-realtime-check:checked + .mnf-realtime-slider::after {
    transform: translateX(16px);
}

.mnf-realtime-text {
    font-size: 13px;
    color: #666;
}

/* ---------- 操作按钮快捷键提示 ---------- */
.mnf-shortcut-key {
    display: inline-block;
    font-size: 0.8em;
    color: #bbb;
    opacity: 0.7;
    white-space: nowrap;
    transition: opacity 0.15s, transform 0.15s;
    user-select: none;
}

.mnf-shortcut-key:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ---------- 可点击复制的格式化号码 ---------- */
.mnf-copyable {
    cursor: pointer;
    transition: color 0.15s;
}

.mnf-copyable:hover {
    color: #1a4fd8;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* 复制成功闪烁反馈 */
@keyframes mnfCopiedFlash {
    0%   { background: #c8e4ff; }
    60%  { background: #c8e4ff; }
    100% { background: transparent; }
}

.mnf-item.mnf-copied {
    animation: mnfCopiedFlash 0.65s ease;
}

/* ---------- 快捷键提示 ---------- */
.mnf-shortcut-tip {
    font-size: 11px;
    color: #c0c8d8;
    margin-bottom: 10px;
    user-select: none;
    letter-spacing: 0.01em;
}

/* ---------- 快速示例 ---------- */
.mnf-samples-section {
    padding-top: 10px;
    border-top: 1px solid #eef0f5;
    margin-bottom: 12px;
}

.mnf-samples-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 7px;
}

.mnf-samples-hint {
    font-size: 11px;
    color: #bbb;
}

.mnf-sample-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.mnf-sample-btn {
    padding: 5px 12px;
    border: 1px solid #dde3ec;
    border-radius: 14px;
    background: #f7f9fb;
    color: #555;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
    white-space: nowrap;
}

.mnf-sample-btn:hover {
    background: #eef3ff;
    border-color: #4f8ef7;
    color: #4f8ef7;
    transform: translateY(-1px);
}

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

/* ---------- 剪贴板辅助元素（备用复制） ---------- */
.mnf-clipboard-helper {
    position: fixed;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* 空徽章自动隐藏 */
.mnf-stat-badge:empty {
    display: none;
}

/* ---------- 结果区 ---------- */
@keyframes mnfFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mnf-result {
    display: none;
}

.mnf-result.visible {
    display: block;
    animation: mnfFadeIn 0.22s ease;
}

.mnf-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 6px;
}

.mnf-result-title {
    font-size: 13px;
    font-weight: 600;
    color: #555;
}

.mnf-result-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mnf-stat-badge {
    font-size: 12px;
    color: #888;
    background: #f0f4fb;
    border: 1px solid #dde6ff;
    border-radius: 10px;
    padding: 2px 10px;
}

.mnf-copy-all-btn {
    padding: 5px 14px;
    border: 1px solid #dde3ec;
    border-radius: 16px;
    background: #f7f9fb;
    color: #555;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
    white-space: nowrap;
}

.mnf-copy-all-btn:hover {
    background: #eef3ff;
    border-color: #4f8ef7;
    color: #4f8ef7;
    transform: scale(1.02);
}

.mnf-copy-all-btn:active {
    transform: scale(0.96);
}

/* 结果列表 */
.mnf-result-list {
    border: 1px solid #e8edf5;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 14px rgba(79, 142, 247, 0.07);
}

.mnf-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid #f0f4fb;
    gap: 10px;
    transition: background 0.12s;
    position: relative;
}

/* 有效号码左侧蓝色条纹 */
.mnf-item:not(.mnf-item-invalid) {
    box-shadow: inset 3px 0 0 rgba(79, 142, 247, 0.45);
}

.mnf-item:last-child {
    border-bottom: none;
}

.mnf-item:hover {
    background: #f8faff;
}

.mnf-item-invalid {
    background: #fffbf8;
    box-shadow: inset 3px 0 0 rgba(220, 100, 100, 0.3);
}

.mnf-item-invalid:hover {
    background: #fff5ee;
}

.mnf-item-body {
    display: flex;
    align-items: center;
    gap: 7px;
    flex: 1;
    min-width: 0;
    flex-wrap: wrap;
}

.mnf-item-original {
    font-size: 12px;
    color: #aaa;
    font-family: 'Courier New', Courier, monospace;
}

.mnf-item-arrow {
    font-size: 12px;
    color: #ccc;
}

.mnf-item-formatted {
    font-size: 15px;
    font-weight: 700;
    color: #2a5ef7;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.05em;
    word-break: break-all;
}

.mnf-item-invalid .mnf-item-formatted {
    color: #aaa;
    font-weight: 400;
}

.mnf-invalid-tag {
    font-size: 11px;
    color: #e88;
    background: #fff0f0;
    border: 1px solid #f5c5c5;
    border-radius: 8px;
    padding: 1px 7px;
}

.mnf-copy-one-btn {
    flex-shrink: 0;
    padding: 4px 12px;
    border: 1px solid #dde3ec;
    border-radius: 12px;
    background: #f7f9fb;
    color: #666;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
}

.mnf-copy-one-btn:hover {
    background: #eef3ff;
    border-color: #4f8ef7;
    color: #4f8ef7;
    transform: scale(1.04);
}

.mnf-copy-one-btn:active {
    transform: scale(0.95);
}

/* ---------- 错误提示栏 ---------- */
.mnf-error-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 10px 14px;
    background: #fff8f0;
    border: 1px solid #fdd8aa;
    border-radius: 8px;
    font-size: 13px;
    color: #c75;
    animation: mnfFadeIn 0.2s ease;
}

.mnf-error-icon {
    flex-shrink: 0;
    font-size: 15px;
}

/* ---------- Toast 通知 ---------- */
@keyframes mnfToastIn {
    from { opacity: 0; transform: translateY(12px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes mnfToastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(8px) scale(0.95); }
}

.mnf-toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    padding: 9px 22px;
    background: rgba(40, 56, 90, 0.92);
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    z-index: 9999;
    cursor: pointer;
    display: none;
    white-space: nowrap;
}

.mnf-toast.show {
    display: block;
    animation: mnfToastIn 0.2s ease forwards;
}

.mnf-toast.hide {
    animation: mnfToastOut 0.2s ease forwards;
}

/* ---------- 响应式适配 ---------- */
@media (max-width: 768px) {
    .mnf-container {
        max-width: 100%;
    }

    .mnf-fmt-btn {
        min-width: 95px;
        padding: 7px 12px;
    }
}

@media (max-width: 640px) {
    .mnf-format-grid {
        gap: 6px;
    }

    .mnf-fmt-btn {
        min-width: 90px;
        padding: 7px 10px;
    }

    .mnf-fmt-preview {
        font-size: 12px;
    }

    .mnf-item-formatted {
        font-size: 14px;
    }

    .mnf-shortcut-tip {
        display: none;
    }

    .mnf-sample-grid {
        gap: 5px;
    }

    .mnf-sample-btn {
        padding: 4px 10px;
        font-size: 11px;
    }

    .mnf-action-row {
        gap: 8px;
    }

    /* 强制单列垂直堆叠 */
    .mnf-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .mnf-copy-one-btn {
        align-self: flex-end;
        margin-top: 4px;
    }
}