/* ===== 基础按钮（全局 style.css 未定义，官网首页内联样式同款） ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition, all 0.4s cubic-bezier(0.4, 0, 0.2, 1));
    cursor: pointer;
    border: none;
    font-family: inherit;
    line-height: 1.5;
}
.btn-primary {
    background: var(--primary-gradient, linear-gradient(135deg, #1a6eff 0%, #0d4fc4 100%));
    color: white;
    box-shadow: 0 8px 24px rgba(26, 110, 255, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(26, 110, 255, 0.45);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
    background: white;
    color: var(--text, #1a1a2e);
    border: 1.5px solid var(--border, #e8ecf4);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.btn-secondary:hover {
    border-color: var(--primary, #1a6eff);
    color: var(--primary, #1a6eff);
    transform: translateY(-2px);
}
.btn-secondary:active { transform: translateY(0); }
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}
@media (max-width: 768px) {
    .btn { padding: 12px 20px; font-size: 14px; border-radius: 10px; }
}

/* ===== 图片裁剪旋转 · 裁剪框覆盖层样式（tool.css） ===== */

.crop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 5;
}

/* 遮罩（暗区） */
.crop-mask {
    position: absolute;
    background: rgba(10, 15, 30, 0.55);
    transition: none;
}
.crop-mask-top    { top: 0; left: 0; right: 0; }
.crop-mask-bottom { bottom: 0; left: 0; right: 0; }
.crop-mask-left   { left: 0; }
.crop-mask-right  { right: 0; }

/* 裁剪框 */
.crop-frame {
    position: absolute;
    border: 2px solid #ffffff;
    outline: 1px solid rgba(26, 110, 255, 0.8);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15) inset;
    cursor: move;
    pointer-events: auto;
    touch-action: none;
}
.crop-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    cursor: move;
}

/* 三分构图线 */
.crop-grid {
    position: absolute;
    background: rgba(255, 255, 255, 0.35);
    pointer-events: none;
}
.crop-grid-h1 { left: 0; right: 0; top: 33.333%; height: 1px; }
.crop-grid-h2 { left: 0; right: 0; top: 66.666%; height: 1px; }
.crop-grid-v1 { top: 0; bottom: 0; left: 33.333%; width: 1px; }
.crop-grid-v2 { top: 0; bottom: 0; left: 66.666%; width: 1px; }

/* 八向手柄 */
.handle {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #ffffff;
    border: 2px solid var(--primary, #1a6eff);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    z-index: 10;
    touch-action: none;
    transition: transform 0.15s ease;
}
.handle:hover {
    transform: scale(1.25);
    background: var(--primary, #1a6eff);
}
.handle-nw { top: -9px;    left: -9px;    cursor: nwse-resize; }
.handle-n  { top: -9px;    left: 50%;     margin-left: -8px; cursor: ns-resize; }
.handle-ne { top: -9px;    right: -9px;   cursor: nesw-resize; }
.handle-e  { top: 50%;     right: -9px;   margin-top: -8px;  cursor: ew-resize; }
.handle-se { bottom: -9px; right: -9px;   cursor: nwse-resize; }
.handle-s  { bottom: -9px; left: 50%;     margin-left: -8px; cursor: ns-resize; }
.handle-sw { bottom: -9px; left: -9px;    cursor: nesw-resize; }
.handle-w  { top: 50%;     left: -9px;    margin-top: -8px;  cursor: ew-resize; }

/* 移动端手柄放大，便于触控 */
@media (max-width: 768px) {
    .handle {
        width: 22px;
        height: 22px;
    }
    .handle-nw { top: -12px;    left: -12px; }
    .handle-n  { top: -12px;    margin-left: -11px; }
    .handle-ne { top: -12px;    right: -12px; }
    .handle-e  { right: -12px;  margin-top: -11px; }
    .handle-se { bottom: -12px; right: -12px; }
    .handle-s  { bottom: -12px; margin-left: -11px; }
    .handle-sw { bottom: -12px; left: -12px; }
    .handle-w  { left: -12px;   margin-top: -11px; }
}

/* ============================================================
   工具页面级样式（原独立 style.css 已合并于此；全局样式统一引用 ../../style.css）
   ============================================================ */
/* ===== 图片裁剪旋转工具 · 页面级样式（仅补充官网 style.css 未覆盖部分） ===== */

.page-header {
    padding: 140px 0 48px;
}

.tool-main {
    padding: 0 0 80px;
    background: var(--bg-warm);
    min-height: 60vh;
}

.tool-container {
    max-width: 1280px;
}

/* ===== 上传区 ===== */
.upload-zone {
    background: white;
    border: 2px dashed rgba(26, 110, 255, 0.3);
    border-radius: var(--radius);
    padding: 80px 24px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}
.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: var(--shadow-hover);
}
.upload-icon {
    width: 72px;
    height: 72px;
    color: var(--primary);
    opacity: 0.6;
    margin-bottom: 20px;
}
.upload-zone h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}
.upload-zone p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.upload-zone .upload-note {
    font-size: 13px;
    color: var(--primary);
    background: var(--primary-light);
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    margin: 8px 0 24px;
}

/* ===== 工作台布局 ===== */
.workbench {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    align-items: start;
}

/* ===== 控制面板 ===== */
.tool-panel {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 104px);
    overflow-y: auto;
}
.tool-panel::-webkit-scrollbar { width: 6px; }
.tool-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.panel-group {
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
}
.panel-group:last-child { border-bottom: none; padding-bottom: 0; }

