/* ==========================================================
   英文字帖生成器（字母 / 单词 / 段落）- 共享专属样式
   三语共用一份；通用按钮、卡片、提示等沿用 /style.css
   ========================================================== */

/* 画布类工具需要更宽的排版空间 */
.tool-page .tool-container {
    max-width: 1200px;
}

.ew-layout {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    margin-top: 1rem;
}

/* ---------------- 左侧控制面板 ---------------- */

.ew-panel {
    position: sticky;
    top: calc(var(--header-height) + 12px);
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: calc(100vh - var(--header-height) - 28px);
    overflow-y: auto;
}

.ew-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* .ew-group 自身是 display:flex，作者样式会覆盖 [hidden] 的浏览器默认规则 */
.ew-panel [hidden] {
    display: none !important;
}

.ew-group-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: 0.02em;
}

.ew-group-title i {
    color: var(--primary-color);
}

.ew-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ew-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ---------------- 选项按钮（chips） ---------------- */

.ew-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.ew-chip {
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1;
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.ew-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.ew-chip.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

/* 字体按钮直接用对应字体渲染 */
#ewFont .ew-chip[data-value="qld"] { font-family: "Edu QLD Beginner", "Comic Sans MS", cursive; }
#ewFont .ew-chip[data-value="andika"] { font-family: "Andika", "Segoe UI", sans-serif; }
#ewFont .ew-chip[data-value="patrick"] { font-family: "Patrick Hand", "Comic Sans MS", cursive; }

/* ---------------- 字母选择网格 ---------------- */

.ew-letters {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.3rem;
}

.ew-letter-btn {
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-family: "Edu QLD Beginner", "Comic Sans MS", cursive;
    font-size: 0.9rem;
    line-height: 1;
    padding: 0.36rem 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
}

.ew-letter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.ew-letter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.ew-letter-tools,
.ew-preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.ew-preset-btn {
    border: 1px dashed var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.78rem;
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.ew-preset-btn:hover {
    border-color: var(--primary-color);
    border-style: solid;
    color: var(--primary-color);
    background: var(--primary-light);
}

/* ---------------- 表单控件 ---------------- */

.ew-select,
.ew-input {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.ew-select:focus,
.ew-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.ew-textarea {
    width: 100%;
    min-height: 110px;
    padding: 0.65rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.7;
    font-family: inherit;
    resize: vertical;
    transition: var(--transition-fast);
}

.ew-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.ew-range-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.6rem;
}

.ew-range-row input[type="range"] {
    width: 100%;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.ew-range-val {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 600;
    min-width: 3.6rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.ew-check-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.ew-check {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.ew-check input[type="checkbox"] {
    accent-color: var(--primary-color);
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

/* ---------------- 右侧预览 ---------------- */

.ew-preview {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-width: 0;
}

.ew-stage {
    background: #eef1f5;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    max-height: 78vh;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 260px;
}

.ew-canvas {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.14);
    border-radius: 2px;
}

.ew-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.ew-pager-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.ew-pager-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.ew-pager-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.ew-page-info {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    min-width: 6.5rem;
    text-align: center;
}

.ew-meta {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.ew-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}

.ew-actions .btn {
    flex: 1 1 150px;
}

/* ---------------- 提示气泡配色（.toast 在 style.css 中只有默认色） ---------------- */

.toast.success { background-color: var(--success-color); }
.toast.error { background-color: var(--danger-color); }

/* ---------------- 打印 ---------------- */

#ewPrintRoot {
    display: none;
}

@media print {
    body > *:not(#ewPrintRoot) {
        display: none !important;
    }

    #ewPrintRoot {
        display: block !important;
    }

    #ewPrintRoot canvas {
        display: block;
        page-break-after: always;
        break-after: page;
    }

    #ewPrintRoot canvas:last-child {
        page-break-after: auto;
        break-after: auto;
    }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1024px) {
    .tool-page .tool-container {
        max-width: 900px;
    }

    .ew-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .ew-panel {
        position: static;
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .ew-stage {
        padding: 0.6rem;
        min-height: 200px;
        max-height: 66vh;
    }

    .ew-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
    }

    .ew-actions .btn {
        flex: none;
        width: auto;
        min-width: 0;
        padding: 0.6rem 0.5rem;
        font-size: 0.88rem;
    }

    .ew-actions .btn:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 400px) {
    .ew-actions {
        grid-template-columns: minmax(0, 1fr);
    }

    .ew-actions .btn:first-child {
        grid-column: auto;
    }

    .ew-chip {
        font-size: 0.8rem;
        padding: 0.45rem 0.6rem;
    }

    .ew-letters {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}