* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root[data-theme="light"] {
            --bg-primary: #ffffff;
            --bg-secondary: #f8f9fa;
            --bg-tertiary: #e9ecef;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --border-color: #dee2e6;
            --accent-color: #0066cc;
            --shadow: rgba(0, 0, 0, 0.08);
            --canvas-bg: #f5f5f5;
            --guide-color: #d0d0d0;
        }

        :root[data-theme="dark"] {
            --bg-primary: #2a2a2a;
            --bg-secondary: #363636;
            --bg-tertiary: #424242;
            --text-primary: #ffffff;
            --text-secondary: #d0d0d0;
            --border-color: #4a4a4a;
            --accent-color: #5dadff;
            --shadow: rgba(0, 0, 0, 0.3);
            --canvas-bg: #1f1f1f;
            --guide-color: #606060;
        }

        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--canvas-bg);
            color: var(--text-primary);
            transition: background-color 0.3s;
        }

        .app {
            display: flex;
            flex-direction: column;
            height: 100vh;
        }

        .top-toolbar {
            height: 64px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 8px var(--shadow);
            flex-shrink: 0;
            z-index: 100;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .toolbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .toolbar-divider {
            width: 1px;
            height: 28px;
            background: var(--border-color);
            margin: 0 4px;
        }

        .toolbar-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            border-radius: 8px;
            font-size: 18px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s;
            background: transparent;
        }

        .toolbar-btn:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .main-content {
            display: flex;
            flex: 1;
            overflow: hidden;
            position: relative;
        }

        .sidebar {
            width: 72px;
            background: var(--bg-primary);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px var(--shadow);
            flex-shrink: 0;
            transition: all 0.3s;
            overflow: hidden;
            z-index: 90;
        }

        .sidebar.collapsed {
            width: 0;
            border-right: none;
        }

        .sidebar-fab {
            position: fixed;
            left: 12px;
            top: 64px;
            width: 48px;
            height: 48px;
            background: var(--accent-color);
            border-radius: 12px;
            display: none;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            box-shadow: 0 4px 16px var(--shadow);
            cursor: pointer;
            z-index: 100;
            transition: all 0.3s;
        }

        .sidebar-fab:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px var(--shadow);
        }

        .sidebar-fab:active {
            transform: scale(0.9);
        }

        .mobile-toolbar-popup {
            position: fixed;
            left: 12px;
            top: 70px;
            bottom: 70px;
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 8px;
            display: none;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 8px 24px var(--shadow);
            z-index: 99;
            border: 1px solid var(--border-color);
            transform-origin: top left;
            animation: popupIn 0.3s ease-out;
            overflow-y: auto;
        }

        .mobile-toolbar-popup.show {
            display: flex;
        }

        @keyframes popupIn {
            from {
                opacity: 0;
                transform: scale(0.8) translateY(-10px);
            }
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .mobile-tool-btn {
            width: 40px;
            height: 40px;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            font-size: 16px;
            cursor: pointer;
            transition: all 0.2s;
            border: none;
            flex-shrink: 0;
        }

        .mobile-tool-btn:active {
            transform: scale(0.9);
        }

        .mobile-tool-btn.active {
            background: var(--accent-color);
            color: white;
        }

        .mobile-tool-divider {
            height: 1px;
            background: var(--border-color);
            margin: 2px 0;
            flex-shrink: 0;
        }

        .sidebar-toggle {
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 28px;
            height: 64px;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-left: none;
            border-radius: 0 12px 12px 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all 0.2s;
            z-index: 85;
            box-shadow: 2px 0 8px var(--shadow);
        }

        .sidebar-toggle:hover {
            background: var(--accent-color);
            color: white;
            width: 32px;
        }

        .sidebar-toggle i {
            font-size: 14px;
            transition: transform 0.3s;
        }

        .sidebar.collapsed ~ .sidebar-toggle i {
            transform: rotate(180deg);
        }

        .sidebar-tools {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 12px 0;
            height: 100%;
            justify-content: space-evenly;
        }
        
