/* ==========================================================================
   yst 工具页通用样式 (yst-tp-* 前缀)
   引入: <link rel="stylesheet" href="/assets/yst-tool-page.css?v=20260427">
   适用: 所有工具页面 (paired with yst-theme.css + yst-tool-shell.css)
   ========================================================================== */

/* -------- 页面标题 -------- */
.yst-tp-header { margin-bottom: 16px; }
.yst-tp-title {
    font: 700 28px/1.2 var(--yst-font);
    color: var(--yst-text);
    margin: 0 0 8px;
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-desc {
    font-size: 14px;
    color: var(--yst-text-2);
    margin: 0 0 14px;
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.yst-tp-tag {
    display: inline-flex; align-items: center;
    height: 22px; padding: 0 9px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 5px;
    color: var(--yst-text-muted);
    font: 600 11px/1 var(--yst-font-mono, "SF Mono", monospace);
    letter-spacing: 0.5px;
    text-transform: lowercase;
}

/* -------- 工具栏卡 -------- */
.yst-tp-toolbar-card { padding: 12px 16px; margin-bottom: 14px; }
.yst-tp-toolbar-row {
    display: flex; flex-wrap: wrap;
    align-items: center; gap: 14px;
    justify-content: space-between;
}
.yst-tp-options {
    display: flex; flex-wrap: wrap;
    align-items: center; gap: 12px;
}
.yst-tp-actions {
    display: flex; flex-wrap: wrap;
    align-items: center; gap: 8px;
}
.yst-tp-actions-divider {
    width: 1px; height: 22px;
    background: var(--yst-border);
    margin: 0 4px;
}

/* 选项 */
.yst-tp-checkbox {
    display: inline-flex; align-items: center; gap: 6px;
    cursor: pointer;
    font: 500 13px var(--yst-font);
    color: var(--yst-text-2);
    user-select: none;
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-checkbox input {
    margin: 0;
    accent-color: var(--yst-brand);
    cursor: pointer;
}
.yst-tp-select-label {
    display: inline-flex; align-items: center; gap: 6px;
    font: 500 13px var(--yst-font);
    color: var(--yst-text-2);
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-select {
    height: 30px; padding: 0 8px;
    background: #fff;
    border: 1px solid var(--yst-border-strong);
    border-radius: 5px;
    font: 500 13px var(--yst-font);
    color: var(--yst-text);
    cursor: pointer;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.yst-tp-select:hover, .yst-tp-select:focus { border-color: var(--yst-brand); }
.yst-tp-select:focus { box-shadow: 0 0 0 3px rgba(0, 158, 148, 0.12); }

.yst-tp-btn-danger {
    color: var(--yst-danger, #dc2626) !important;
    border-color: rgba(220, 38, 38, 0.3) !important;
}
.yst-tp-btn-danger:hover {
    background: rgba(220, 38, 38, 0.08) !important;
    color: var(--yst-danger, #dc2626) !important;
    border-color: var(--yst-danger, #dc2626) !important;
}

/* -------- 左右两栏 -------- */
.yst-tp-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
@media (max-width: 1023px) {
    .yst-tp-split { grid-template-columns: 1fr; }
}

.yst-tp-card { padding: 18px 20px; margin-bottom: 14px; }
.yst-tp-pane { display: flex; flex-direction: column; margin-bottom: 0; }

.yst-tp-section-header {
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 10px;
    margin-bottom: 12px; padding-bottom: 10px;
    border-bottom: 1px dashed var(--yst-border);
}
.yst-tp-section-label {
    font: 700 14px var(--yst-font);
    color: var(--yst-text);
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-section-desc {
    font-size: 12px;
    color: var(--yst-text-muted);
    letter-spacing: var(--yst-letter-spacing);
}

/* 统计 pill */
.yst-tp-stat-pill {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 9px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 999px;
    font: 500 11px/1.4 var(--yst-font);
    color: var(--yst-text-2);
}
.yst-tp-stat-pill strong {
    color: var(--yst-brand);
    font-weight: 700;
    font-family: var(--yst-font-mono, monospace);
}
.yst-tp-stat-pill.success {
    background: rgba(0, 158, 148, 0.08);
    border-color: rgba(0, 158, 148, 0.2);
    color: var(--yst-brand);
    font-weight: 600;
}