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
}
.panel-title svg { color: var(--primary); flex-shrink: 0; }

/* 比例按钮 */
.ratio-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 10px;
}
.ratio-btn {
    padding: 8px 0;
    border: 1.5px solid var(--border);
    background: white;
    border-radius: 8px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.ratio-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.ratio-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 12px rgba(26, 110, 255, 0.3);
}

.preset-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.preset-label {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}
.preset-btn {
    padding: 5px 10px;
    border: 1px solid var(--border);
    background: var(--bg-warm);
    border-radius: 6px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.preset-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.size-inputs {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}
.size-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.size-field label {
    font-size: 11px;
    color: var(--text-light);
}
.size-field input {
    width: 100%;
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    outline: none;
    transition: var(--transition);
}
.size-field input:focus { border-color: var(--primary); }
.size-x {
    padding-bottom: 8px;
    color: var(--text-light);
    font-size: 13px;
}
.apply-size-btn {
    padding: 8px 14px;
    border: none;
    background: var(--primary-gradient);
    color: white;
    border-radius: 8px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.apply-size-btn:hover { box-shadow: 0 4px 12px rgba(26, 110, 255, 0.3); }

/* 旋转翻转 */
.transform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}
.transform-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 6px;
    border: 1.5px solid var(--border);
    background: white;
    border-radius: 8px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.transform-btn svg { width: 16px; height: 16px; }
.transform-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.transform-btn:active { transform: scale(0.96); }

.angle-slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.angle-slider-row label {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}
.angle-slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}
.angle-val {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    min-width: 44px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* 缩放 */
.zoom-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.zoom-btn {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--border);
    background: white;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    line-height: 1;
}
.zoom-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.zoom-row input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}
.zoom-val {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    min-width: 44px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.fit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 9px;
    border: 1.5px solid var(--border);
    background: var(--bg-warm);
    border-radius: 8px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.fit-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* 导出设置 */
.export-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.export-row > label {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 56px;
}
.export-row select {
    flex: 1;
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    background: white;
    outline: none;
    cursor: pointer;
}
.export-row select:focus { border-color: var(--primary); }
.export-row input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}
.export-row span {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    min-width: 40px;
    text-align: right;
}
.export-size {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    flex-wrap: wrap;
}
.export-size input[type="number"] {
    width: 76px;
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    outline: none;
}
.export-size input[type="number"]:focus { border-color: var(--primary); }
.export-size > span { color: var(--text-light); min-width: auto; }
.lock-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}
.lock-label input { accent-color: var(--primary); }

.export-btns {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.export-main-btn {
    justify-content: center;
    width: 100%;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.export-btns .btn-secondary {
    justify-content: center;
    width: 100%;
}

/* 提示 */
.tips-list {
    list-style: none;
}
.tips-list li {
    font-size: 12px;
    color: var(--text-light);
    padding: 3px 0 3px 14px;
    position: relative;
    line-height: 1.6;
}
.tips-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
}

/* ===== 画布区 ===== */
.canvas-area {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.canvas-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-warm);
    flex-wrap: wrap;
}
.img-info,
.crop-info {
    font-size: 12px;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}
.crop-info {
    font-weight: 600;
    color: var(--primary);
}

.canvas-stage {
    position: relative;
    height: calc(100vh - 220px);
    min-height: 420px;
    overflow: hidden;
    background:
        repeating-conic-gradient(#e8ecf4 0% 25%, #ffffff 0% 50%) 0 0 / 24px 24px;
    touch-action: none;
    cursor: grab;
}
.canvas-stage:active { cursor: grabbing; }

.stage-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: center center;
    user-select: none;
    -webkit-user-select: none;
}
#sourceImg {
    display: block;
    max-width: none;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%) translateY(20px);
    background: var(--text);
    color: white;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    pointer-events: none;
    max-width: calc(100vw - 48px);
    text-align: center;
}
.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== 响应式：平板 ===== */
@media (max-width: 1024px) {
    .workbench {
        grid-template-columns: 280px 1fr;
    }
}

/* ===== 响应式：手机 ===== */
@media (max-width: 768px) {
    .page-header {
        padding: 110px 0 32px;
    }
    .page-header h1 {
        font-size: 24px;
    }
    .page-header p {
        font-size: 13px;
        padding: 0 8px;
    }
    .upload-zone {
        padding: 48px 16px;
    }
    .workbench {
        grid-template-columns: 1fr;
    }
    .canvas-area {
        order: -1;
    }
    .canvas-stage {
        height: 56vh;
        min-height: 320px;
    }
    .tool-panel {
        position: static;
        max-height: none;
        overflow: visible;
    }
    .ratio-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }
    .ratio-btn {
        font-size: 11px;
        padding: 8px 0;
    }
    .canvas-toolbar {
        padding: 10px 12px;
    }
    .export-size input[type="number"] {
        width: 64px;
    }
    .tool-main {
        padding-bottom: 48px;
    }
}

@media (max-width: 480px) {
    .ratio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .transform-grid {
        grid-template-columns: 1fr 1fr;
    }
    .canvas-stage {
        height: 50vh;
        min-height: 280px;
    }
}

/* ===== 移动端导航与页脚适配（照抄官网 drill.html 内联规则） ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        background: white;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        gap: 4px;
        border-bottom: 1px solid var(--border);
        z-index: 999;
    }
    .nav-links.active { display: flex; }
    .mobile-toggle { display: flex; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}