        .tool-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .tool-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-secondary);
            cursor: pointer;
            border-radius: 8px;
            transition: all 0.2s;
            background: transparent;
            border: none;
            position: relative;
        }

        .tool-btn:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .tool-btn.active {
            background: var(--accent-color);
            color: #ffffff;
        }
        
        .tool-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Tooltip样式 - 显示在按钮上方 */
        .tool-btn[data-tooltip]::before {
            content: attr(data-tooltip);
            position: absolute;
            bottom: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.85);
            color: #ffffff;
            padding: 6px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 500;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.15s ease, visibility 0.15s ease;
            z-index: 9999;
        }

        /* Tooltip小箭头 */
        .tool-btn[data-tooltip]::after {
            content: '';
            position: absolute;
            bottom: calc(100% + 2px);
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 5px solid transparent;
            border-right: 5px solid transparent;
            border-top: 6px solid rgba(0, 0, 0, 0.85);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.15s ease, visibility 0.15s ease;
            z-index: 9999;
        }

        .tool-btn[data-tooltip]:hover::before,
        .tool-btn[data-tooltip]:hover::after {
            opacity: 1;
            visibility: visible;
        }
        
        /* 禁用状态不显示tooltip */
        .tool-btn[data-tooltip]:disabled::before,
        .tool-btn[data-tooltip]:disabled::after {
            display: none;
        }

        .divider {
            width: 32px;
            height: 1px;
            background: var(--border-color);
            margin: 4px 0;
        }

        .canvas-wrapper {
            flex: 1;
            display: flex;
            flex-direction: column;
            position: relative;
            min-width: 0;
        }

        .canvas-container {
            flex: 1;
            position: relative;
            overflow: hidden;
        }

        #canvas {
            position: absolute;
            top: 0;
            left: 0;
        }

        .zoom-floating {
            position: absolute;
            right: 20px;
            bottom: 80px;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 6px;
            display: flex;
            flex-direction: column;
            gap: 3px;
            box-shadow: 0 4px 16px var(--shadow);
            z-index: 50;
        }

        .zoom-floating .toolbar-btn {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }

        .zoom-text {
            font-size: 11px;
            color: var(--text-secondary);
            text-align: center;
            padding: 3px 0;
        }

        .guide-line {
            position: absolute;
            background: var(--guide-color);
            z-index: 1000;
            pointer-events: none;
            opacity: 0.8;
        }

        .guide-line.horizontal {
            height: 1px;
            left: 0;
            right: 0;
        }

        .guide-line.vertical {
            width: 1px;
            top: 0;
            bottom: 0;
        }

        .align-label, .rotation-label {
            position: absolute;
            background: rgba(128, 128, 128, 0.95);
            color: #ffffff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 500;
            z-index: 1001;
            pointer-events: none;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
        }

        .zoom-toast {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(128, 128, 128, 0.95);
            color: #ffffff;
            padding: 20px 30px;
            border-radius: 12px;
            font-size: 24px;
            font-weight: 500;
            z-index: 10000;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.2s;
        }

        .zoom-toast.show {
            opacity: 1;
        }

        .right-panel {
            width: 280px;
            background: var(--bg-primary);
            border-left: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            box-shadow: -2px 0 12px var(--shadow);
            flex-shrink: 0;
            overflow-y: auto;
            z-index: 90;
            /* 为底部广告位预留80px空间 */
            max-height: calc(100vh - 60px - 80px); /* 减去顶部工具栏和广告位高度 */
        }

        .panel-section {
            padding: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .panel-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        .drawer-trigger {
            width: 100%;
            padding: 10px 12px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 500;
        }

        .drawer-trigger:hover {
            border-color: var(--accent-color);
        }

        .drawer-trigger i.fa-chevron-down {
            transition: transform 0.3s;
        }

        .drawer-trigger.active i.fa-chevron-down {
            transform: rotate(180deg);
        }

        .drawer-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            will-change: max-height;
        }

        .drawer-content.show {
            max-height: 500px;
            transition: max-height 0.4s ease-in;
        }