/* -------- 编辑器 -------- */
.yst-tp-editor {
    width: 100%;
    min-height: 380px;
    max-height: 70vh;
    padding: 12px 14px;
    background: #fafafa;
    border: 1.5px solid var(--yst-border);
    border-radius: 8px;
    color: var(--yst-text);
    font: 13px/1.6 var(--yst-font-mono, "SF Mono", monospace);
    resize: vertical;
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
    tab-size: 2;
}
.yst-tp-editor:focus {
    background: #fff;
    border-color: var(--yst-brand);
    box-shadow: 0 0 0 3px rgba(0, 158, 148, 0.12);
}
.yst-tp-editor::placeholder {
    color: var(--yst-text-light);
    font-style: italic;
}
.yst-tp-editor[readonly] { background: #f8f8f8; }

/* 单输入框 (大输入) */
.yst-tp-input {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    background: #fafafa;
    border: 1.5px solid var(--yst-border);
    border-radius: 8px;
    color: var(--yst-text);
    font: 14px var(--yst-font);
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.yst-tp-input:focus {
    background: #fff;
    border-color: var(--yst-brand);
    box-shadow: 0 0 0 3px rgba(0, 158, 148, 0.12);
}
.yst-tp-input::placeholder {
    color: var(--yst-text-light);
    font-style: italic;
}

/* -------- 信息卡 (使用说明 / FAQ) -------- */
.yst-tp-info { padding: 18px 22px; margin-bottom: 14px; }
.yst-tp-feature h3 {
    font: 700 14px/1.4 var(--yst-font);
    color: var(--yst-text);
    margin: 0 0 6px;
    position: relative;
    padding-left: 12px;
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-feature h3::before {
    content: "";
    position: absolute;
    left: 0; top: 5px; bottom: 5px;
    width: 3px;
    background: var(--yst-brand);
    border-radius: 0 2px 2px 0;
}
.yst-tp-feature p {
    font: 13px/1.6 var(--yst-font);
    color: var(--yst-text-2);
    margin: 0;
    letter-spacing: var(--yst-letter-spacing);
}
.yst-tp-info code {
    padding: 1px 6px;
    background: var(--yst-bg-subtle);
    border: 1px solid var(--yst-border);
    border-radius: 3px;
    font: 12px var(--yst-font-mono, monospace);
    color: var(--yst-brand);
}
.yst-tp-info h3 {
    font: 700 14px var(--yst-font);
    color: var(--yst-text);
    margin: 12px 0 6px;
}
.yst-tp-info h3:first-of-type,
.yst-tp-info > h2 + h3 { margin-top: 0; }
.yst-tp-info p {
    font: 13px/1.7 var(--yst-font);
    color: var(--yst-text-2);
    margin: 0 0 10px;
    letter-spacing: var(--yst-letter-spacing);
}

/* -------- Toast -------- */
.yst-tp-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--yst-brand);
    color: #fff;
    font: 600 13px var(--yst-font);
    letter-spacing: var(--yst-letter-spacing);
    box-shadow: 0 8px 20px rgba(0, 158, 148, 0.32);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
}
.yst-tp-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.yst-tp-toast.error {
    background: var(--yst-danger, #dc2626);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.32);
}
.yst-tp-toast.warning {
    background: #f59e0b;
}

/* -------- 按钮组 (例如: copy/clear pair) -------- */
.yst-tp-mini-btn {
    height: 26px;
    padding: 0 10px;
    font-size: 11px;
}

/* -------- 移动端 -------- */
@media (max-width: 768px) {
    .yst-tp-title { font-size: 22px; }
    .yst-tp-card, .yst-tp-info, .yst-tp-toolbar-card { padding: 14px; }
    .yst-tp-editor { min-height: 280px; font-size: 12px; }
    .yst-tp-toolbar-row { flex-direction: column; align-items: stretch; }
}