.ico-maker {
    --ico-bg: var(--body-bg-color);
    --ico-card-bg: var(--main-bg-color);
    --ico-text: var(--key-color);
    --ico-text-secondary: var(--muted-color);
    --ico-text-tertiary: var(--muted-2-color);
    --ico-accent: var(--focus-color);
    --ico-accent-rgb: var(--focus-color-rgb, 240, 68, 148);
    --ico-radius: var(--main-radius);
    --ico-border: var(--main-border-color);
    --ico-shadow: var(--main-shadow);
    position: relative;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 20px 16px;
    box-sizing: border-box;
    color: var(--ico-text);
}

.ico-header {
    text-align: center;
    margin-bottom: 24px;
}

.ico-header .ico-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--ico-radius);
    background: linear-gradient(135deg, var(--ico-accent), color-mix(in srgb, var(--ico-accent) 70%, #fff));
    margin-bottom: 12px;
    font-size: 24px;
    box-shadow: 0 8px 30px rgba(var(--ico-accent-rgb), 0.3);
    animation: icoIconPulse 3s ease-in-out infinite;
    color: #fff;
}

@keyframes icoIconPulse {
    0%, 100% { box-shadow: 0 8px 30px rgba(var(--ico-accent-rgb), 0.3); }
    50% { box-shadow: 0 12px 42px rgba(var(--ico-accent-rgb), 0.5); }
}

.ico-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--ico-accent), color-mix(in srgb, var(--ico-accent) 70%, #fff));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.ico-header .ico-subtitle {
    font-size: 0.9rem;
    color: var(--ico-text-tertiary);
}

.ico-card {
    background: var(--ico-card-bg);
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 24px 22px 20px;
    box-shadow: 0 0 10px var(--ico-shadow);
    box-sizing: border-box;
    margin-bottom: 18px;
}

.ico-upload-area {
    border: 2px dashed var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
    background: var(--ico-bg);
    margin-bottom: 20px;
}

.ico-upload-area:hover,
.ico-upload-area.dragover {
    border-color: var(--ico-accent);
    background: rgba(var(--ico-accent-rgb), 0.05);
}

.ico-upload-area .upload-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.ico-upload-area .upload-text {
    font-weight: 600;
    color: var(--ico-text-secondary);
    margin-bottom: 4px;
}

.ico-upload-area .upload-hint {
    font-size: 0.85rem;
    color: var(--ico-text-tertiary);
}

.ico-upload-area input[type="file"] {
    display: none;
}

.ico-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.ico-col {
    flex: 1;
    min-width: 220px;
}

.ico-col label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ico-text-secondary);
    font-size: 14px;
}

.ico-size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.ico-size-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--ico-border);
    background: transparent;
    color: var(--ico-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.ico-size-btn.active {
    background: var(--ico-accent);
    color: #fff;
    border-color: var(--ico-accent);
}

.ico-size-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ico-size-input input {
    width: 80px;
    padding: 8px 12px;
    border-radius: var(--ico-radius);
    border: 1px solid var(--ico-border);
    background: var(--ico-bg);
    color: var(--ico-text);
    font-size: 14px;
    text-align: center;
}

.ico-size-input span {
    color: var(--ico-text-tertiary);
    font-size: 13px;
}

.ico-preview-box {
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAHklEQVQ4T2NkYPj/n4EBDIyMjCxgdQYqG2gYGAAAAAD8AAD9PwX9AAAAAElFTkSuQmCC') repeat;
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    margin-bottom: 16px;
}

.ico-preview-box canvas {
    image-rendering: auto;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    border-radius: 4px;
}

.ico-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.ico-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: var(--ico-radius);
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--ico-accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--ico-accent-rgb), 0.25);
    white-space: nowrap;
}

.ico-btn:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

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

.ico-btn-outline {
    background: transparent;
    border: 1px solid var(--ico-border);
    color: var(--ico-text-secondary);
    box-shadow: none;
}

.ico-btn-outline:hover {
    background: rgba(var(--ico-accent-rgb), 0.05);
    border-color: var(--ico-accent);
    color: var(--ico-accent);
}

.ico-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.ico-info {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--ico-text-tertiary);
    text-align: center;
}

.ico-footer-guide {
    background: var(--ico-card-bg);
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 24px 22px;
    box-shadow: 0 0 10px var(--ico-shadow);
    margin-bottom: 18px;
}

.ico-footer-guide h3 {
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--ico-text);
}

.ico-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    counter-reset: step;
}

.ico-step {
    position: relative;
    padding-left: 32px;
    color: var(--ico-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.ico-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 2px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--ico-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ico-intro {
    margin-top: 20px;
    padding: 16px;
    background: var(--ico-bg);
    border-radius: var(--ico-radius);
    color: var(--ico-text-tertiary);
    font-size: 0.92rem;
    line-height: 1.7;
}