        .drawer-inner {
            padding: 12px 0;
        }

        .bg-options-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 6px;
        }

        .bg-option-card {
            aspect-ratio: 1;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 9px;
            color: var(--text-secondary);
            position: relative;
            overflow: hidden;
        }

        .bg-option-card:hover {
            border-color: var(--accent-color);
            transform: scale(1.03);
        }

        .bg-option-card i {
            font-size: 18px;
            z-index: 2;
        }

        .bg-option-card span {
            z-index: 2;
            font-weight: 600;
        }

        .bg-transparent {
            background: repeating-conic-gradient(#cccccc 0% 25%, transparent 0% 50%) 50% / 12px 12px;
        }

        .bg-color-picker {
            background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><defs><linearGradient id="a" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23ff0000"/><stop offset="14%" stop-color="%23ff7f00"/><stop offset="28%" stop-color="%23ffff00"/><stop offset="42%" stop-color="%2300ff00"/><stop offset="57%" stop-color="%230000ff"/><stop offset="71%" stop-color="%234b0082"/><stop offset="85%" stop-color="%239400d3"/><stop offset="100%" stop-color="%23ff0000"/></linearGradient></defs><rect width="100" height="100" fill="url(%23a)"/></svg>');
            background-size: cover;
        }

        .bg-option-card .pickr {
            position: absolute;
            inset: 0;
            opacity: 0;
            pointer-events: all;
        }

        .full-width-btn {
            width: 100%;
            padding: 8px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-primary);
            font-size: 11px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .full-width-btn:hover {
            background: var(--accent-color);
            color: #ffffff;
        }

        .property-row-double {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
            margin-bottom: 10px;
        }

        .property-label {
            font-size: 11px;
            color: var(--text-secondary);
            margin-bottom: 4px;
            display: block;
            font-weight: 600;
        }

        .property-select {
            width: 100%;
            padding: 6px 8px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-primary);
            font-size: 12px;
        }

        .property-row {
            margin-bottom: 10px;
        }

        .pickr .pcr-button {
            width: 100%;
            height: 36px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }
        
        #iconColorPicker .pcr-button {
            width: 100%;
            height: 40px;
        }

        .empty-state {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: var(--text-secondary);
            pointer-events: none;
            z-index: 1;
        }

        .empty-state-icon {
            font-size: 64px;
            margin-bottom: 20px;
            opacity: 0.4;
        }

        .empty-state h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .empty-state p {
            font-size: 14px;
            line-height: 1.8;
        }

        .footer {
            height: 100px;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .toast {
            position: fixed;
            bottom: 60px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-secondary);
            color: var(--text-primary);
            padding: 14px 24px;
            border-radius: 10px;
            font-size: 14px;
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 10000;
            pointer-events: none;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 24px var(--shadow);
        }

        .toast.show {
            opacity: 1;
        }

        .share-modal {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 10000;
        }

        .share-modal.show {
            display: flex;
        }

        .share-content {
            background: var(--bg-primary);
            padding: 32px;
            border-radius: 16px;
            max-width: 420px;
            width: 90%;
            box-shadow: 0 16px 48px var(--shadow);
        }

        .share-content h3 {
            margin-bottom: 24px;
            font-size: 20px;
        }

        .share-content button {
            width: 100%;
            padding: 14px;
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            background: var(--bg-secondary);
            color: var(--text-primary);
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .share-content button:hover {
            background: var(--accent-color);
            color: #ffffff;
        }

        .lang-selector {
            position: relative;
        }

        .lang-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px;
            display: none;
            min-width: 160px;
            box-shadow: 0 8px 24px var(--shadow);
            z-index: 1000;
        }

        .lang-selector.active .lang-dropdown {
            display: block;
        }

        .lang-option {
            padding: 10px 14px;
            cursor: pointer;
            border-radius: 6px;
            font-size: 13px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .lang-option:hover {
            background: var(--bg-tertiary);
        }

        .lang-option.active {
            background: var(--accent-color);
            color: #ffffff;
        }

