:root {
    --ir-primary: #763de6;
    --ir-primary-hover: #5e27ce;
    --ir-bg: #f8fafc;
    --ir-surface: #ffffff;
    --ir-border: #e2e8f0;
    --ir-text: #1e293b;
    --ir-muted: #64748b;
}

.ir-app-container {
    width: 100%;
    min-height: 85vh;
    padding: 30px 15px;
    background: var(--ir-bg);
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.ir-tool-card {
    max-width: 960px;
    margin: 0 auto;
    background: var(--ir-surface);
    border: 1px solid var(--ir-border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.ir-idle-card {
    max-width: 460px;
    margin: 80px auto;
    text-align: center;
    background: #fff;
    border: 1px solid var(--ir-border);
    border-radius: 16px;
    padding: 40px 20px;
}

.ir-idle-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #faf8ff;
    color: var(--ir-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 24px;
}

.ir-btn-primary {
    background: var(--ir-primary);
    color: #ffffff;
    border: none;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.ir-btn-primary:hover {
    background: var(--ir-primary-hover);
}