        #fileInput, #bgInput {
            display: none;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 85%;
            max-width: 360px;
            height: 100vh;
            background: var(--bg-primary);
            box-shadow: -4px 0 24px var(--shadow);
            z-index: 500;
            transition: right 0.3s;
            overflow-y: auto;
            display: none;
        }

        .mobile-menu.show {
            right: 0;
        }

        .mobile-menu-header {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .mobile-menu-close {
            width: 36px;
            height: 36px;
            border: none;
            background: transparent;
            color: var(--text-secondary);
            font-size: 20px;
            cursor: pointer;
        }

        .mobile-menu-section {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-menu-title {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-weight: 600;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 499;
            display: none;
        }

        .mobile-overlay.show {
            display: block;
        }

        .hamburger-btn {
            display: none;
        }

        .mobile-settings-row {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .top-toolbar {
                height: 56px;
                padding: 0 12px;
            }

            .logo {
                font-size: 18px;
            }

            .logo i {
                font-size: 18px;
            }

            .toolbar-right {
                gap: 8px;
                flex: 1;
                justify-content: flex-end;
            }

            .toolbar-right .toolbar-btn {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .toolbar-right .toolbar-btn[onclick*="shareImage"],
            .toolbar-right .toolbar-btn[onclick*="saveImage"] {
                display: none;
            }

            .toolbar-divider {
                display: none;
            }

            .hamburger-btn {
                display: flex;
                width: 40px;
                height: 40px;
                border: none;
                background: transparent;
                color: var(--text-primary);
                font-size: 24px;
                cursor: pointer;
                align-items: center;
                justify-content: center;
            }

            .right-panel {
                display: none;
            }

            .mobile-menu {
                display: block;
            }

            .footer {
                height: 60px;
                font-size: 10px;
            }

            .sidebar-fab {
                top: 64px;
                left: 8px;
                width: 44px;
                height: 44px;
                font-size: 18px;
            }

            .mobile-toolbar-popup {
                top: 116px;
                left: 8px;
                bottom: 70px;
                max-height: calc(100vh - 186px);
            }

            .zoom-floating {
                right: 12px;
                bottom: 90px;
                padding: 5px;
            }

            .zoom-floating .toolbar-btn {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .zoom-text {
                font-size: 10px;
                padding: 2px 0;
            }

            .sidebar {
                display: none;
            }

            .sidebar-toggle {
                display: none;
            }

            .sidebar-fab {
                display: flex;
            }
        }


/* 裁剪工具样式 */
.crop-actions {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 1000;
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
}

.crop-action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.crop-action-btn.confirm {
    background: #0066cc;
    color: white;
}

.crop-action-btn.confirm:hover {
    background: #0052a3;
}

.crop-action-btn.cancel {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.crop-action-btn.cancel:hover {
    background: var(--border-color);
}

@media (max-width: 768px) {
    .crop-actions {
        bottom: 80px;
    }
    
    .crop-action-btn {
        padding: 12px 24px;
        font-size: 16px;
    }
}


/* 形状工具样式 */
.shape-options-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.shape-option-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.shape-option-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.shape-option-card i {
    font-size: 20px;
    color: var(--accent-color);
}

.shape-option-card span {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-primary);
}


/* 文本对齐按钮样式 */
.align-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
}

.align-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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


/* 现代化设置面板样式 */
.settings-group {
    margin-bottom: 20px;
}

.settings-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    display: block;
}

.control-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    align-items: stretch;
}

.control-select {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
}

.control-select:hover {
    border-color: var(--accent-color);
}

.control-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.control-input {
    width: 70px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s;
}

.control-input:hover {
    border-color: var(--accent-color);
}

.control-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.icon-btn-group {
    display: flex;
    gap: 6px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: 10px;
    border: 2px solid var(--border-color);
}

.icon-btn {
    flex: 1;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
}

.icon-btn:hover {
    background: var(--bg-primary);
    color: var(--accent-color);
    transform: translateY(-1px);
}

.icon-btn:active {
    transform: translateY(0);
}

.slider-control {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    transition: all 0.2s;
}

.slider-control:hover {
    border-color: var(--accent-color);
}

.slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.slider-icon {
    font-size: 14px;
    color: var(--text-secondary);
}

.slider-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-color);
}

.slider-control input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
}

.slider-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: all 0.2s;
}

.slider-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 8px rgba(0,0,0,0.3);
}

.slider-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: all 0.2s;
}

.slider-control input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 8px rgba(0,0,0,0.3);
}


/* 操作卡片样式 - 更大气的设计 */
.action-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.action-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    width: 100%;
}

.action-card:hover {
    background: var(--bg-primary);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow);
}

.action-card:active {
    transform: translateY(0);
}

.action-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), #764ba2);
    border-radius: 12px;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.action-card-content {
    flex: 1;
}

.action-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.action-card-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

@media (min-width: 769px) {
    .action-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .action-card {
        padding: 14px;
    }
    
    .action-card-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .action-card-title {
        font-size: 15px;
    }
    
    .action-card-desc {
        font-size: 11px;
    }
}


/* 图标分类按钮样式 */
.icon-category-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.icon-category-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.icon-category-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* 图标网格项样式 */
.icon-grid-item {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 24px;
    color: var(--text-primary);
}

.icon-grid-item:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.icon-grid-item svg {
    width: 24px;
    height: 24px;
}


/* 背景颜色按钮样式 */
.bg-color-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1, #f7b731, #5f27cd) !important;
    background-size: 200% 200% !important;
    animation: gradientShift 3s ease infinite;
}

.bg-color-btn .pickr {
    position: absolute;
    inset: 0;
    opacity: 0;
}

.bg-color-btn .pickr .pcr-button {
    width: 100%;
    height: 100%;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 移动端背景颜色卡片 */
.bg-color-card {
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1, #f7b731, #5f27cd) !important;
    background-size: 200% 200% !important;
    animation: gradientShift 3s ease infinite;
    position: relative;
}

.bg-color-card .pickr {
    position: absolute;
    inset: 0;
    opacity: 0;
}


/* 漫画对话框样式 - 收藏提示（参考截图样式） */
.comic-bubble {
    position: fixed;
    top: 100px;
    left: 100px;
    z-index: 1000;
    max-width: 320px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    background: #ffffff;
    border: 4px solid #1a1a1a;
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: 
        6px 6px 0 rgba(0, 0, 0, 0.15),
        inset -4px 0 0 rgba(0, 0, 0, 0.05);
}

.comic-bubble.show {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

/* 箭头在右下角，斜向下 */
.comic-bubble::after {
    content: '';
    position: absolute;
    bottom: -25px;
    right: 40px;
    width: 30px;
    height: 25px;
    background: #ffffff;
    border: 4px solid #1a1a1a;
    border-top: none;
    border-left: none;
    transform: skewX(-20deg);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .comic-bubble {
    background: #2a2a2a;
    border-color: #ffffff;
}

[data-theme="dark"] .comic-bubble::after {
    background: #2a2a2a;
    border-color: #ffffff;
}

.comic-bubble-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #666;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
    font-size: 14px;
}

.comic-bubble-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

[data-theme="dark"] .comic-bubble-close {
    color: #aaa;
}

[data-theme="dark"] .comic-bubble-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.comic-bubble-text {
    font-size: 15px;
    line-height: 1.5;
    color: #1a1a1a;
    margin: 0;
    padding-right: 20px;
    font-weight: 500;
}

[data-theme="dark"] .comic-bubble-text {
    color: #ffffff;
}

@media (max-width: 768px) {
    .comic-bubble {
        top: 80px;
        left: 20px;
        right: 20px;
        max-width: none;
    }
    
    .comic-bubble::after {
        right: 30px;
    }
    
    .comic-bubble-text {
        font-size: 14px;
    }
}


/* 设置模态对话框 */
.settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.settings-modal.show {
    opacity: 1;
    pointer-events: all;
}

.settings-modal-content {
    background: var(--bg-primary);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    min-height: 200px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.25s ease-out, opacity 0.25s ease-out;
    will-change: transform, opacity;
}

.settings-modal.show .settings-modal-content {
    transform: translateY(0);
    opacity: 1;
}

.settings-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
    font-size: 16px;
}

.settings-modal-close:hover {
    background: var(--accent-color);
    color: white;
    transform: rotate(90deg);
}

.settings-modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(80vh - 48px);
}

.settings-modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-right: 40px;
}

/* 模态框中的颜色选择器容器 - 防止初始化跳动 */
#shapeColorPickerModal,
#drawColorPickerModal,
#textColorPickerModal,
#bgColorPickerModal {
    min-height: 42px;
    display: flex;
    align-items: center;
}

#shapeColorPickerModal .pickr .pcr-button,
#drawColorPickerModal .pickr .pcr-button,
#textColorPickerModal .pickr .pcr-button {
    width: 100%;
    height: 40px;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .settings-modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .settings-modal-body {
        padding: 20px;
        max-height: calc(90vh - 40px);
    }
    
    .settings-modal-title {
        font-size: 20px;
        margin-bottom: 20px;
    }
}


/* Comic Bubble - Bookmark Tip */
.comic-bubble {
    position: fixed;
    bottom: 120px;
    right: 20px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-color);
    border-radius: 16px;
    padding: 16px 20px;
    max-width: 280px;
    box-shadow: 0 8px 32px var(--shadow);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s ease;
}

.comic-bubble.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Speech bubble tail */
.comic-bubble::before {
    content: '';
    position: absolute;
    bottom: -12px;
    right: 30px;
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 12px solid var(--accent-color);
}

.comic-bubble::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 32px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--bg-primary);
}

.comic-bubble-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s;
}

.comic-bubble-close:hover {
    background: var(--accent-color);
    color: white;
}

.comic-bubble-text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    margin: 0;
    padding-right: 20px;
}

@media (max-width: 768px) {
    .comic-bubble {
        bottom: 100px;
        right: 12px;
        left: 12px;
        max-width: none;
    }
    
    .comic-bubble::before,
    .comic-bubble::after {
        right: auto;
        left: 30px;
    }
    
    .comic-bubble::after {
        left: 32px;
    }
}


/* Anime-style Bookmark Bubble */
.bookmark-bubble {
    position: fixed;
    top: 70px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 20px 24px;
    max-width: 280px;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4), 0 0 0 3px rgba(255, 255, 255, 0.1);
    z-index: 10002;
    animation: bubbleFadeIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: top right;
}

@keyframes bubbleFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    60% {
        transform: scale(1.05) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.bookmark-bubble::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(8px);
}

.bubble-tail {
    position: absolute;
    top: -8px;
    right: 40px;
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 12px solid #667eea;
    filter: drop-shadow(0 -2px 4px rgba(0, 0, 0, 0.1));
}

.bubble-tail::after {
    content: '';
    position: absolute;
    top: 2px;
    left: -10px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #667eea;
}

.bubble-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 1;
}

.bubble-close:hover,
.bubble-close:focus {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) scale(1.1);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.bubble-close:active {
    transform: rotate(90deg) scale(0.95);
}

.bubble-content {
    color: white;
    text-align: center;
    padding-right: 20px;
}

.bubble-icon {
    font-size: 32px;
    margin-bottom: 8px;
    animation: bubbleFloat 2s ease-in-out infinite;
}

@keyframes bubbleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.bubble-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.bubble-text {
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
    opacity: 0.95;
}

/* 移动端隐藏 */
@media (max-width: 768px) {
    .bookmark-bubble {
        display: none !important;
    }
}

/* 暗色主题适配 */
:root[data-theme="dark"] .bookmark-bubble {
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.6), 0 0 0 3px rgba(255, 255, 255, 0.15);
}

/* 键盘焦点样式 */
.bookmark-bubble:focus-within {
    outline: 3px solid rgba(255, 255, 255, 0.5);
    outline-offset: 4px;
}